(a) After September 15, 2025, all persons manufacturing (including importing), processing, and using TCE are prohibited from disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works except as specified in the other subsections of this unit.

(b) After December 18, 2029, all industrial and commercial users of TCE for lithium battery separator manufacturing are prohibited from disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works.

(c) After December 18, 2039, all industrial and commercial users of TCE for specialty polymeric microporous sheet materials manufacturing are prohibited from disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works.

(d) After December 18, 2044, all industrial and commercial users of TCE for lead-acid battery separator manufacturing are prohibited from disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works.

(e) The owner or operator of the location where disposal of TCE to industrial pre-treatment, treatment, or to a publicly owned treatment works occurs must comply with the Workplace Chemical Protection Program provisions in § 751.315, except for the disposal permitted in § 751.305(b)(9).

(f) The owner or operator of the publicly owned treatment works where disposal of TCE occurs must comply with the wastewater workplace protections in § 751.319.

(g) The owner or operator of the location where such use of TCE occurs must comply with the recordkeeping requirements in § 751.323.

(h) Except for those uses specified in paragraphs (b), (c), and (d) of this section, all persons engaged in the uses specified in paragraphs (h)(i) or (ii) of this section are prohibited from disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works after December 18, 2026:

(i) Processing TCE as a reactant/intermediate;

(ii) Processing TCE for industrial and commercial use of TCE as a processing aid, or are the industrial and commercial users of TCE as a processing aid, in: process solvent used in battery manufacture; process solvent used in polymer fiber spinning, fluoroelastomer manufacture and Alcantara manufacture; extraction solvent used in caprolactam manufacture; precipitant used in beta-cyclodextrin manufacture.