§751.305. Prohibitions of manufacturing, processing, distribution in commerce, use and disposal. — Inbound Citations

(a) The provisions of this section apply to the following disposal sub-conditions of use for their respective phaseouts, in accordance with § 751.305 (b) (14), (23), (24), and (26):

(1) Cleanup of sites with TCE water contamination; and,

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(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).

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) In accordance with § 751.305(b)(11), until December 18, 2029, TCE may be used as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in producing rocket booster nozzles for Federal agencies and their contractors, and manufactured (including imported), processed, and distributed in commerce for such use.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) The following are specific conditions of the exemption for industrial and commercial use of TCE as a solvent for closed-loop vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors described in § 751.305(b)(15):

(i) The use of TCE in industrial and commercial as a solvent for closed-loop vapor degreasing is limited to the closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors.

(ii) The owner or operator of the location where such use occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

(iii) The owner or operator of the location where such use of TCE occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the recordkeeping requirements in § 751.323.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(2) The following are specific conditions of the exemption for vapor degreasing described in § 751.305(b)(16):

(A) Essential aerospace parts and components where cleaning alternatives present technical feasibility or performance challenges to meet specifications from Federal agencies or other long-standing design specifications included in existing contracts; and

(ii) The owner or operator of the location where such use of TCE occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

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

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) In accordance with § 751.305(b)(18), until December 18, 2034, TCE may be manufactured (including imported), processed, distributed in commerce, and used in industrial and commercial use of TCE in laboratory use for asphalt testing and recovery.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(3) The following are specific conditions of the exemption for industrial and commercial uses of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems described in § 751.305(b)(20):

(i) The industrial and commercial use of TCE must be limited for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems: as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes.

(ii) The owner or operator of the location where such use occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

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

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(5) The following are specific conditions of the exemption for use as a processing aid in the manufacturing of lead-acid battery separators described in § 751.305(b)(22):

(i) The use of TCE as a processing aid for battery separator manufacturing must be limited to lead acid battery separator manufacturing.

(ii) This specific industrial and commercial use of TCE as a processing aid can only be used at industrial facilities in which TCE is in use for the manufacture of lead acid battery separators prior to February 18, 2025.

(iii) The owner or operator of the location where such use occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

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

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(6) The following are specific conditions of the exemption for industrial and commercial use as a processing aid at § 751.305(b)(23):

(i) The use of TCE as a processing aid must be limited to specialty polymeric microporous sheet materials manufacturing.

(ii) This specific industrial and commercial use of TCE as a processing aid can only be used at industrial facilities in which TCE is in use for the manufacture of specialty polymeric microporous sheet materials prior to February 18, 2025.

(iii) The owner or operator of the location where such use occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

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

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(7) The following are specific conditions of the exemption for laboratory use at § 751.305(b)(24):

(i) The industrial and commercial use of TCE as a laboratory chemical must only be for essential laboratory activities. Essential laboratory activities are:

(A) Laboratory activities associated with cleanup and exposure monitoring activities, including chemical analysis, chemical synthesis, extracting or purifying other chemicals, dissolving other substances, research and development for the advancement of cleanup activities, and as an analytical standard for monitoring related to TCE contamination or exposure monitoring.

(B) Laboratory activities conducted by Federal agencies and their contractors, other than those described in paragraph (b)(7)(i)(A) of this section, and similar laboratory activities, provided the use is essential to the agency's mission.

(ii) The use of TCE as a laboratory chemical for testing asphalt is regulated under § 751.311, and is not considered an essential laboratory activity.

(iii) The use of TCE as a laboratory chemical must be performed on the premises of a laboratory.

(iv) The owner or operator of the location where such use of TCE occurs, and manufacturers (including importers) and processors of TCE for such use, must comply with the Workplace Chemical Protection Program provisions in § 751.315.

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

(1) After March 17, 2025, all persons are prohibited from manufacturing (including importing and manufacturing for export) TCE, except as specified for manufacturing in paragraphs (b)(5) through (25) of this section.

(a) The provisions of this section apply to the following conditions of use of TCE when permitted to continue beyond December 18, 2025, pursuant to accordance with §§ 751.305(b)(8) through (25), 751.307, 751.309, and 751.311:

(1) Manufacturing (domestic manufacture);

(2) Manufacturing (import);

(3) Processing as a reactant/intermediate;

(4) Processing into formulation, mixture, or reaction product;

(5) Processing (repackaging);

(6) Processing (recycling);

(7) 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;

(8) Industrial and commercial use of TCE as an adhesive and sealant for essential aerospace applications;

(9) Industrial and commercial use of TCE in other miscellaneous industrial and commercial uses (laboratory use);

(10) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing for rayon fabric scouring for end use in rocket booster nozzle production by Federal agencies and their contractors;

(11) Industrial and commercial use of TCE in closed-loop or open-top batch vapor degreasing for essential aerospace parts and components and narrow tubing used for medical devices;

(12) Industrial and commercial use of TCE for vessels of the Armed Forces and their systems, and in the maintenance, fabrication, and sustainment for and of such vessels and systems; as potting compounds for naval electronic systems and equipment; sealing compounds for high and ultra-high vacuum systems; bonding compounds for materials testing and maintenance of underwater systems and bonding of nonmetallic materials; and cleaning agents to satisfy cleaning requirements (which includes degreasing using wipes, sprays, solvents and vapor degreasing) for: materials and components required for military ordnance testing; temporary resin repairs in vessel spaces where welding is not authorized; ensuring polyurethane adhesion for electronic systems and equipment repair and installation of elastomeric materials; various naval combat systems, radars, sensors, equipment; fabrication and prototyping processes to remove coolant and other residue from machine parts; machined part fabrications for naval systems; installation of topside rubber tile material aboard vessels; and vapor degreasing required for substrate surface preparation prior to electroplating processes;

(13) Industrial and commercial use of TCE as a solvent in closed-loop batch vapor degreasing necessary for rocket engine cleaning by Federal agencies and their contractors;

(14) Industrial and commercial use of TCE in batch vapor degreasing for land-based DoD defense systems by Federal agencies and their contractors; and

(15) Disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works, except for the disposal permitted in § 751.305(b)(9) and to the extent that the activity is covered by the workplace protections in § 751.319.

(8) The following are specific conditions of the exemption for disposal at § 751.305(b)(25):

(i) The disposal of TCE to industrial pre-treatment, industrial treatment, or publicly owned treatment works must only be for the purposes of cleanup projects of TCE-contaminated water and groundwater, and is limited to sites undergoing cleanup under CERCLA, RCRA, or other Federal, state, and local government laws, regulations, or requirements.

(ii) The owner or operator of the cleanup site location where TCE industrial treatment or pretreatment occurs must comply with the wastewater worker protection requirements in § 751.319.

(iii) The owner or operator of publicly owned treatment works that receive TCE wastewater must comply with the worker protection requirements in § 751.319.

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