40 CFR § 799.12 - Test results.

---
identifier: "/us/cfr/t40/s799.12"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 799.12 - Test results."
title_number: 40
title_name: "Protection of Environment"
section_number: "799.12"
section_name: "Test results."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "R"
subchapter_name: "TOXIC SUBSTANCES CONTROL ACT"
part_number: "799"
part_name: "IDENTIFICATION OF SPECIFIC CHEMICAL SUBSTANCE AND MIXTURE TESTING REQUIREMENTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 2603, 2611, 2625."
regulatory_source: "49 FR 39817, Oct. 10, 1984, unless otherwise noted."
cfr_part: "799"
---


# 799.12 Test results.

Except as set forth in specific chemical test rules in subpart B of this part, a positive or negative test result in any of the tests required under subpart B is defined in the TSCA test guidelines published by NTIS.