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Asbestos Exposure & Risk of Developing Asbestos Related - 14 Jan 2018 19:34

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Asbestos is a naturally occurring rock forming mineral silicate in fibrous form belonging to the serpentine and amphibole groups. It occurs naturally in large deposits on every continent in the world. There are six types of naturally occurring asbestos fibres of which only three have been used commercially in Australia. These included the serpentine: Chrysotile (white asbestos); and the amphiboles: Crocidolite (blue asbestos) and Amosite (brown or grey asbestos). The other three non-commercially used amphiboles included Tremolite, Actinolite and Anthophyllite.

Asbestos has been used in the ancient world of the Egyptians, Greeks and Romans. It is believed that as early as 4000 BC, asbestos fibres were used for wicks in lamps and candles. Between 2000-3000 BC, embalmed bodies of Egyptian pharaohs were wrapped in asbestos cloth. The Greeks and Romans documented the harmful effects of asbestos fibres on those who mined the silken material from ancient stone quarries noting a “sickness of the lungs” in slaves who wove asbestos into cloth.

The commercial use of asbestos commenced in the late 1800s in Australia in four main industries including Mining and Milling; Building & Construction (for strengthening cement and plastics, for insulation, fireproofing and sound absorption); Ship Building (eg. insulation of boilers and steampipes) and the Automotive Industry (eg. vehicle brake shoes, gaskets and clutch pads).

There were over 3000 products (Asbestos Containing Materials or ACM) manufactured with asbestos fibres. The ACM fall into two broad categories: friable and non-friable (or bonded).

‘Friable’ is ACM that can be easily reduced to powder when crushed by hand, when dry. These materials can contain higher percentages of asbestos fibres and are easily or more likely to release airborne fibres into the environment with minimal disturbance. As such, they pose a greater risk to health. Friable materials must only be handled and removed by an asbestos removalist with Class A Asbestos Removal Licence. Examples of friable asbestos-containing materials include sprayed on fire retardants, insulation (eg. millboard, pipe insulation), sound proofing, the lining on some old domestic heaters, stoves and hot water systems and associated pipe lagging, the backing of sheet vinyl and linoleum floor coverings, thermal lagging, some vermiculite.

https://www.sesa.com.au/asbestos-clearance-certificate-sydney-nsw.html

‘Non-friable’, or bonded ACM is used to refer to ACM in which the asbestos is firmly bound in the matrix of the material. These materials are unlikely to release measurable levels of airborne asbestos fibre into the environment if they are undisturbed. Therefore, they generally pose a lower risk to health. However, activities that may abrade the ACM such as drilling, grinding have the potential to release higher concentrations of airborne asbestos fibres into the environment. The non-friable ACM are mainly made up of asbestos fibres together with a bonding compound (such as cement), and typically contain up to 15 per cent asbestos. Non-friable ACM are solid, quite rigid and the asbestos fibres are tightly bound in the material. Non-friable ACM are the most common in domestic houses. They are commonly called ‘fibro’, ‘asbestos cement’ and ‘AC sheeting’. Examples of non-friable ACM include asbestos cement products (flat, profiled and corrugated sheeting used in walls, ceilings and roofs, moulded items such as downpipes) and vinyl floor tiles.

While asbestos is a hazardous material it can only pose a risk to health if the asbestos fibres become airborne in respirable size, are inhaled and lodge deep into the lungs (in the alveoli). Inhalation is the main route of entry to the body. Respirable fibres are fibres that are more likely to reach the small airways and alveolar region of the lung and are defined as having a length of more than five microns, and an aspect ratio (length/width) greater than 3:1.

Asbestos is classified according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) as Carcinogenicity Category 1A (May cause cancer).

There are several asbestos related diseases that may result from the exposure to asbestos which depends on factors such as fibre type; size and shape of fibres; concentration of asbestos fibres in the inhaled air and period of time over which the person was exposed. The asbestos related diseases include:

Asbestosis

Pleural plaques

Malignant mesothelioma of the pleura and peritoneum

Lung cancer

Benign asbestos pleural effusion

Progressive pleural fibrosis (diffuse pleural thickening)

Transpulmonary bands (crow’s feet)

Rounded atelectasis

All asbestos related diseases have a latency period that is the period commencing from the time of the exposure to the asbestos fibres first occurred until symptoms of a disease show. This may range from 10 – 50 years for the asbestos related diseases.

Workplace exposures to asbestos fibres first occurred while mining asbestos, manufacturing asbestos containing products or using those products during the construction of buildings. Currently, the main source of exposure to asbestos fibres is during the maintenance, renovation or demolition of old buildings with asbestos containing materials.

Asbestos containing materials are subject to environmental weathering which causes them to breakdown and release asbestos fibres. Low levels of airborne asbestos fibres are encountered in the environment from the breakdown of asbestos products. Environmental weathering of asbestos cement sheets in roofing and wall cladding, disturbance of asbestos from a variety of building materials like insulation and asbestos release to air from clutches and brakes in cars and trucks results in asbestos fibres being dispersed in the environment.

According to Australian Government Department of Health website, we are all exposed to low levels of asbestos in the air we breathe every day. Ambient or background air usually contains between 10 and 200 asbestos fibres in every 1000 litres (or cubic metre) of air (equivalent to 0.01 to 0.20 fibres per litre of air). However, most people do not become ill from this exposure, because the levels of asbestos present in the environment are very low. Most people are also exposed to higher levels of asbestos at some time in their lives; for example, in their workplace, community or home. However, for most people, this kind of infrequent exposure is also unlikely to result in any ill effects.

Safe Work Australia states that “the typical environmental background in outdoor air is 0.0005 fibres/ml and 0.0002 fibres/ml in indoor air. The daily inhalation volume for an average adult is 22 m3 or 22000 litres. This means 5500 fibres are breathed/day by the average person (proportion of time spent indoors = 20 hours/day). Despite this the general population does not contract asbestos related disease in significant numbers. The background rate of mesothelioma is less than one per million per year. By comparison, the annual death rate for a 40 year old male in 2008 was 1.6 per thousand or 1600 per million. However, there is no absolutely safe level of exposure to asbestos fibres.

Most people who develop asbestos related diseases were workers who have worked on jobs where they frequently breathed in large amounts of asbestos fibres. As an example, construction workers using unsafe practices in the past may have frequently encountered asbestos fibre levels significantly higher than those levels found in the background. The current workplace exposure standard (time weighted average (TWA) over an eight-hour period) is 0.1 fibres/millilitre of air (100 fibres per litre which is between 500 and 10,000 times the background levels). In the past, workers in asbestos milling or mining often encountered fibre concentrations a million times higher than background levels. In 2011, 606 deaths were caused by mesothelioma and 125 deaths were caused by asbestosis in Australia.

Family members of exposed workers or those who lived close to active asbestos mines in the past are also at risk. A worker exposed to asbestos fibres or a home renovator can carry asbestos fibres on their clothing, boots, skin, hair and tools. Everyone should be alert to ensure they do not become exposed to these fibres.

A very small number of asbestos-related disease cases occur each year in people who have not worked with asbestos products. The low number of cases makes it difficult to determine the exact cause of the disease or the likely exposure event, but unsafe handling of asbestos materials in the home may have contributed to some of these cases.

