EPA Names 40 Chemicals to be Evaluated for Risk

Safe chemical storage is critical to preserve their efficacy and safety. ( Sonja Begemann )

EPA Press Release:

The U.S. Environmental Protection Agency is publishing a list of 40 chemicals to begin the prioritization process - the initial step in reviewing chemicals in commerce under the amended Toxic Substances Control Act.

"EPA continues to demonstrate its commitment to the successful and timely implementation of the Frank R. Lautenberg Chemical Safety for the 21st Century Act," said EPA Administrator Andrew Wheeler. "We are delivering on the promise of Lautenberg to better assess and manage existing chemicals in commerce and provide greater certainty and transparency to the American public." 

"Initiating a chemical for high or low prioritization does not mean EPA has determined it poses unreasonable risk or no risk to human health or the environment; it means we are beginning the prioritization process set forth in Lautenberg," said Alexandra Dapolito Dunn, Assistant Administrator for EPA's Office of Chemical Safety and Pollution Prevention. 

The Agency is releasing this list in order to provide the public an opportunity to submit relevant information such as the uses, hazards, and exposure for these chemicals. A docket has been opened for each of the 40 chemicals. The publication of this list in the Federal Register initiates a 90-day public comment period. Publication also activates a statutory requirement for EPA to complete the prioritization process in the next nine to 12 months, allowing EPA to designate 20 chemicals as high priority and 20 chemicals as low priority by December 2019. 

TSCA requires EPA to publish this list of 40 chemicals to begin the prioritization process to designate 20 chemicals as "high-priority" for subsequent risk evaluation and to designate 20 chemicals as "low-priority," meaning that risk evaluation is not warranted at this time. 

One of the chemicals identified for high-priority evaluation is formaldehyde, a chemical that has been studied by EPA's Integrated Risk Information System (IRIS) program for many years. 

"Moving forward evaluating formaldehyde under the TSCA program does not mean that the formaldehyde work done under IRIS will be lost," added Dunn. "In fact, the work done for IRIS will inform the TSCA process. By using our TSCA authority EPA will be able to take regulatory steps; IRIS does not have this authority," she noted. 

When prioritization is complete, chemicals designated as high priority will begin a 3-year risk evaluation process to determine if the chemical, under the conditions of use, presents an unreasonable risk to human health and the environment. The designation of a chemical as a low priority means that further risk evaluation is not warranted at this time. 

The 20 high priority candidate chemicals include seven chlorinated solvents, six phthalates, four flame retardants, formaldehyde, a fragrance additive, and a polymer pre-curser. EPA has received a manufacturer request for a risk evaluation of two additional phthalates and is currently determining whether the request contains the minimum needed elements to proceed under EPA's regulations. If complete, EPA has 15 days to provide notice of such a request. 

The 20 low priority candidate chemicals have been selected from EPA's Safer Chemicals Ingredients List, which includes chemicals that have been evaluated and determined to meet EPA's safer choice criteria. 

The list of chemicals can be found here: https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/list-chemicals-undergoing-prioritization.

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