• Organization: City of New York
• Updated: 2025-08-18

The Adding Chemicals to Water Supply permit is required for persons who engage in the business of chemically treating the drinking water supply within a building. This permit allows chemicals to...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Exposure Forecaster Database (ExpoCastDB) is EPA's database for aggregating chemical exposure information and can be used to help with chemical exposure predictions. The database currently...

• Organization: Department of the Interior
• Updated: 2023-09-29T00:00:00Z

We investigated whether the length of time fire chemical weathers on a terrestrial substrate before mixing into aquatic environments alters the chemical’s toxicity when encountered by juvenile...

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