Notice of Adoption of the Air Toxics "Hot Spots" Program Risk Assessment Guidelines Part IV Oct 2000

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The Office of Environmental Health Hazard Assessment (OEHHA) is the releasing the final document, Air Toxics Hot Spots Program Risk Assessment Guidelines Part IV: Exposure Assessment and Stochastic Analysis Technical Support Document . This document is the fourth in a series of five Risk Assessment Guidelines that are being developed by OEHHA for use in implementing the Air Toxics "Hot Spots" Program mandated by the Air Toxics Hot Spots Information and Assessment Act of 1987, as amended. An External Advisory Group composed of scientists from industry, academia, environmental groups, Federal and State agencies met fourteen times to provide scientific input. The original draft document was released in December 1996 for a 90-day public comment period, followed by two public workshops, a second review draft was released on March 10, 2000.

Please direct any inquiries concerning technical matters or availability of the document to:

OEHHA Staff at (510) 622-3200.