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Handbook for Asbestos Training for Class II & Class III/IV Competent Persons & for Custodians.pdf

September 9, 2009 · Filed Under Health & Safety at Work  · Tags: , ,

Taken from What is asbestos?: Asbestos is a naturally occurring substance. It may be found virtually everywhere. We are almost constantly being exposed to asbestos fibers both indoors and out, some of which originate from building materials containing asbestos, and some of which represent naturally occurring background levels.

Asbestos is found in certain rock formations around the world. A good bit of the soil on this earth contains little bits of naturally occurring. Over a third of North Carolina is covered with asbestos-containing rock, mainly in the Piedmont. There are asbestos containing rock formations as far east as Raleigh and as far west as Morganton. You may have some in your own backyard.

Just by weathering of asbestos-containing rocks, some asbestos fibers are released from the rock and find their way not only into the soil but also into the air we breathe and into the water we drink.

The concentrations of asbestos that are released into water supplies can be high. The Great Lakes and St. Lawrence River have average concentrations of 1.7 million fibers per liter. Higher concentrations have been found in Lake Superior.

The concentration found in Duluth’s water supply ranges from 10 to 100 million fibers per liter. Some water supplies in Georgia also contain 10 million fibers per liter. If you drink an eight-ounce glass of water in those areas, you’re consuming about two and a half million asbestos fibers. Many localities in the United States have water supplies that contain a million or more fibers per liter. The Drinking Water Standards adopted under the Clean Water Act limit the concentration of asbestos fibers to eight million fibers per liter. There is no evidence that this level causes a problem.

Asbestos fibers released into the air due to natural erosion are usually present in very low concentrations but there are areas of the country where concentrations outdoors exceed the OSHA limits for workplaces. California is covered with asbestos-containing rock. Practically all the soil in California contains little bits of asbestos. Air monitoring conducted in a few state and national parks near San Francisco showed the air contained up to 5.3 fibers per cubic centimeter (f/cc) from naturally occurring rocks, 53 times the present OSHA permissible exposure limit. Asbestos-bearing rock in these parks is near the surface and directly exposed to vehicular traffic, creating clouds of dust. There is no evidence that people have been made sick from minerals such as asbestos in the outdoor air, although there have been exhaustive studies.

Mining and construction activities can result in major releases of asbestos to the environment. Blasting highways through hills and mountains can result in release of huge quantities of fibers in air. OSHA limits the concentration of fibers in the air in workplaces, and EPA regulations and NC Administrative Codes limit the concentration of fibers emitted to the environment. EPA prohibits visible emissions to the outdoors. North Carolina (NCAC 2H. 0600 D) limits the amount facilities can discharge to the outdoor air to 0.0000019 pounds of asbestos per year. However, no agency regulates the amount of asbestos released to the environment due to mining and construction activities. Nor does OSHA cover naturally occurring exposures, such as exposures farmers may have to silica and asbestos when plowing the soil.

Contents:

  • Index and Introduction to Abestos Training
  • Characteristics, Uses, Identification and Recognition of Asbestos
  • Health Effects of Inhaling Asbestos Fiber
  • Effects of Smoking on Health
  • How to Conduct and Supervise O&M Work
  • Class II Removal of Intact Resilient Flooring - Training for Workers and Competent Persons
  • Class II Removal of Intact Resilient Flooring - Training for Competent Persons
  • Class II Removal of Roofing and Siding
  • Awareness Training
  • Safety Hazards
  • Supervising Workers
  • EPA, DOT and Other Asbestos REgulations
  • Hands-on Training
  • Automotive Brake Repair
  • Tests
  • Appendices

This manual is available FREE at Office of State Personnel website, we merely collect the information, Online Free Ebooks neither affiliated with the author(s), the website and any brand nor responsible for its content and change of content. (Read our disclaimer here or here before you download the document from the website written above by clicking the below link).

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