Chemical Accident Prevention Program (CAPP) - Regulated Substance Information
Highly Hazardous Substance Information
If a facility uses, stores, produces or otherwise handles any highly hazardous substance in excess of the listed threshold quantity, they are likely subject to the provisions of CAPP. A list of the substances can be accessed by clicking on one of the following links:
Substance Data Forms
Chemical-specific data forms have been developed for numerous highly hazardous substances. They are intended to provide a quick reference to select physical properties, toxicity information and regulatory information. Available forms are listed below:
If a facility manufactures explosives for sale in any quantity, they are likely subject to the provisions of CAPP. An explosive is a substance that is classified as either Division 1.1, 1.2, 1.3, 1.4, or 1.5 in the federal Department of Transportation's Table of Hazardous Materials, codified at 49 CFR 172.101.