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2. Asbestos and the law - Wikipedia

   en.wikipedia.org/wiki/Asbestos_and_the_law

   Penalties for the continued use of asbestos include a fine which would not exceed R100 000 and/or imprisonment of less than ten years. Prior to the regulations' implementation, asbestos had been in the process of being phased out from as early as 2003. Requests from Zimbabwe and Canada to be excepted from the prohibition were denied. South ...

3. Asbestos Hazard Emergency Response Act - Wikipedia

   en.wikipedia.org/wiki/Asbestos_Hazard_Emergency...

   The Asbestos Hazard Emergency Response Act (AHERA) is a US federal law enacted in 1986 by the 99th United States Congress and signed into law by President Ronald Reagan. [1] It required the EPA to create regulations regarding local educational agencies inspection of school buildings for asbestos-containing building material, prepare asbestos ...

4. Asbestos - Wikipedia

   en.wikipedia.org/wiki/Asbestos

   Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -⁠toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...

5. Health impact of asbestos - Wikipedia

   en.wikipedia.org/wiki/Health_impact_of_asbestos

   The American Conference of Governmental Industrial Hygienists has a recommended Threshold Limit Value (TLV) for asbestos of 0.1 fibers/mL over an 8-hour shift. OSHA in the United States and occupational health and safety regulatory jurisdictions in Canada use 0.1 fibers/mL over an 8-hour shift as their exposure limits. [19]

6. Control of Substances Hazardous to Health Regulations 2002

   en.wikipedia.org/wiki/Control_of_Substances...

   2-naphthylamine, benzidine, 4-aminodiphenyl, 4-nitrodiphenyl, their salts and any substance containing any of those compounds in a total concentration equal to or greater than 0.1% by mass; Matches made with white phosphorus. Contravention is an offence under the Customs and Excise Management Act 1979 rather than health and safety regulations.

7. Chrysotile - Wikipedia

   en.wikipedia.org/wiki/Chrysotile

   Three polytypes of chrysotile are known. [8] These are very difficult to distinguish in hand specimens, and polarized light microscopy [6] must normally be used. Some older publications refer to chrysotile as a group of minerals—the three polytypes listed below, and sometimes pecoraite as well—but the 2006 recommendations of the International Mineralogical Association prefer to treat it as ...