The OEHHA has updated its risk assessment guidelines and a public review draft is now available for comment. Among the topics covered are:

  • air dispersion modelling
  • daily breathing rates
  • soil ingestion rates
  • breast milk intake rates
  • dermal exposure assessment
  • home-produced food exposure assessment
  • water intake
  • fish consumption
  • body weight data
  • discussions on exposure duration

Office of Environmental Health Hazard Assessment (OEHHA) of the California Environmental Protection Agency (Cal/EPA). Air Toxics “Hot Spots” Program Risk Assessment Guidelines: Technical Support Document for Exposure Assessment and Stochastic Analysis. November, 2011.

http://www.oehha.ca.gov/air/hot_spots/pdf/110711ExposureTSD.pdf

The above item was taken from the January/February 2012 issue of Toxicology and Regulatory News which is sent automatically to members of bibra (click here for more details).

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