The U.S. Environmental Protection Agency (EPA) announced on March 24, 2022, that it will issue the Test Orders for the evaluation of 8 out of 20 chemicals by TSCA under Section 4 of the Toxic Substances Control Act (TSCA) to obtain additional data of them

They announced that additional information is needed to develop and study the information on avian and aquatic environmental hazards and consumer exposure.

The chemical that is under study include the following:

• Chlorinated Solvents:

  • 1,1,2-Trichloroethane;
  • 1,2-Dichloroethane; 
  • 1,2-Dichloropropane; 
  • Trans-1,2-Dichloroethylene;
  • o-Dichlorobenzene; and 
  • p-Dichlorobenzene; 

• Flame Retardants: 

  • 4,4ʹ-(1-Methylethylidene)bis[2,6-dibromophenol] (TBBPA); and 
  • Phosphoric acid, triphenyl ester (TPP). 

Businesses subject to test orders may provide EPA with existing data, if available, or may conduct new tests. 

EPA states that companies are encouraged to form consortia to consolidate costs and burdens and avoid unnecessary duplication of testing. 

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