40 CFR § 439.4 Pharmaceutical Manufacturing Point Source Category

§ 439.4 General limitation or standard for pH.

Current through Aug 22, 2025 · Read all of Part 439

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]

← § 439.3 General pretreatment standards.§ 439.10 Applicability. →