StacksVerified U.S. regulatory reference

40 CFR §799.12

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.