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Effluent Guidelines

Pesticide Chemicals Effluent Guidelines

EPA promulgated initial Effluent Guidelines and Standards for the Pesticides Chemicals Category in 1978, and revised the regulation in several actions through 2007. The regulation (40 CFR Part 455) provides effluent limitations and standards for four subcategories and test methods for certain pesticides and processes. The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargersHelpdirect dischargerA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans., and permits or other control mechanisms for indirect dischargersHelpindirect dischargerA facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant). (see Pretreatment Program).

Facilities Covered

The Pesticide Chemicals regulation applies to the following subcategories:
  1. Organic Pesticide Chemicals Manufacturing
  2. Metallo-Organic Pesticide Chemicals Manufacturing
  3. Pesticide Chemicals Formulating and Packaging
  4. Repackaging of Agricultural Pesticides Performed at Refilling Establishments
Subpart D provides references to analytical methods.

Federal Register Notices

2007 Rulemaking

  • Final Rule (March 12, 2007)
    Moved table of analytical methods (Table 7 of 40 CFR Part 455) to 40 CFR 136.3(a) as new Table I-G

1998 Rulemaking

  • Final Rule (July 22, 1998)
    Revised limits for pendimethalin

1996 Rulemaking

  • Final Rule (November 6, 1996)
    Revised Subpart C; added Subpart E
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