Denka Eyes Options After EPA Again Rejects Call To Ease Chloroprene Value

A Louisiana chemical maker is “evaluating its options” after EPA again rejected its bid to loosen the 2010 Integrated Risk Information System (IRIS) toxicity value for chloroprene, holding that its rationale for the previous denials “remains sound” though the company claims the assessment overstates cancer risks from its emissions of the chemical. “Denka Performance Elastomer [DPE] is disappointed in the U.S. Environmental Protection Agency’s continuing refusal to incorporate the best available science in its risk assessment of the chemical chloroprene,”...