StacksVerified U.S. regulatory reference

40 CFR §98.485

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Whenever the value of a parameter is unavailable or the quality assurance procedures set forth in § 98.484 cannot be followed, you must follow the procedures set forth in Clause 9.2 of CSA/ANSI ISO 27916:19 (incorporated by reference, see § 98.7).