The uncontrolled disturbance of asbestos containing materials must be avoided at any time to prevent the release of airborne asbestos and increase the risk of exposure to airborne asbestos fibres. The exposure to airborne asbestos fibres should be reduced to as low as reasonably practicable by managing asbestos containing materials in-situ and adopting safe work practices as required by the Work Health & Safety Regulations and Safe Work Australia Codes of Practice “How to Manage & Control Asbestos In the Workplace”: and “ How to Safely Remove Asbestos”.

If you require assistance in asbestos inspection, asbestos testing or asbestos assessment contact SESA on 02 8786 1808.

First posted here https://www.sesa.com.au/15-asbestos/asbestos-exposure-risk-of-developing-asbestos-related-disease.html - Comments: 0

Asbestos Exposure & Risk of Developing Asbestos Related - 14 Jan 2018 19:24

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Asbestos is a naturally occurring rock forming mineral silicate in fibrous form belonging to the serpentine and amphibole groups. It occurs naturally in large deposits on every continent in the world. There are six types of naturally occurring asbestos fibres of which only three have been used commercially in Australia. These included the serpentine: Chrysotile (white asbestos); and the amphiboles: Crocidolite (blue asbestos) and Amosite (brown or grey asbestos). The other three non-commercially used amphiboles included Tremolite, Actinolite and Anthophyllite.

Asbestos has been used in the ancient world of the Egyptians, Greeks and Romans. It is believed that as early as 4000 BC, asbestos fibres were used for wicks in lamps and candles. Between 2000-3000 BC, embalmed bodies of Egyptian pharaohs were wrapped in asbestos cloth. The Greeks and Romans documented the harmful effects of asbestos fibres on those who mined the silken material from ancient stone quarries noting a “sickness of the lungs” in slaves who wove asbestos into cloth.

The commercial use of asbestos commenced in the late 1800s in Australia in four main industries including Mining and Milling; Building & Construction (for strengthening cement and plastics, for insulation, fireproofing and sound absorption); Ship Building (eg. insulation of boilers and steampipes) and the Automotive Industry (eg. vehicle brake shoes, gaskets and clutch pads).

Safety & Environmental Services Australia

There were over 3000 products (Asbestos Containing Materials or ACM) manufactured with asbestos fibres. The ACM fall into two broad categories: friable and non-friable (or bonded).

‘Friable’ is ACM that can be easily reduced to powder when crushed by hand, when dry. These materials can contain higher percentages of asbestos fibres and are easily or more likely to release airborne fibres into the environment with minimal disturbance. As such, they pose a greater risk to health. Friable materials must only be handled and removed by an asbestos removalist with Class A Asbestos Removal Licence. Examples of friable asbestos-containing materials include sprayed on fire retardants, insulation (eg. millboard, pipe insulation), sound proofing, the lining on some old domestic heaters, stoves and hot water systems and associated pipe lagging, the backing of sheet vinyl and linoleum floor coverings, thermal lagging, some vermiculite.

‘Non-friable’, or bonded ACM is used to refer to ACM in which the asbestos is firmly bound in the matrix of the material. These materials are unlikely to release measurable levels of airborne asbestos fibre into the environment if they are undisturbed. Therefore, they generally pose a lower risk to health. However, activities that may abrade the ACM such as drilling, grinding have the potential to release higher concentrations of airborne asbestos fibres into the environment. The non-friable ACM are mainly made up of asbestos fibres together with a bonding compound (such as cement), and typically contain up to 15 per cent asbestos. Non-friable ACM are solid, quite rigid and the asbestos fibres are tightly bound in the material. Non-friable ACM are the most common in domestic houses. They are commonly called ‘fibro’, ‘asbestos cement’ and ‘AC sheeting’. Examples of non-friable ACM include asbestos cement products (flat, profiled and corrugated sheeting used in walls, ceilings and roofs, moulded items such as downpipes) and vinyl floor tiles.

While asbestos is a hazardous material it can only pose a risk to health if the asbestos fibres become airborne in respirable size, are inhaled and lodge deep into the lungs (in the alveoli). Inhalation is the main route of entry to the body. Respirable fibres are fibres that are more likely to reach the small airways and alveolar region of the lung and are defined as having a length of more than five microns, and an aspect ratio (length/width) greater than 3:1.

Asbestos is classified according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) as Carcinogenicity Category 1A (May cause cancer).

There are several asbestos related diseases that may result from the exposure to asbestos which depends on factors such as fibre type; size and shape of fibres; concentration of asbestos fibres in the inhaled air and period of time over which the person was exposed. The asbestos related diseases include:

Asbestosis

Pleural plaques

Malignant mesothelioma of the pleura and peritoneum

Lung cancer

Benign asbestos pleural effusion

Progressive pleural fibrosis (diffuse pleural thickening)

Transpulmonary bands (crow’s feet)

Rounded atelectasis

All asbestos related diseases have a latency period that is the period commencing from the time of the exposure to the asbestos fibres first occurred until symptoms of a disease show. This may range from 10 – 50 years for the asbestos related diseases.

Workplace exposures to asbestos fibres first occurred while mining asbestos, manufacturing asbestos containing products or using those products during the construction of buildings. Currently, the main source of exposure to asbestos fibres is during the maintenance, renovation or demolition of old buildings with asbestos containing materials.

Asbestos containing materials are subject to environmental weathering which causes them to breakdown and release asbestos fibres. Low levels of airborne asbestos fibres are encountered in the environment from the breakdown of asbestos products. Environmental weathering of asbestos cement sheets in roofing and wall cladding, disturbance of asbestos from a variety of building materials like insulation and asbestos release to air from clutches and brakes in cars and trucks results in asbestos fibres being dispersed in the environment.

According to Australian Government Department of Health website, we are all exposed to low levels of asbestos in the air we breathe every day. Ambient or background air usually contains between 10 and 200 asbestos fibres in every 1000 litres (or cubic metre) of air (equivalent to 0.01 to 0.20 fibres per litre of air). However, most people do not become ill from this exposure, because the levels of asbestos present in the environment are very low. Most people are also exposed to higher levels of asbestos at some time in their lives; for example, in their workplace, community or home. However, for most people, this kind of infrequent exposure is also unlikely to result in any ill effects.

Safe Work Australia states that “the typical environmental background in outdoor air is 0.0005 fibres/ml and 0.0002 fibres/ml in indoor air. The daily inhalation volume for an average adult is 22 m3 or 22000 litres. This means 5500 fibres are breathed/day by the average person (proportion of time spent indoors = 20 hours/day). Despite this the general population does not contract asbestos related disease in significant numbers. The background rate of mesothelioma is less than one per million per year. By comparison, the annual death rate for a 40 year old male in 2008 was 1.6 per thousand or 1600 per million. However, there is no absolutely safe level of exposure to asbestos fibres.

Most people who develop asbestos related diseases were workers who have worked on jobs where they frequently breathed in large amounts of asbestos fibres. As an example, construction workers using unsafe practices in the past may have frequently encountered asbestos fibre levels significantly higher than those levels found in the background. The current workplace exposure standard (time weighted average (TWA) over an eight-hour period) is 0.1 fibres/millilitre of air (100 fibres per litre which is between 500 and 10,000 times the background levels). In the past, workers in asbestos milling or mining often encountered fibre concentrations a million times higher than background levels. In 2011, 606 deaths were caused by mesothelioma and 125 deaths were caused by asbestosis in Australia.

