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In First, EPA Proposes To Use Strict IRIS Value For EtO In Air Toxics Rule

In an apparent reversal, EPA is for the first time proposing to use its conservative cancer risk value for ethylene oxide (EtO) in its recently released air toxics rule governing generic chemical manufacturing facilities, a defeat for chemical industry groups who have petitioned the agency to abandon use of the risk value for regulatory purposes.

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Industry Sees ‘Possible’ Alternative To Methylene Chloride In Paint Strippers

A chemical industry group has told California regulators that while it has found one “possible” safer alternative to methylene chloride in paint and varnish stripping products, it is not clear whether the alternative is safe enough to win state approval, highlighting the difficulty state and federal officials face as they seek to phase out such products.

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EPA proposes stricter emissions controls to curb ethylene oxide

The agency’s proposal to set stricter limits on chemical manufacturing plants’ ethylene oxide emissions is the first step in a two-pronged approach of actions to address exposure risks.

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EPA Plan Limiting EAB Could Complicate Citizen Group Permit Appeals

EPA is proposing rule changes that would limit the role of the Environmental Appeals Board (EAB), its administrative permit review body, likely complicating citizen groups’ efforts to challenge permits, while providing a new way for the agency’s general counsel and administrator to weigh in on legal disputes.

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PEER Eyes Suit After EPA Denies TSCA Petition To Ban Hydrofluoric Acid

A government watchdog group is weighing a lawsuit against EPA after the agency denied its petition seeking to ban the refinery chemical hydrofluoric acid (HF) under its Toxic Substances Control Act (TSCA) and Clean Air Act authorities, with the agency saying the group failed to provide sufficient facts to support a ban.

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Michigan delays action on PFAS MCLs

A state regulatory oversight board has delayed until Nov. 14 action on draft drinking water standards for seven perfluorinated chemicals, prompting outcry from environmentalists.

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EPA Releases Latest Draft TSCA Analysis As Reviewers Fault Earlier Studies

Racing to meet an extended June 2020 deadline to complete 10 chemical evaluations under the Toxic Substances Control Act (TSCA), EPA has released its latest draft risk analysis -- of a widely used solvent -- though it will almost certainly draw criticisms from peer reviewers who continue to criticize the agency’s risk methods.

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IG to review civil rights complaint compliance

The Office of Inspector General says it plans “to help identify potential discriminatory conduct on the part of recipient agencies, especially in overburdened communities.”

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NAS Panel Again Backs EPA’s Arsenic Analysis Plan But With Lone Dissent

A National Academy of Sciences (NAS) panel is largely backing EPA’s plan for its long-pending re-assessment of the risks of inorganic arsenic, a ubiquitous contaminant, reiterating calls for the agency to proceed with its dose-response analysis using new data that shows risks at low exposures while using controversial extrapolation techniques only at the lowest levels.

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EPA’s Waste Office Wrestles With Questions Over PFAS Final Disposal

Even as EPA grapples with policies governing legacy cleanup of per- and polyfluoroalkyl substances (PFAS), the agency’s Office of Resource Conservation & Recovery (ORCR) is wrestling with the best methods for disposal of wastes containing PFAS in response to questions pouring in seeking advice on the issue, a top official says.

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