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National Pollutant Discharge Elimination System (NPDES)
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NPDES Pretreatment Streamlining Rule Fact Sheets

Fact sheet series outlining the changes made to the pretreatment program at 40 CFR Part 403 under the Pretreatment Streamlining Rule.

  • Pretreatment Streamlining Rule Fact Sheet 1.0: Summary of Changes Made Under the Streamlining Rule (pdf) (119.24 KB)
  • Pretreatment Streamlining Rule Fact Sheet 2.0: Required Changes (pdf) (101.62 KB)
  • Pretreatment Streamlining Rule Fact Sheet 3.0: Equivalent Mass Limits for Concentration Limits (pdf) (132.68 KB)
  • Pretreatment Streamlining Rule Fact Sheet 4.0: Equivalent Concentration-Based Limits for Flow-Based Standards (pdf) (77.26 KB)
  • Pretreatment Streamlining Rule Fact Sheet 5.0: New Classifications for Categorical Industrial Users (pdf) (114.12 KB)
  • Pretreatment Streamlining Rule Fact Sheet 6.0: Optional Sampling Waiver for Pollutants Not Present (pdf) (131.39 KB)
  • Pretreatment Streamlining Rule Fact Sheet 7.0: Best Management Practices (pdf) (113.09 KB)
  • Pretreatment Streamlining Rule Fact Sheet 8.0: Slug Control Plans (pdf) (70.37 KB)
  • Pretreatment Streamlining Rule Fact Sheet 10.0: General Control Mechanisms Option (pdf) (122.36 KB)
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Last updated on November 2, 2022
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