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Industrial User Inspection and Sampling Manual for Publicly Owned Treatment Works

This guidance document is intended for use by Publicly Owned Treatment Works (POTW) inspectors where the POTW has an approved pretreatment program.  This document is available for download only.

  • Industrial User Inspection and Sampling Manual for POTWs (pdf) (January 2017, EPA-831-B-17-001)
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Last updated on November 30, 2021
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