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EPA today released updated interim drinking water health advisories for PFOA and PFOS.  The health advisory level was previously 70 ppt (parts per trillion) for the total of PFOA and PFOS.  The updated interim health advisory levels are now 0.004 ppt for PFOA and 0.020 ppt for PFOS, three orders of magnitude lower.  EPA’s health

EPA recently issued an Enforcement Alert to owners and operators of metal recycling facilities about high levels of VOC emissions that have been identified at a number of large shredders.  The issue of VOC emissions from metal shredders has not previously been well known or understood.  EPA is now publicly acknowledging the issue and, finally,

On December 18, 2020, the U.S. Environmental Protection Agency (EPA) released its Interim Guidance on the Destruction and Disposal of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) and Materials Containing Perfluoroalkyl and
Polyfluoroalkyl Substances (PFAS).  The Interim Guidance is not a rule or statement of policy, but presents currently available information on PFAS destruction and disposal, as

The ink is barely dry on the reclassification of the Chicago ozone nonattainment area from moderate to serious, under the 2008 ozone National Ambient Air Quality Standards (NAAQS), and the Illinois Environmental Protection Agency (IEPA) intends to seek redesignation to attainment.  According to IEPA staff, the agency has data supporting a request for redesignation to

The U.S. Supreme Court on Monday stated that it would review a case filed by property owners in Montana state court seeking restoration damages that were beyond the clean-up activities required by the U.S. Environmental Protection Agency (EPA) under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).  In the case, Atlantic Richfield Co. v.

The U.S. Environmental Protection Agency (EPA) released a decision last week stating that revisions to the federal regulations for the management of wastes from the exploration, development, and production of crude oil, natural gas, and geothermal energy (i.e. oil and gas wastes from hydraulic fracturing and directional drilling) are not necessary at this time.  EPA

The Chicago-Naperville, IL-IN-WI ozone nonattainment area failed to attain the 2008 ozone NAAQS by the attainment date of July 20, 2018.   The area, which is currently classified as “Moderate” for the 2008 ozone NAAQS, will automatically be bumped-up to a “Serious” classification upon the effective date of the final reclassification notice.  The Chicago area joins