Air Toxics Intro | Air Toxics and Health | Air Toxics for Business | Air Toxics Regulations

The District has published a DICE Screening Tool for use when permitting new diesel engines in Santa Barbara County.  A user guide and a background document for the screening tool are also available.  More information about the tool can be found on the District’s DICE Health Risk Assessment Screening Tool webpage.


Guideline Documents

  • Modeling Guidelines for Health Risk Assessments: Form-15i.  All refined health risk assessments must follow the current version of this guideline document.
  • Gasoline Station Health Risk AssessmentsForm -25T.  All health risk assessments for gas stations must be accompanied by this completed form and follow the current version of the form.

Air Toxics Forms

Air Toxics Calculations

Performing Health Risk Assessments

  • The HARP modeling program can be obtained from CARB’s website.
  • District-approved meteorological data for use in AERMOD are available on the District’s Meteorological Data webpage.

Reference Material

For downloading instructions, see How to View and Download Documents.

For more information or assistance, please contact David Harris at (805) 961-8824 or at [email protected] (Air Toxics Section).