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CFR › Title 40 › Part 464 › §464.04

40 CFR §464.04

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

The compliance date of PSES is October 31, 1988.

Source text from the eCFR (CFR) and the Office of the Law Revision Counsel (U.S. Code). Stacks shows the law verbatim; it is not legal advice.