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2. Coal combustion products - Wikipedia

   en.wikipedia.org/wiki/Coal_combustion_products

   Photomicrograph made with a scanning electron microscope and back-scatter detector: cross section of fly ash particles. Fly ash, flue ash, coal ash, or pulverised fuel ash (in the UK)—plurale tantum: coal combustion residuals (CCRs)—is a coal combustion product that is composed of the particulates that are driven out of coal-fired boilers together with the flue gases.

3. GHS hazard pictograms - Wikipedia

   en.wikipedia.org/wiki/GHS_hazard_pictograms

   The GHS transport pictograms are the same as those recommended in the UN Recommendations on the Transport of Dangerous Goods, widely implemented in national regulations such as the U.S. Federal Hazardous Materials Transportation Act (49 U.S.C. 5101–5128) and D.O.T. regulations at 49 C.F.R. 100–185.

4. Hazardous waste - Wikipedia

   en.wikipedia.org/wiki/Hazardous_waste

   "In terms of hazardous waste, a landfill is defined as a disposal facility or part of a facility where hazardous waste is placed or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action ...

5. Globally Harmonized System of Classification and Labelling of ...

   en.wikipedia.org/wiki/Globally_Harmonized_System...

   The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

6. Chemical hazard - Wikipedia

   en.wikipedia.org/wiki/Chemical_hazard

   The use of personal protective equipment may substantially reduce the risk of adverse health effects from contact with hazardous materials. [ 2 ] Long-term exposure to chemical hazards such as silica dust , engine exhausts , tobacco smoke , and lead (among others) have been shown to increase risk of heart disease , stroke , and high blood ...

7. Waste management - Wikipedia

   en.wikipedia.org/wiki/Waste_management

   Waste management or waste disposal includes the processes and actions required to manage waste from its inception to its final disposal. [1] This includes the collection , transport , treatment , and disposal of waste, together with monitoring and regulation of the waste management process and waste-related laws , technologies, and economic ...

8. Workplace Hazardous Materials Information System - Wikipedia

   en.wikipedia.org/wiki/Workplace_Hazardous...

   The federal Hazardous Products Act and associated Controlled Products Regulations, administered by the Workplace Hazardous Materials Bureau residing in the federal Department of Health Canada, [citation needed] established the national standard for chemical classification and hazard communication in Canada and is the foundation for the workers' "right-to-know" legislation enacted in each of ...

9. Landfill - Wikipedia

   en.wikipedia.org/wiki/Landfill

   The space that is occupied daily by the compacted waste and the cover material is called a daily cell. Waste compaction is critical to extending the life of the landfill. Factors such as waste compressibility, waste-layer thickness and the number of passes of the compactor over the waste affect the waste densities.