Family members of exposed workers or those who lived close to active asbestos mines in the past are also at risk. A worker exposed to asbestos fibres or a home renovator can carry asbestos fibres on their clothing, boots, skin, hair and tools. Everyone should be alert to ensure they do not become exposed to these fibres.

A very small number of asbestos-related disease cases occur each year in people who have not worked with asbestos products. The low number of cases makes it difficult to determine the exact cause of the disease or the likely exposure event, but unsafe handling of asbestos materials in the home may have contributed to some of these cases.

The uncontrolled disturbance of asbestos containing materials must be avoided at any time to prevent the release of airborne asbestos and increase the risk of exposure to airborne asbestos fibres. The exposure to airborne asbestos fibres should be reduced to as low as reasonably practicable by managing asbestos containing materials in-situ and adopting safe work practices as required by the Work Health & Safety Regulations and Safe Work Australia Codes of Practice “How to Manage & Control Asbestos In the Workplace”: and “ How to Safely Remove Asbestos”.

If you require assistance in asbestos inspection, asbestos testing or asbestos assessment contact SESA on 02 8786 1808.

First posted here https://www.sesa.com.au/15-asbestos/asbestos-exposure-risk-of-developing-asbestos-related-disease.html - Comments: 0

Asbestos Exposure & Risk of Developing Asbestos Related - 14 Jan 2018 15:34

Tags:

Asbestos is a naturally occurring rock forming mineral silicate in fibrous form belonging to the serpentine and amphibole groups. It occurs naturally in large deposits on every continent in the world. There are six types of naturally occurring asbestos fibres of which only three have been used commercially in Australia. These included the serpentine: Chrysotile (white asbestos); and the amphiboles: Crocidolite (blue asbestos) and Amosite (brown or grey asbestos). The other three non-commercially used amphiboles included Tremolite, Actinolite and Anthophyllite.

Asbestos has been used in the ancient world of the Egyptians, Greeks and Romans. It is believed that as early as 4000 BC, asbestos fibres were used for wicks in lamps and candles. Between 2000-3000 BC, embalmed bodies of Egyptian pharaohs were wrapped in asbestos cloth. The Greeks and Romans documented the harmful effects of asbestos fibres on those who mined the silken material from ancient stone quarries noting a “sickness of the lungs” in slaves who wove asbestos into cloth.

The commercial use of asbestos commenced in the late 1800s in Australia in four main industries including Mining and Milling; Building & Construction (for strengthening cement and plastics, for insulation, fireproofing and sound absorption); Ship Building (eg. insulation of boilers and steampipes) and the Automotive Industry (eg. vehicle brake shoes, gaskets and clutch pads).

There were over 3000 products (Asbestos Containing Materials or ACM) manufactured with asbestos fibres. The ACM fall into two broad categories: friable and non-friable (or bonded).

‘Friable’ is ACM that can be easily reduced to powder when crushed by hand, when dry. These materials can contain higher percentages of asbestos fibres and are easily or more likely to release airborne fibres into the environment with minimal disturbance. As such, they pose a greater risk to health. Friable materials must only be handled and removed by an asbestos removalist with Class A Asbestos Removal Licence. Examples of friable asbestos-containing materials include sprayed on fire retardants, insulation (eg. millboard, pipe insulation), sound proofing, the lining on some old domestic heaters, stoves and hot water systems and associated pipe lagging, the backing of sheet vinyl and linoleum floor coverings, thermal lagging, some vermiculite.

‘Non-friable’, or bonded ACM is used to refer to ACM in which the asbestos is firmly bound in the matrix of the material. These materials are unlikely to release measurable levels of airborne asbestos fibre into the environment if they are undisturbed. Therefore, they generally pose a lower risk to health. However, activities that may abrade the ACM such as drilling, grinding have the potential to release higher concentrations of airborne asbestos fibres into the environment. The non-friable ACM are mainly made up of asbestos fibres together with a bonding compound (such as cement), and typically contain up to 15 per cent asbestos. Non-friable ACM are solid, quite rigid and the asbestos fibres are tightly bound in the material. Non-friable ACM are the most common in domestic houses. They are commonly called ‘fibro’, ‘asbestos cement’ and ‘AC sheeting’. Examples of non-friable ACM include asbestos cement products (flat, profiled and corrugated sheeting used in walls, ceilings and roofs, moulded items such as downpipes) and vinyl floor tiles.

While asbestos is a hazardous material it can only pose a risk to health if the asbestos fibres become airborne in respirable size, are inhaled and lodge deep into the lungs (in the alveoli). Inhalation is the main route of entry to the body. Respirable fibres are fibres that are more likely to reach the small airways and alveolar region of the lung and are defined as having a length of more than five microns, and an aspect ratio (length/width) greater than 3:1.

Asbestos is classified according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) as Carcinogenicity Category 1A (May cause cancer).

There are several asbestos related diseases that may result from the exposure to asbestos which depends on factors such as fibre type; size and shape of fibres; concentration of asbestos fibres in the inhaled air and period of time over which the person was exposed. The asbestos related diseases include:

Asbestosis

Pleural plaques

Malignant mesothelioma of the pleura and peritoneum

Lung cancer

Benign asbestos pleural effusion

Progressive pleural fibrosis (diffuse pleural thickening)

Transpulmonary bands (crow’s feet)

Rounded atelectasis

All asbestos related diseases have a latency period that is the period commencing from the time of the exposure to the asbestos fibres first occurred until symptoms of a disease show. This may range from 10 – 50 years for the asbestos related diseases.

Workplace exposures to asbestos fibres first occurred while mining asbestos, manufacturing asbestos containing products or using those products during the construction of buildings. Currently, the main source of exposure to asbestos fibres is during the maintenance, renovation or demolition of old buildings with asbestos containing materials.

Asbestos containing materials are subject to environmental weathering which causes them to breakdown and release asbestos fibres. Low levels of airborne asbestos fibres are encountered in the environment from the breakdown of asbestos products. Environmental weathering of asbestos cement sheets in roofing and wall cladding, disturbance of asbestos from a variety of building materials like insulation and asbestos release to air from clutches and brakes in cars and trucks results in asbestos fibres being dispersed in the environment.

Asbestos Assessor

According to Australian Government Department of Health website, we are all exposed to low levels of asbestos in the air we breathe every day. Ambient or background air usually contains between 10 and 200 asbestos fibres in every 1000 litres (or cubic metre) of air (equivalent to 0.01 to 0.20 fibres per litre of air). However, most people do not become ill from this exposure, because the levels of asbestos present in the environment are very low. Most people are also exposed to higher levels of asbestos at some time in their lives; for example, in their workplace, community or home. However, for most people, this kind of infrequent exposure is also unlikely to result in any ill effects.

Safe Work Australia states that “the typical environmental background in outdoor air is 0.0005 fibres/ml and 0.0002 fibres/ml in indoor air. The daily inhalation volume for an average adult is 22 m3 or 22000 litres. This means 5500 fibres are breathed/day by the average person (proportion of time spent indoors = 20 hours/day). Despite this the general population does not contract asbestos related disease in significant numbers. The background rate of mesothelioma is less than one per million per year. By comparison, the annual death rate for a 40 year old male in 2008 was 1.6 per thousand or 1600 per million. However, there is no absolutely safe level of exposure to asbestos fibres.

