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The preliminary 2016 TRI dataset is now available. The dataset is approximately 99% complete, and will be updated several times in response to data quality analyses and revisions submitted by facilities. For more information, visit https://www.epa.gov/toxics-release-inventory-tri-program/tri-preliminary-dataset.

The Envirofacts database is now RESTful service-enabled. See the services tab below for documentation and examples, or visit: Envirofacts Web Services

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