Concrete Products

Elizabeth Duan

Prior to joining PEER, Elizabeth coordinated events for the nonprofit Women’s Learning Partnership and taught gender studies at Emerson Preparatory School. She has also taught writing at Sidwell Friends School Summer Camp, and organized with New Virginia Majority, Education Reform Now, and Democrats for Education Reform in the Washington, DC area. She received her bachelor’s degree from the University of Pittsburgh, where she studied political science and gender, sexuality, and women’s studies.

EPA affirms pH 12.5 corrosivity; averts new cement, concrete handling burdens

by Concrete Products | June 22, 2021
“The U.S. Environmental Protection Agency has formally denied a 2011 rulemaking petition that sought to “revise the regulatory threshold for defining waste as corrosive from the current value of pH 12.5, to pH 11.5; and expand the scope of the Resource Conservation and Recovery Act ...
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