Most people who develop asbestos related diseases were workers who have worked on jobs where they frequently breathed in large amounts of asbestos fibres. As an example, construction workers using unsafe practices in the past may have frequently encountered asbestos fibre levels significantly higher than those levels found in the background. The current workplace exposure standard (time weighted average (TWA) over an eight-hour period) is 0.1 fibres/millilitre of air (100 fibres per litre which is between 500 and 10,000 times the background levels). In the past, workers in asbestos milling or mining often encountered fibre concentrations a million times higher than background levels. In 2011, 606 deaths were caused by mesothelioma and 125 deaths were caused by asbestosis in Australia.

Family members of exposed workers or those who lived close to active asbestos mines in the past are also at risk. A worker exposed to asbestos fibres or a home renovator can carry asbestos fibres on their clothing, boots, skin, hair and tools. Everyone should be alert to ensure they do not become exposed to these fibres.

A very small number of asbestos-related disease cases occur each year in people who have not worked with asbestos products. The low number of cases makes it difficult to determine the exact cause of the disease or the likely exposure event, but unsafe handling of asbestos materials in the home may have contributed to some of these cases.

The uncontrolled disturbance of asbestos containing materials must be avoided at any time to prevent the release of airborne asbestos and increase the risk of exposure to airborne asbestos fibres. The exposure to airborne asbestos fibres should be reduced to as low as reasonably practicable by managing asbestos containing materials in-situ and adopting safe work practices as required by the Work Health & Safety Regulations and Safe Work Australia Codes of Practice “How to Manage & Control Asbestos In the Workplace”: and “ How to Safely Remove Asbestos”.

If you require assistance in asbestos inspection, asbestos testing or asbestos assessment contact SESA on 02 8786 1808.

First posted here https://www.sesa.com.au/15-asbestos/asbestos-exposure-risk-of-developing-asbestos-related-disease.html - Comments: 0

Asbestos Exposure & Risk of Developing Asbestos Related - 14 Jan 2018 14:21

Tags:

Asbestos is a naturally occurring rock forming mineral silicate in fibrous form belonging to the serpentine and amphibole groups. It occurs naturally in large deposits on every continent in the world. There are six types of naturally occurring asbestos fibres of which only three have been used commercially in Australia. These included the serpentine: Chrysotile (white asbestos); and the amphiboles: Crocidolite (blue asbestos) and Amosite (brown or grey asbestos). The other three non-commercially used amphiboles included Tremolite, Actinolite and Anthophyllite.

Asbestos has been used in the ancient world of the Egyptians, Greeks and Romans. It is believed that as early as 4000 BC, asbestos fibres were used for wicks in lamps and candles. Between 2000-3000 BC, embalmed bodies of Egyptian pharaohs were wrapped in asbestos cloth. The Greeks and Romans documented the harmful effects of asbestos fibres on those who mined the silken material from ancient stone quarries noting a “sickness of the lungs” in slaves who wove asbestos into cloth.

The commercial use of asbestos commenced in the late 1800s in Australia in four main industries including Mining and Milling; Building & Construction (for strengthening cement and plastics, for insulation, fireproofing and sound absorption); Ship Building (eg. insulation of boilers and steampipes) and the Automotive Industry (eg. vehicle brake shoes, gaskets and clutch pads).

There were over 3000 products (Asbestos Containing Materials or ACM) manufactured with asbestos fibres. The ACM fall into two broad categories: friable and non-friable (or bonded).

Occupational Hygienist ACT

‘Friable’ is ACM that can be easily reduced to powder when crushed by hand, when dry. These materials can contain higher percentages of asbestos fibres and are easily or more likely to release airborne fibres into the environment with minimal disturbance. As such, they pose a greater risk to health. Friable materials must only be handled and removed by an asbestos removalist with Class A Asbestos Removal Licence. Examples of friable asbestos-containing materials include sprayed on fire retardants, insulation (eg. millboard, pipe insulation), sound proofing, the lining on some old domestic heaters, stoves and hot water systems and associated pipe lagging, the backing of sheet vinyl and linoleum floor coverings, thermal lagging, some vermiculite.

‘Non-friable’, or bonded ACM is used to refer to ACM in which the asbestos is firmly bound in the matrix of the material. These materials are unlikely to release measurable levels of airborne asbestos fibre into the environment if they are undisturbed. Therefore, they generally pose a lower risk to health. However, activities that may abrade the ACM such as drilling, grinding have the potential to release higher concentrations of airborne asbestos fibres into the environment. The non-friable ACM are mainly made up of asbestos fibres together with a bonding compound (such as cement), and typically contain up to 15 per cent asbestos. Non-friable ACM are solid, quite rigid and the asbestos fibres are tightly bound in the material. Non-friable ACM are the most common in domestic houses. They are commonly called ‘fibro’, ‘asbestos cement’ and ‘AC sheeting’. Examples of non-friable ACM include asbestos cement products (flat, profiled and corrugated sheeting used in walls, ceilings and roofs, moulded items such as downpipes) and vinyl floor tiles.

While asbestos is a hazardous material it can only pose a risk to health if the asbestos fibres become airborne in respirable size, are inhaled and lodge deep into the lungs (in the alveoli). Inhalation is the main route of entry to the body. Respirable fibres are fibres that are more likely to reach the small airways and alveolar region of the lung and are defined as having a length of more than five microns, and an aspect ratio (length/width) greater than 3:1.

Asbestos is classified according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) as Carcinogenicity Category 1A (May cause cancer).

There are several asbestos related diseases that may result from the exposure to asbestos which depends on factors such as fibre type; size and shape of fibres; concentration of asbestos fibres in the inhaled air and period of time over which the person was exposed. The asbestos related diseases include:

Asbestosis

Pleural plaques

Malignant mesothelioma of the pleura and peritoneum

Lung cancer

Benign asbestos pleural effusion

Progressive pleural fibrosis (diffuse pleural thickening)

Transpulmonary bands (crow’s feet)

Rounded atelectasis

All asbestos related diseases have a latency period that is the period commencing from the time of the exposure to the asbestos fibres first occurred until symptoms of a disease show. This may range from 10 – 50 years for the asbestos related diseases.

Workplace exposures to asbestos fibres first occurred while mining asbestos, manufacturing asbestos containing products or using those products during the construction of buildings. Currently, the main source of exposure to asbestos fibres is during the maintenance, renovation or demolition of old buildings with asbestos containing materials.

Asbestos containing materials are subject to environmental weathering which causes them to breakdown and release asbestos fibres. Low levels of airborne asbestos fibres are encountered in the environment from the breakdown of asbestos products. Environmental weathering of asbestos cement sheets in roofing and wall cladding, disturbance of asbestos from a variety of building materials like insulation and asbestos release to air from clutches and brakes in cars and trucks results in asbestos fibres being dispersed in the environment.

According to Australian Government Department of Health website, we are all exposed to low levels of asbestos in the air we breathe every day. Ambient or background air usually contains between 10 and 200 asbestos fibres in every 1000 litres (or cubic metre) of air (equivalent to 0.01 to 0.20 fibres per litre of air). However, most people do not become ill from this exposure, because the levels of asbestos present in the environment are very low. Most people are also exposed to higher levels of asbestos at some time in their lives; for example, in their workplace, community or home. However, for most people, this kind of infrequent exposure is also unlikely to result in any ill effects.

