# Tetraethoxysilane Polymer with Hexamethyldisiloxane; Tolerance Exemption
> **Rule** · Final rule. · Published 2002-02-12 · Effective 2002-02-12 · 67 FR 6418
## Document
- **Document number:** 02-3355
- **Category:** pesticide
- **Federal Register citation:** 67 FR 6418
- **CFR reference:** 40 CFR 180
- **Publication date:** 2002-02-12
- **Effective date:** 2002-02-12
- **EPA docket:** OPP-301216
## Abstract

This regulation establishes an exemption from the requirement of a tolerance for residues of tetraethoxysilane polymer with hexamethyldisiloxane (CAS Reg. No. 104133-09-7); when used as an inert ingredient in or on growing crops, when applied to raw agricultural commodities after harvest, or to animals. Wacker Silicones Corporation submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act, as amended by the Food Quality Protection Act of 1996 requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of tetraethoxysilane polymer with hexamethyldisiloxane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/02/12/02-3355/tetraethoxysilane-polymer-with-hexamethyldisiloxane-tolerance-exemption)
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