EPA’s Proposed Reconsideration of the Dust-Lead Hazard Standards and Dust-Lead Post-Abatement Clearance Levels
On August 1st, 2023, the U.S. Environmental Protection Agency (EPA) published a proposed rule to address health concerns for children who have high blood lead levels. The proposed rule would lower the dust-lead hazard standards (DLHS) from 10 micrograms per square foot (µg/ft2) and 100 µg/ft2 for floors and windowsills to require testing by an EPA-accredited program if any traces greater than zero of lead are found in the dust of floors or windowsills. Also, this proposed rule would change the Dust-Lead Clearance Levels (DLCL) from 10 µg/ft2, 100 µg/ft2, and 400 µg/ft2 for floors, window sills, and window troughs, respectively, to 3 µg/ft2, 20 µg/ft2, and 25 µg/ft2. This new DLCL will reflect EPA’s considerations of reliability, effectiveness, and safety, including non-health factors such as laboratory capabilities/capacity and achievability after an abatement. This proposed rule is a change from the EPA’s longstanding policy to set the DLHS and DLCL standards at the same level.
Comments are due on October 2, 2023.
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