40 C.F.R. § 439.4

General limitation or standard for pH.

Last amended: 2016Year: 2026Length: 31 wordsOfficial source

Cite as 40 C.F.R. § 439.4 (2026)

The pH must remain within the range 6.0 to 9.0 in any discharge subject to BPT, BCT or NSPS limitations or standards in this part. [68 FR 12271, Mar. 13, 2003]
40 C.F.R. § 439.4: General limitation or standard for pH. | Justis AI