Safe Work Australia states that “the typical environmental background in outdoor air is 0.0005 fibres/ml and 0.0002 fibres/ml in indoor air. The daily inhalation volume for an average adult is 22 m3 or 22000 litres. This means 5500 fibres are breathed/day by the average person (proportion of time spent indoors = 20 hours/day). Despite this the general population does not contract asbestos related disease in significant numbers. The background rate of mesothelioma is less than one per million per year. By comparison, the annual death rate for a 40 year old male in 2008 was 1.6 per thousand or 1600 per million. However, there is no absolutely safe level of exposure to asbestos fibres.

Most people who develop asbestos related diseases were workers who have worked on jobs where they frequently breathed in large amounts of asbestos fibres. As an example, construction workers using unsafe practices in the past may have frequently encountered asbestos fibre levels significantly higher than those levels found in the background. The current workplace exposure standard (time weighted average (TWA) over an eight-hour period) is 0.1 fibres/millilitre of air (100 fibres per litre which is between 500 and 10,000 times the background levels). In the past, workers in asbestos milling or mining often encountered fibre concentrations a million times higher than background levels. In 2011, 606 deaths were caused by mesothelioma and 125 deaths were caused by asbestosis in Australia.

Family members of exposed workers or those who lived close to active asbestos mines in the past are also at risk. A worker exposed to asbestos fibres or a home renovator can carry asbestos fibres on their clothing, boots, skin, hair and tools. Everyone should be alert to ensure they do not become exposed to these fibres.

A very small number of asbestos-related disease cases occur each year in people who have not worked with asbestos products. The low number of cases makes it difficult to determine the exact cause of the disease or the likely exposure event, but unsafe handling of asbestos materials in the home may have contributed to some of these cases.

The uncontrolled disturbance of asbestos containing materials must be avoided at any time to prevent the release of airborne asbestos and increase the risk of exposure to airborne asbestos fibres. The exposure to airborne asbestos fibres should be reduced to as low as reasonably practicable by managing asbestos containing materials in-situ and adopting safe work practices as required by the Work Health & Safety Regulations and Safe Work Australia Codes of Practice “How to Manage & Control Asbestos In the Workplace”: and “ How to Safely Remove Asbestos”.

If you require assistance in asbestos inspection, asbestos testing or asbestos assessment contact SESA on 02 8786 1808.

First posted here https://www.sesa.com.au/15-asbestos/asbestos-exposure-risk-of-developing-asbestos-related-disease.html - Comments: 0

Asbestos Exposure & Risk of Developing Asbestos Related - 14 Jan 2018 08:29

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Asbestos is a naturally occurring rock forming mineral silicate in fibrous form belonging to the serpentine and amphibole groups. It occurs naturally in large deposits on every continent in the world. There are six types of naturally occurring asbestos fibres of which only three have been used commercially in Australia. These included the serpentine: Chrysotile (white asbestos); and the amphiboles: Crocidolite (blue asbestos) and Amosite (brown or grey asbestos). The other three non-commercially used amphiboles included Tremolite, Actinolite and Anthophyllite.

Asbestos has been used in the ancient world of the Egyptians, Greeks and Romans. It is believed that as early as 4000 BC, asbestos fibres were used for wicks in lamps and candles. Between 2000-3000 BC, embalmed bodies of Egyptian pharaohs were wrapped in asbestos cloth. The Greeks and Romans documented the harmful effects of asbestos fibres on those who mined the silken material from ancient stone quarries noting a “sickness of the lungs” in slaves who wove asbestos into cloth.

The commercial use of asbestos commenced in the late 1800s in Australia in four main industries including Mining and Milling; Building & Construction (for strengthening cement and plastics, for insulation, fireproofing and sound absorption); Ship Building (eg. insulation of boilers and steampipes) and the Automotive Industry (eg. vehicle brake shoes, gaskets and clutch pads).

There were over 3000 products (Asbestos Containing Materials or ACM) manufactured with asbestos fibres. The ACM fall into two broad categories: friable and non-friable (or bonded).

‘Friable’ is ACM that can be easily reduced to powder when crushed by hand, when dry. These materials can contain higher percentages of asbestos fibres and are easily or more likely to release airborne fibres into the environment with minimal disturbance. As such, they pose a greater risk to health. Friable materials must only be handled and removed by an asbestos removalist with Class A Asbestos Removal Licence. Examples of friable asbestos-containing materials include sprayed on fire retardants, insulation (eg. millboard, pipe insulation), sound proofing, the lining on some old domestic heaters, stoves and hot water systems and associated pipe lagging, the backing of sheet vinyl and linoleum floor coverings, thermal lagging, some vermiculite.

‘Non-friable’, or bonded ACM is used to refer to ACM in which the asbestos is firmly bound in the matrix of the material. These materials are unlikely to release measurable levels of airborne asbestos fibre into the environment if they are undisturbed. Therefore, they generally pose a lower risk to health. However, activities that may abrade the ACM such as drilling, grinding have the potential to release higher concentrations of airborne asbestos fibres into the environment. The non-friable ACM are mainly made up of asbestos fibres together with a bonding compound (such as cement), and typically contain up to 15 per cent asbestos. Non-friable ACM are solid, quite rigid and the asbestos fibres are tightly bound in the material. Non-friable ACM are the most common in domestic houses. They are commonly called ‘fibro’, ‘asbestos cement’ and ‘AC sheeting’. Examples of non-friable ACM include asbestos cement products (flat, profiled and corrugated sheeting used in walls, ceilings and roofs, moulded items such as downpipes) and vinyl floor tiles.

While asbestos is a hazardous material it can only pose a risk to health if the asbestos fibres become airborne in respirable size, are inhaled and lodge deep into the lungs (in the alveoli). Inhalation is the main route of entry to the body. Respirable fibres are fibres that are more likely to reach the small airways and alveolar region of the lung and are defined as having a length of more than five microns, and an aspect ratio (length/width) greater than 3:1.

Asbestos is classified according to the Globally Harmonised System of Classification and Labelling of Chemicals (GHS) as Carcinogenicity Category 1A (May cause cancer).

There are several asbestos related diseases that may result from the exposure to asbestos which depends on factors such as fibre type; size and shape of fibres; concentration of asbestos fibres in the inhaled air and period of time over which the person was exposed. The asbestos related diseases include:

Asbestosis

Pleural plaques

Malignant mesothelioma of the pleura and peritoneum

Lung cancer

Benign asbestos pleural effusion

Progressive pleural fibrosis (diffuse pleural thickening)

Transpulmonary bands (crow’s feet)

Rounded atelectasis

All asbestos related diseases have a latency period that is the period commencing from the time of the exposure to the asbestos fibres first occurred until symptoms of a disease show. This may range from 10 – 50 years for the asbestos related diseases.

Workplace exposures to asbestos fibres first occurred while mining asbestos, manufacturing asbestos containing products or using those products during the construction of buildings. Currently, the main source of exposure to asbestos fibres is during the maintenance, renovation or demolition of old buildings with asbestos containing materials.

