# Pyrithiobac Sodium Salt; Time-Limited Pesticide Tolerance
> **Rule** · Final rule. · Published 1999-10-20 · Effective 1999-10-20 · 64 FR 56464
## Document
- **Document number:** 99-27392
- **Category:** pesticide
- **Federal Register citation:** 64 FR 56464
- **CFR reference:** 40 CFR 180
- **Publication date:** 1999-10-20
- **Effective date:** 1999-10-20
- **EPA docket:** OPP-300935
## Abstract

This regulation extends the time-limited tolerance for residues of the herbicide pyrithiobac sodium salt (sodium 2-chloro-6- [(4,6-dimethoxypyrimidin-2-yl)thio]benzoate) in or on cottonseed at 0.02 parts per million (ppm). E.I. du Pont de Nemours and Co., Inc., requested this tolerance under the Federal Food, Drug, and Cosmetic Act, as amended by the Food Quality Protection Act of 1966. The tolerance will expire on September 30, 2001.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/10/20/99-27392/pyrithiobac-sodium-salt-time-limited-pesticide-tolerance)
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