U.S. EPA Proposes Significant New Use Rules for 27 Chemical Substances

Polysaccharide ether chloride

Additive in consumer/commercial products

• Manufacturing with amine nitrogen substitution degree exceeding the confidential percentage listed in the order;
• Release to surface water resulting in concentrations exceeding 193 ppb (exempting processors/users receiving formulation concentrations <5.5%);
• Failure to establish a hazard communication program.

Heteroatom-substituted dihaloester

Electrolyte additive

• Manufacture or processing without personal protective equipment (PPE) when dermal exposure is possible;
• Use in consumer products;
• Manufacture/processing/use not in a closed process;
• Waste disposal not via incineration;
• Failure to establish a hazard communication program.

Rhamnolipids (various salts)

Detergents, cleaners

• Any manufacturing or processing method resulting in inhalation exposure;
• Concentration exceeding 3% by weight in final formulation (including consumer products);
• Failure to wear a NIOSH-certified respirator (APF ≥ 50) when inhalation exposure is possible;
• Failure to use PPE when dermal exposure is possible.

Carbon monocyclic alkyl amide (potential PBT chemical)

Plastic additive

• Use in consumer products;
• Manufacture/processing/use in non-liquid solution form;
• Any method resulting in inhalation exposure;
• Release to water;
• Failure to establish a hazard communication program.

Bisphenol-epichlorohydrin type polymers (12 substances)

Coatings for metal parts

• Cationic amine nitrogen content exceeding 2% by weight;
• Any method resulting in inhalation exposure;
• Failure to capture and destroy all vapors/aerosols/dusts/mists containing the substance through engineering controls (e.g., thermal oxidation) with destruction efficiency below 98%;
• Use in consumer products;
• Release to surface water resulting in total concentration of the 12 substances exceeding 11 ppb (9 ppb for P-24-121 alone);
• Failure to establish a hazard communication program.

Polyoxyethylene acrylate
CASRN: 478549-43-8

Paints, coatings, inks

• Failure to use PPE when dermal exposure is possible;
• Failure to wear a NIOSH-certified respirator (APF ≥ 50) when inhalation exposure is possible;
• Use in consumer products;
• Spray application using non-automated spray booths;
• Release to water;
• Failure to establish a hazard communication program.

Polyfluorinated sulfonium salts (potential PBT chemicals)

Photolithography

• Manufacture beyond the time limit specified in the order (9 months for P-25-98/99; 18 months for others) without submitting the required Tier I and Tier II testing;
• Failure to use PPE when dermal exposure is possible;
• Failure to establish a hazard communication program;
• Generation of vapors/dusts/mists/aerosols in non-enclosed processes;
• Use for purposes other than the confidential uses listed in the order;
• Domestic manufacture (importation only);
• Failure to dispose of waste via incineration in compliance with RCRA Subtitle C;
• Importation in non-solution form (unless in sealed containers ≤5 kg);
• Import volume exceeding the confidential annual quantity listed in the order.

Aromatic sulfonium salts/iodonium salts (5 substances) (potential PBT chemicals)

Photolithography/electronics industry

• Domestic manufacture (importation only);
• Importation in non-solution form unless in sealed containers with single-unit weight ≤5 kg;
• Import volume exceeding the confidential annual quantity listed in the order;
• Manufacture beyond the time limit specified in the order (9 months for P-25-98/99; 18 months for others) without submitting the required Tier I and Tier II testing;
• Use for any purpose other than the confidential uses listed in the TSCA order;
• Generation of vapors/dusts/mists/aerosols in non-enclosed processes;
• Failure to use PPE when dermal exposure is possible;
• Failure to implement engineering or administrative controls (e.g., enclosure, ventilation) to prevent worker exposure;
• Failure to dispose of waste via incineration in compliance with RCRA Subtitle C.