1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter N - EFFLUENT GUIDELINES AND STANDARDS
  5. Part 439 - PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY
  6. Topic - General
  7. 40 CFR § 439.4
40 CFR § 439.4
General limitation or standard for pH
June 9, 2020
CFR

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]

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§ 439.3 General pretreatment standards

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