Data field · Organisation

Hazardous air pollutant indicator

Whether a reported chemical is classified as a hazardous air pollutant under the applicable clean-air regime.

Who carries it ↓

1Data sources

1Providers

1Free to access

Sources that carry it

1 source

U.S. Environmental Protection Agency

Toxics Release Inventory (TRI) Basic Data Files

Annual CSV product for RY 1987-present containing facility, geography, parent, industry, chemical, release, transfer, recycling, energy-recovery, treatment, production-waste, and activity-ratio data from TRI Form R and Form A. Prior-year files may be revised. Coverage is limited to TRI-covered facilities, sectors, chemicals, and reporting thresholds.

Free Full file National US 30 fields

Questions it helps answer

Industry environmental-compliance and release benchmarks Organisation reportable environmental release history

Need Hazardous air pollutant indicator at scale?

We compare every source that carries it on your own records — fill rate, freshness, definition — and bring the winner into production for you.