# Whole Effluent Toxicity: Guidelines Establishing Test Procedures for the Analysis of Pollutants; Final Rule, Technical Corrections
> **Rule** · Final rule, technical corrections. · Published 1999-02-02 · Effective 1999-03-04 · 64 FR 4975
## Document
- **Document number:** 99-2197
- **Category:** water-quality
- **Federal Register citation:** 64 FR 4975
- **CFR reference:** 40 CFR 136
- **Publication date:** 1999-02-02
- **Effective date:** 1999-03-04
- **EPA docket:** FRL-6227-4
## Abstract

EPA is amending the ``Guideline Establishing Test Procedures for the Analysis of Pollutants'' at 40 CFR part 136 for whole effluent toxicity (WET) testing under the Clean Water Act, and also is amending three technical documents incorporated by reference in those regulations. The amendments correct minor errors and omissions, provide technical clarifications, and establish consistency among the technical documents.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/02/02/99-2197/whole-effluent-toxicity-guidelines-establishing-test-procedures-for-the-analysis-of-pollutants-final)
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