CFR › Title 40 › Part 142 › §142.6440 CFR §142.64Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)No variances from the requirements in part 141, subpart H are permitted.(b)No exemptions from the requirements in § 141.72 (a)(3) and (b)(2) to provide disinfection are permitted.