Discussion of Draft Chronic RELs for Fluorides including Hydrogen Fluoride, Phosphine, and Triethylamine July 2002

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The Scientific Review Panel for Toxic Air Contaminants will be considering chronic RELs for Fluorides including Hydrogen Fluoride, Phosphine and Triethylamine at their meeting on July 26th 2002. The Office of Environmental Health Hazard Assessment (OEHHA) is providing draft toxicity summaries for the three compounds. The Hydrogen Flouride summary has been revised to include a Benchmark Calculation for the chronic REL. Due to lack of time the Panel was unable to consider these RELs at their meeting on April 26, 2002.

OEHHA is proposing that these three chronic reference exposure levels for substances be included in the Part III guideline document prepared by OEHHA staff. Part III describes the methods used to determine chronic reference exposure levels, at (or below) which no adverse health effects are anticipated from exposure to the listed chemicals. Once approved by the Panel, these substances become an addendum to the original report prepared by the Panel in February 2000.

More information from the Air Resources Board web site.