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Federal
Substance Identification Information from EPA's Substance Registry
U.S. Environmental Protection Agency —
The Substance Registry Services (SRS) is the authoritative resource for basic information about substances of interest to the U.S. EPA and its state and tribal... -
Federal
Terminology Services
U.S. Environmental Protection Agency —
Terminology Services provides tools and services that enable vocabulary development, maintenance and provisioning for the enterprise. -
Federal
EPA Enforcement and Compliance History Online: Facilities and Registry Service Linkages
U.S. Environmental Protection Agency —
Facilities Registry Service (FRS) facilities and linkages, which integrates facility information from EPA data systems.