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 (see links below for avaiable forms). These are intended to provide a quick reference to select physical properties, toxicity information, and regulatory information. Additional information regarding conversion factors (pdf) and source references (pdf) are also available.
|Chemical Name||Alternate Chemical|
|Ammonia||Ammonia Solution; Ammonium Hydroxide/20 wt% to 44 wt%||7664-41-7|
|Hydrogen Peroxide||Concentration of 52% or|
greater by weight
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.