Section 751.101 - [Effective 7/8/2024] General(a)Applicability. This subpart sets certain restrictions on the manufacture (including import), processing, distribution in commerce, use, and disposal of methylene chloride (CASRN 75-09-2) to prevent unreasonable risks of injury to health.(b)De minimis threshold. Unless otherwise specified in this subpart, the prohibitions and restrictions of this subpart do not apply to products containing methylene chloride at thresholds less than 0.1 percent by weight. This provision does not apply to § 751.105 .84 FR 11435, 5/28/2019; 89 FR 39296, 7/8/2024