40 CFR 63.402 - Standard.

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Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025

All TitlesTitle 40Chapter IPart 63Subpart Q - Subpart Q—National Emission Standards for Hazardous Air Pollutants for Industrial Process Cooling Towers

View all text of Subpart Q [§ 63.400 - § 63.407]

§ 63.402 - Standard.

No owner or operator of an IPCT shall use chromium-based water treatment chemicals in any affected IPCT.

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.

cite as: 40 CFR 63.402

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