# Trichoderma harzianum KRL-AG2 (ATCC #20847) or Strain T-22; Revision of Exemption from the Requirement of a Tolerance
> **Rule** · Final rule. · Published 1999-04-07 · Effective 1999-04-07 · 64 FR 16856
## Document
- **Document number:** 99-8637
- **Category:** pesticide
- **Federal Register citation:** 64 FR 16856
- **CFR reference:** 40 CFR 180
- **Publication date:** 1999-04-07
- **Effective date:** 1999-04-07
- **EPA docket:** OPP-300823
## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/04/07/99-8637/trichoderma-harzianum-krl-ag2-atcc-20847-or-strain-t-22-revision-of-exemption-from-the-requirement)
---
*AI Analytics · CC0 1.0*