40 CFR § 160.83 - Reagents and solutions.

---
identifier: "/us/cfr/t40/s160.83"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 160.83 - Reagents and solutions."
title_number: 40
title_name: "Protection of Environment"
section_number: "160.83"
section_name: "Reagents and solutions."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "160"
part_name: "GOOD LABORATORY PRACTICE STANDARDS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 136a, 136c, 136d, 136f, 136j, 136t, 136v, 136w; 21 U.S.C. 346a, 371, Reorganization Plan No. 3 of 1970."
regulatory_source: "54 FR 34067, Aug. 17, 1989, unless otherwise noted."
cfr_part: "160"
---


# 160.83 Reagents and solutions.

All reagents and solutions in the laboratory areas shall be labeled to indicate identity, titer or concentration, storage requirements, and expiration date. Deteriorated or outdated reagents and solutions shall not be used.