Allegheny CountyThe Toxics Release Inventory (TRI) data provides information about toxic substances released into the environment or managed through recycling, energy recovery, and treatment in the United States. Annual releases are compiled and reported by the U.S. Environmental Protection Agency (EPA) and shared on the TRI Website. The TRI covers over 650 chemicals and chemical groupings across a broad range of industries. Chemicals covered are linked to cancer or other chronic human health effects, tied to significant adverse human health effects, or significant adverse environmental effects. _This data is obtained from the EPA's API. Users can also query the EPA's website for this information by using the links to each table listed as HTML resources below and supplying the State FIPS Code of "42003" to limit the results returned to only Allegheny County on the Search Criteria page._ ___Support for Health Equity datasets and tools provided by [Amazon Web Services (AWS)](https://aws.amazon.com/) through their [Health Equity Initiative](https://aws.amazon.com/government-education/nonprofits/global-social-impact/health-equity/).___toxic-release-inventoryengWestern Pennsylvania Regional Data Center Open DataPublicEnvironmentHealthAllegheny County Toxics Release InventoryDatasetsPennsylvania--Allegheny CountyPennsylvaniaLast Modified: 2026-01-08