Asbestos containing materials are subject to environmental weathering which causes them to breakdown and release asbestos fibres. Low levels of airborne asbestos fibres are encountered in the environment from the breakdown of asbestos products. Environmental weathering of asbestos cement sheets in roofing and wall cladding, disturbance of asbestos from a variety of building materials like insulation and asbestos release to air from clutches and brakes in cars and trucks results in asbestos fibres being dispersed in the environment.

According to Australian Government Department of Health website, we are all exposed to low levels of asbestos in the air we breathe every day. Ambient or background air usually contains between 10 and 200 asbestos fibres in every 1000 litres (or cubic metre) of air (equivalent to 0.01 to 0.20 fibres per litre of air). However, most people do not become ill from this exposure, because the levels of asbestos present in the environment are very low. Most people are also exposed to higher levels of asbestos at some time in their lives; for example, in their workplace, community or home. However, for most people, this kind of infrequent exposure is also unlikely to result in any ill effects.

Safe Work Australia states that “the typical environmental background in outdoor air is 0.0005 fibres/ml and 0.0002 fibres/ml in indoor air. The daily inhalation volume for an average adult is 22 m3 or 22000 litres. This means 5500 fibres are breathed/day by the average person (proportion of time spent indoors = 20 hours/day). Despite this the general population does not contract asbestos related disease in significant numbers. The background rate of mesothelioma is less than one per million per year. By comparison, the annual death rate for a 40 year old male in 2008 was 1.6 per thousand or 1600 per million. However, there is no absolutely safe level of exposure to asbestos fibres.

Most people who develop asbestos related diseases were workers who have worked on jobs where they frequently breathed in large amounts of asbestos fibres. As an example, construction workers using unsafe practices in the past may have frequently encountered asbestos fibre levels significantly higher than those levels found in the background. The current workplace exposure standard (time weighted average (TWA) over an eight-hour period) is 0.1 fibres/millilitre of air (100 fibres per litre which is between 500 and 10,000 times the background levels). In the past, workers in asbestos milling or mining often encountered fibre concentrations a million times higher than background levels. In 2011, 606 deaths were caused by mesothelioma and 125 deaths were caused by asbestosis in Australia.

Family members of exposed workers or those who lived close to active asbestos mines in the past are also at risk. A worker exposed to asbestos fibres or a home renovator can carry asbestos fibres on their clothing, boots, skin, hair and tools. Everyone should be alert to ensure they do not become exposed to these fibres.

Safety & Environmental Services Australia

A very small number of asbestos-related disease cases occur each year in people who have not worked with asbestos products. The low number of cases makes it difficult to determine the exact cause of the disease or the likely exposure event, but unsafe handling of asbestos materials in the home may have contributed to some of these cases.

The uncontrolled disturbance of asbestos containing materials must be avoided at any time to prevent the release of airborne asbestos and increase the risk of exposure to airborne asbestos fibres. The exposure to airborne asbestos fibres should be reduced to as low as reasonably practicable by managing asbestos containing materials in-situ and adopting safe work practices as required by the Work Health & Safety Regulations and Safe Work Australia Codes of Practice “How to Manage & Control Asbestos In the Workplace”: and “ How to Safely Remove Asbestos”.

If you require assistance in asbestos inspection, asbestos testing or asbestos assessment contact SESA on 02 8786 1808.

First posted here https://www.sesa.com.au/15-asbestos/asbestos-exposure-risk-of-developing-asbestos-related-disease.html - Comments: 0

Is Solar Energy Right For You? Read These Tips To Find - 14 Jan 2018 04:53

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Is Solar Energy Worth Investing In?

Solar energy is a topic of intense interest to a great deal of individuals, though not everyone has yet got on board and started learning more about the subject. Fortunately, it just takes a bit of time and research to start understanding the true promise solar energy possesses. Keep reading to learn more.

Using solar power to heat the water you use is a terrific method of protecting the environment. Water heating systems can have tanks or be tankless, both able to be powered by the sun. You will only have to install a couple of panels on your roof or front lawn.

Purchasing solar energy systems can save money, but keep in mind that they are a long-term investment. The initial costs of a solar energy system for your home is expensive. This project is best postponed until you are sure you are not going anywhere.

Talk to your local government about doing any major solar installations in your home or business. You want to be properly permitted and within building, zoning and construction codes and regulations. However, you may also discover tax credits, rebates and other financial incentives. They may also have data and information about how well certain solar technologies work in your area.

If you often travel with your electronic, you should consider investing in solar-powered chargers. These chargers include a small solar panels that can generate enough power to charge your cell phone or another electronic device such as a laptop. There are even cases including a small solar charger designed for tablets.

Consider your home's outside design when thinking about solar energy. Having solar-powered pathway lights installed outside is an easy way to use solar energy at home. If you're building a home, positioning it so that it can take advantage of the sun's rays is also beneficial. Well-oriented homes filter in winter sun rays in the south-facing windows and that can reduce heating bills.

If you are building a vacation, rental or retirement home in a rural area, solar power can make a lot of sense. It can spare you the cost of a power line being routed to your home. At the very least it can give you some power in the case of local grid outages, as rural areas have power restored far more slowly than what you might be used to in a city.

Be sure to account for maintenance and upkeep costs when figuring out the costs of a solar energy system. While solar energy has the potential for a lot of savings, it greatly depends on your location. Solar power is not right for every situation, and even has the possibility of costing you more money in the long run.

Don't assume that just because a company sells and installs solar panels means they are good and trustworthy people. Shop around. Get a minimum of three quotes. Read all contracts. Check backgrounds of potential contractors. Deal with this like any other home-improvement project that you would otherwise do.

When you can't afford a full system, instead start with a solar water heating system. The energy used for heating your water can account for 35 percent of your overall energy use. While these costs may be lower upfront than the full power ones, solar water heaters can save you money sooner.

When considering a water heater powered by the sun, be realistic regarding its costs and benefits. Solar heating systems are more efficient than regular models, and they can save you much money. Second, don't think that just because you shower in the dark means you'll have to deal with cold water. Water heated by solar energy stays warm for about a day.

A charge controller is a great addition to any solar array, specifically those that are working above 10 watts on a regular basis. These small devices act as "ON" and "OFF" switches to protect your batteries. They prevent overcharging from damaging your batteries and can provide more advanced charging options depending on the make and model.

Solar power could benefit you, even if you live in a region that sees a lot of clouds year-round. Many people are under the misconception that solar energy is only useful in areas that see a lot of sun. The current technology actually can use the energy that penetrates the clouds to power your home.

If you are planning on meeting with a consultant to install a solar panel system, you need to make sure you are prepared. Have a list of all electrical appliances along with their wattage and the number of hours you use them on hand. Any good consultant will need to know this information before a solar panel can be installed.

Use winter sunshine hours instead of summer hours whenever you are calculating how many solar panels you will need. This is because winter sunshine hours only add up to about half that of summer. It is better to overestimate how many panels you will need rather than underestimate. If you underestimate, you will end up losing power when you need it.

Now that you know the information that you've read in this article, you should feel better about devising a solar energy plan. While there is much to consider, the right information directs you properly, and you are going to see the many benefits. Remember the advice that has been discussed, and move forward with solar energy. - Comments: 0

Office / Indoor Air Quality – Investigating IAQ Complai - 14 Jan 2018 04:33

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The air quality of the indoor environment such as a non-industrial office environment can significantly affect the health, comfort, and productivity of building occupants.

