Response to Comments on the October 1997 Draft of the Air Toxics Hot Spots Risk Assessment Guidelines Part III: Determination of Noncancer Chronic Reference Exposure Levels
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Responses to Public Comment on the Draft Reference Exposure Levels for Toluene Diisocyanate Office of Environmental Health Hazard Assessment California Environmental Protection Agency
The Office of Environmental Health Hazard Assessment (OEHHA) is required to develop guidelines for conducting health risk assessments under the Air Toxics Hot Spots Program (Health and Safety Code Section 44360(b)(2)). OEHHA developed a Technical Support Document (TSD) in response to this statutory requirement that describes acute, 8 hour and chronic RELs and was adopted in December 2008. The T...
متن کاملReference exposure levels for toluene diisocyanate
The Office of Environmental Health Hazard Assessment (OEHHA) is required to develop guidelines for conducting health risk assessments under the Air Toxics Hot Spots Program (Health and Safety Code Section 44360 (b) (2)). OEHHA developed a Technical Support Document (TSD) in response to this statutory requirement that describes acute, 8 hour and chronic RELs and was adopted in December 2008. The...
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The Air Toxics "Hot Spots" Information and Assessment Act (AB 2588, Connelly) was enacted in September 1987. Under this Act, stationary sources of air pollution are required to report the types and quantities of certain substances their facilities routinely release into the air. The goals of the Air Toxics "Hot Spots" Act are to collect emission data, identify facilities having localized impact...
متن کاملResponses to Public Comment on the Draft Reference Exposure Levels for Methylene Diphenyl Diisocyanate Office of Environmental Health Hazard Assessment California Environmental Protection Agency
On July 4, 2014, the Office of Environmental Health Hazard Assessment (OEHHA) released the draft document, Methylene Diphenyl Diisocyanate Reference Exposure Levels: Technical Support Document for the Derivation of Noncancer Reference Exposure Levels to solicit public comment. Responses to comments received on the draft methylene diphenyl diisocyanate reference exposure levels (RELs) are provid...
متن کاملDetermination of Noncancer Chronic Reference Exposure Levels Batch 1B Final April 2000 CHRONIC TOXICITY SUMMARY CHLOROFORM (trichloromethane; formyl trichloride; methenyl trichloride; methyl trichloride) CAS Registry Number: 67-66-3 I. Chronic Toxicity Summary Inhalation
Chloroform (CHCl3) is used in industry and laboratory settings as a solvent for adhesives, pesticides, fats, oils and rubbers. It is also used as a chemical intermediate in the synthesis of fluorocarbon 22, dyes, pesticides, and tribromomethane. Chloroform is produced as a byproduct of water, sewage, and wood pulp chlorination (HSDB, 1995). In 1996, the latest year tabulated, the statewide mean...
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