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California Air Resources Board

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Hot Spots Analysis & Reporting Program

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Primary Contact

HARP
Email
harp@arb.ca.gov

Categories

Topics
Airborne Toxics
Division
Transportation and Toxics Division

Resources

Emission Inventory Criteria and Guidelines Regulation Documents
HARP Bulletins
Information
Frequently Asked Questions Related to the OEHHA Guidelines
Information
Risk Management Actions - workshops and meetings
Information
Risk Management Activities - Past Workshops and Meetings
HARP Digital Elevation Model Files
HARP AERMOD Meteorological Files
HARP AERSCREEN Meteorological Data
HARP Emission Inventory Module
HARP Risk Assessment Standalone Tool
HARP Air Dispersion Modeling and Risk Tool

Contact Us

(800) 242-4450  |  helpline@arb.ca.gov 
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

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California Governor
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Secretary for Environmental Protection
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Liane M. Randolph Opens a New Window.

The California Air Resources Board is one of six boards, departments, and offices under the umbrella of the California Environmental Protection Agency.

  • CalEPA
  • CalRecycle
  • DPR
  • DTSC
  • OEHHA
  • SWRCB

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