Indoor air quality (IAQ) in the workplace, such an office environment, is the subject of much attention recently, and for good reason. Although serious irreversible health problems related to IAQ in non-industrial office environments are rare, the perception of endangered health is increasingly common among building occupants.

To date, the causes and consequences of poor IAQ are complex and not completely understood, but there are some basic factors that in many cases address IAQ concerns.

IAQ is a problem when the air contains dust and objectionable odours, chemical contaminants, dampness, mould or bacteria.

Poor indoor air quality can lead to a number of physical symptoms and complaints. The most common of these include:

Thermal discomfort: too hot or too cold

Headaches

Fatigue

Shortness of breath (eg. insufficient oxygen related to high carbon dioxide levels)

Sinus congestion

Coughs

Sneezing

Eye, nose, and throat irritation

Skin irritation

Dizziness

Nausea

Skin irritation

These physical symptoms and complaints are often attributed to indoor air quality, however, it is important to note that indoor air quality is not always the cause. Other factors in the indoor environment such as noise, overcrowding, improper lighting, poor ergonomic conditions, and job stress can also lead to these symptoms and complaints. In many situations, a combination of factors is to blame.

An increased likelihood of complaints is usually associated with factors such as the installation of new furnishings, uncontrolled renovation activities, poor air circulation and air flow, persistent moisture and ongoing low relative humidity. Complaints may also increase when there is a stressful work environment, such as impending layoffs, a great deal of overtime, or an ongoing conflict among staff members and management.

A number of factors can affect the indoor air quality of a building or facility, including:

The physical layout of the building

The building’s heating, ventilation, and air conditioning (HVAC) system

The outdoor climate

The people who occupy the building

Mould & Air Quality Testing

Contaminants emitted inside and entered from outside the building

Poor indoor air quality and indoor air contaminants affect some people more seriously, including:

People with allergies or asthma

People with respiratory disease

People whose immune system is suppressed as a result of disease or treatment

People who wear contact lenses

Indoor air contaminants can originate within a building or be drawn in from outdoors. These contaminants can lead to indoor air quality problems, even if the HVAC system is well designed, regularly maintained, and functioning to its optimum conditions.

Sources of contaminants inside the building environment may include:

Dust, dirt, or mould in the HVAC system (eg. cooling coils, ducts, registers)

Office equipment such as laser printers and copiers (eg. airborne particulates, ozone)

Personal activities such as smoking or cooking (eg. Volatile organic compounds, nicotine)

Housekeeping activities such as cleaning and dusting

Maintenance activities such as painting (eg. Volatile organic compounds)

Spills of water or other liquids

Special use areas such as print shops and laboratories

Industrial processes such as dry cleaning

Moisture affected building materials (eg. mould and bacteria)

Sources of contaminants from outside the building may include:

Vehicle exhaust

Pollen and dust (eg. long term build up if cleaning regime is inadequate)

Smoke

Unsanitary debris or dumpsters near the outdoor air intake

Depending on the complaint reported by building occupants, an indoor air quality investigation should include the following:

Interview with building occupants to identify potential causes such as identifiable odours, recent changes that may have caused the issue, water intrusion event, increased occupancy, cleaning regime, etc.

Assessment of the ventilation rate (generally when the indoor carbon dioxide levels are over 650 parts per million (ppm) above ambient outdoor levels)

Walkthrough inspection of the building and the ventilation system (filters, cooling coils, condensation trays, air ducts, etc.)

Sampling for airborne contaminants suspected to be present in concentrations associated with the reported complaints.

Documenting the complaint, the investigation, and any actions taken.

Occupant concerns regarding indoor air quality should be taken seriously and responded to as soon as possible. Initial information should be collected, checked and verified, preferably through interviews with occupants and a visual inspection:

Details about the specific complaint

Location(s) of the building where similar concerns about IAQ have been reported

Time of occurrence of the IAQ problem

When and where did it start and what has changed in the building just before the problem was first experienced

People affected and extent of the affected area(s)

Specific details on the health effects or discomfort occupants are experiencing

If the health effects stop soon after leaving the building, or over the weekend

If the symptoms have been diagnosed by a medical practitioner

If there are any identifiable practices inside or outside the building occurring at a time coinciding with the reported issues

If the air conditioning contractor or the building engineer evaluated the HVAC system or other conditions and the conclusions reached

Once the information above is gathered and analysed the walkthrough inspection by a specialist indoor air quality consultant should be undertaken to identify potential sources of contamination or unusual conditions. Generally, at this stage the IAQ consultant should be able to narrow the possibilities and developing air sampling strategy if required to confirm potential causes of the IAQ problem and decide on suitable solutions or if further investigation is required.

Generally, most IAQ issues can be resolved by addressing maintenance issues of the HVAC system (eg. air exchange rates, improved ventilation and air flow, filter change and disinfection of the internal surfaces of the air handling unit and the air ducts), HEPA vacuuming of the entire space, building repairs, addressing moisture issues, removing potential sources of contamination, implementing a new cleaning regime).

Under the Work Health & Safety Legislation, it is the duty of the person conducting a business or undertaking (PCBU) to provide a work environment that is free from risks to health and safety.

If you require assistance regarding the indoor air quality at your workplace please contact SESA on 02 8786 1808

First posted here https://www.sesa.com.au/14-indoor-air-quality/office-indoor-air-quality-investigating-iaq-complaints.html - Comments: 0

Find Out What You Need To Know About Solar Energy. - 09 Jan 2018 16:12

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A Few Reasons You Ought To Give More Thought To Using Solar Energy

The shift to solar energy is gaining in popularity. Businesses and private residences alike are gradually converting to this cleaner source of energy. If you want to learn more about making the shift to a better and more sustainable source of power, read this article for tips that can help you get started.

Not every solar panel is created equally. Always buy from a reputable dealer that has been in business for a number of years. The solar energy marketplace is littered with businesses that do not succeed. Make sure the company you buy from will be around if you need help or have problems with your system.

It is important when installing your panels to remember that the position of the sun in the sky changes with the seasons, not just only over the course of the day. If you have no choice but to get fixed panels, you will have to find the best angle for all seasons.

If you are thinking about using solar power in your home, you must consider how much direct sunlight your home is actually exposed to. In order for solar energy to be worth it, your roof should have full sun exposure a minimum of 6 hours every day. You should also be wary of any areas of your roof covered by shade.

Look into solar powered appliances. There are a number of products that are available that are powered by solar energy. One of the most popular is the solar powered water heaters. Just having one appliance run by solar energy can save you hundreds of dollars each year in energy costs.

Don't cheap out on the installation! Yes, you've spent a lot of hard earned cash on these solar panels, but that's the point entirely. You've made a huge investment, and you'll want these panels to be secured perfectly. If you opt for someone with less experience or a spotty track record to save a bit of cash, then you'll likely have lots of issues in the future.

Solar panels will reduce your heating bill, as will solar water heat producers. Photovoltaic panels function best in areas where there's a minimum of five uninterrupted sunlight hours. If you have a heated swimming pool, consider installing solar water heaters to cut down on heating costs.

Many people don't realize that when you have a solar power system, you do not have to hook up to a power grid. You can choose to be independent if you are ready to invest in a battery and a backup generator. In other words, you won't need to change electric services should you move, nor will you see high electric bills anymore.

