Abstract
Two new members of the US Chemical Safety and Hazard Investigation Board (CSB) were confirmed by the Senate on Dec. 9. The five-member board had been hamstrung, operating with a single member since April 2020. The new members are Sylvia Johnson, an epidemiologist with labor union experience, and Stephen Owens, an attorney and former federal and Arizona state regulator who focused on environmental, safety, and health issues. President Joe Biden also nominated Jennifer Sass, a senior scientist and toxicologist with the Natural Resources Defense Council, an environmental nonprofit organization, to the CSB. Sass faced criticism from Republican senators during her confirmation hearing in September. Her nomination was not brought up with those of Johnson and Owens for consideration by the Senate. The three have chemical science, human health, and regulatory expertise, but none have worked in the chemical industry. CSB members have often been former industry employees with engineering backgrounds.
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