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e-CFR data is current as of November 24, 2020

Title 40Chapter ISubchapter NPart 439 → §439.4


Title 40: Protection of Environment
PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY


§439.4   General limitation or standard for pH.

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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