Before purchasing any solar panels, make sure they are government certified. This may seem like a small deal, but it really affects your bottom line. Many of the government rebate programs require that your solar panels are government certified. If they aren't, you'll be missing out on some of the cash back opportunities out there for you.

Be sure to account for maintenance and upkeep costs when figuring out the costs of a solar energy system. While solar energy has the potential for a lot of savings, it greatly depends on your location. Solar power is not right for every situation, and even has the possibility of costing you more money in the long run.

There are many companies who claim to be specialists in solar conversion. However, it is up to you to confirm that they have the proper qualifications and credentials. Check with the Better Business Bureau for their current business standing. Do an online search for any reviews. If you turn up any negative information, look for another service.

You don't necessarily have to stick the solar panels in the typical locations you see in the brochures. There only needs to be a small gap of approximately 1" behind the panel for air circulation. You can find interesting positions anywhere on your property that work with the style and design of the surrounding area.

Do not rush in selecting the first solar power system you come across. Before you make a commitment with a company, you need to make sure you cannot find any better deals elsewhere. Check out your town's federal, state, and local incentives first. You can find this information at the DSIRE database.

Contact different vendors and ask for quotes before you invest in a solar energy system. If possible, get quotes for different types of panels or mounts and compare the efficiency of each system to figure out which one corresponds to your needs and budget. Stay away from vendors who offer extremely low quotes or do not give you details on how they calculate the quote.

Identify areas for improving your home with solar energy. For instance, many solar energy systems won't have enough energy to heat a home. However, they can produce enough energy to provide all of the energy for your water heater. Understanding what your unique situation is will help you figure out what you should do.

If you don't understand the specific mechanism of solar energy, you're not alone. Since reading this article, you should be more informed about what it is and how to use it. You should be even more informed of the benefits of solar energy. This should be kept mind while you are considering solar energy. - Comments: 0

How to Further Develop Affiliate Marketing Tactics - 22 Nov 2017 03:54

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Do you want to improve your affiliate marketing plans? Once you have settled on an effective affiliate marketing strategy, you should focus on the size and quality of your customer base. In the tips that follow, you will learn advanced affiliate marketing techniques that will help you bring in more profits by understanding your audience better. You'll learn strategies, such as marketing emails catering to certain potential customers, along with other valuable information in this article.

Email marketing is an effective tool for communicating with your customers and target audience. When customers sign up for your emails, you are assured that you are sending emails and offers to people who are most likely to be interested in them and appreciate them. Email correspondence needs to contain relevant information. Include helpful information, such as relevant articles or discounts. This will be a great way to find out what your customers want in a website. View interactions with customers as a way to offer them an opportunity to sign up for your email list, and be sure to include a page on your site that allows them to easily join. When it comes to the technical side of having a mailing list, you can either use email marketing software, or create an account with a service provider who offers online tools for managing your list. Be sure to use the software or online tools to personalize each message that you send. Additionally, consider creating special bonuses or discounts for your subscribers.

Becoming familiar with your target audience and their needs will make it easier to market in an effective way. Often times, finding the best method of communication is as simple as learning the age of your ideal customer. Figure out if, based on age, they strike you as a person who would rather be contacted via social networking or a mailing list. It may be useful to look at what your competitors are doing and finding an approach based on that. Surveys, questionnaires, and market tests are a great way to connect directly with your audience. There are many diverse consumer segments, and with market research analysis you can determine which marketing efforts will best suit your company's marketing goals. You must have patience and realize trail-and-error is what will help you figure out what works and what doesn't.

You should find ways to make your customers happy in order to be successful with affiliate marketing. After your start-up period, you can keep your business expanding if you pay attention to your clientele and put together new programs to meet their needs. Utilize these techniques to make your site the most appealing to your customer base. - Comments: 0

Want To Become A Pro At Gardening? Read On - 21 Nov 2017 17:57

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As fun as planting a seed in the dirt and working and waiting for it to grow may seem, it can be a very rewarding hobby or career. Another thing is that once you know what you are doing, it's not that bad. These tips below can help you start.

Selecting a climbing plant. Climbing plants are usually container-grown, although occasionally they are sold as bare-root plants. Choose a healthy looking plant with a good framework of both established stems and new shoots. Turn the pot over, and check to see if there are any young roots growing out of the holes in the bottom. If so, this means that the plant is well-rooted. Reject any plant that is potbound (meaning you can't easily remove it from the pot).

Flush your plants with water if the rim of the pot or top of the soil has white salt deposits. Flush using twice the amount water as the size of the pot. Salt accumulates when using liquid fertilizer and can cause a PH imbalance. Once you have flushed the plant, do not water the plant again until the soil is dry.

Use climbers for covering fences and walls. You can hide an unsightly wall or fence, in as little as one growing season, with the right selection of climbing plant. No need to worry if a bush or tree is in the way, as climbers can grow through them. Also, they can match the shape of an arbor. Some may need to be attached to a support, and others will attach themselves to any surface using their twining stems or tendrils. Excellent varieties include honeysuckle, wisteria, jasmine, climbing roses and clematis.

If your favorite flower pot or garden container has a hole or crack where dirt is leaking through, try lining that area inside the pot with a coffee filter. It works great to hold dirt in and keep your walkways and container gardens neat and clean. Try them out on hanging baskets as well!

If you want a strange, yet successful, green answer to getting rid of weeds, boil them to death. Any vessel of boiling water that you can carry safely can be used as an organic herbicide. Pour the boiling water directly onto the weeds, just make sure you do not damage the nearby plants. The water will kill the weeds by destroying the roots and if poured directly on the weeds, will prevent them from growing back.

Easily dry herbs using your car. Your car is the perfect place to dry herbs, providing a safe, dry, and warm location. Simply place some newspaper or other protection on a car seat, and arrange the herbs in a single, even layer. Make sure the windows are rolled up, and close up the car. Your herbs will be dry and ready to store. Length of time will depend on the temperature, but can be as little as an hour or two. As a bonus, your car will smell wonderful!

Plant in the shade. All plants need light to survive, but not all of them need brilliant sunshine. Plants native to woodland areas are happy when they get protection from the sun's rays. There are many plants that will thrive in a shady garden, including Hosta, Cyclamen, Foxglove, Helleborus, Japanese Anemone, and Ajuga. By planting these, you will have a year-round display of color in even the shadiest of gardens.

Create a non-toxic treatment for black spots on roses. Combine one tablespoon of baking soda, one tablespoon of vegetable oil and one drop of liquid detergent in one gallon of water and shake. Fill a spray bottle with this mixture and when the humidity rises, spray your roses down - making sure to get both sides of the leaves.

Pay attention to the temperatures in your garden. When it is early, or late, in the season there is a chance that your plants could be exposed to frost. Freezing temperatures will cause many plants to die, and some that live will not produce at the level they would have otherwise.

You should check your gardening tools on a regular basis to make sure that they are still in good condition. Sheers, pruners and lawn mower blades all become dull after many uses. You can easily sharpen the blades yourself or have a professional sharpen them. By sharpening the blades you will not have to replace the tools altogether.

Just think of the beautiful harvest you can add to your dining table from your garden. Not to mention the environmentally friendly impact of growing your own food. Maintaining a personal vegetable garden can provide food at low cost to your family — and wait until you savor the amazing taste of vegetables, picked straight from the plant. Store-bought produce never tasted this good! - Comments: 0

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