EPA Report Links Hydraulic Fracturing and Drinking Water Contamination near Pavillion, WY

EPA has released a highly-anticipated report in which they claim there's a link between hydraulic fracturing for enhanced natural gas production and drinking water contamination in the area of Pavillion, Wyoming. Results of EPA's investigation may or may not be conclusive; however, the report does indicate that regional geological conditions must be taken into consideration whenever hydraulic fracturing is proposed. The report also supports Department of Energy recommendations for more extensive groundwater investigation before and after hydraulic fracturing activities, greater transparency on the chemical composition of hydraulic fracturing fluids, and greater emphasis on well construction and integrity requirements and testing. Read More>>

Vapor Pin Receives Pollution Engineering 2011 Editor's Choice

Cox-Colvin & Associates, Inc's Vapor Pin has received Pollution Engineering's 2011 Editor's Choice Award.  The Vapor Pin is a unique, patented, reusable sub-slab soil gas sampling device designed to eliminate many of the problems associated with traditional sub-slab soil gas sampling methods.  For more information on the Vapor Pin, click here.

California Sets Public Health Goal for Hexavalent Chromium

The State of California has set a public health goal (PHG) of 0.02 parts per billion (ppb) for hexavalent chromium (CR6), the first drinking water standard for the metal in the United States. The move by California is prompting calls for EPA to accelerate their pursuit of a national MCL for Cr6.
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EPA Proposes Sweeping Revisions to UST Regulations

EPA is proposing sweeping revisions to the 1988 40 CFR Part 280 underground storage tank (UST) regulations that will have far-reaching impact on all existing and new UST systems. While fuel distribution facilities ultimately will bear the greatest burden of these changes, the proposed revisions also will end the leak detection deferral for USTs used for fueling emergency power generators, field constructed tanks, airport hydrant systems, and wastewater treatment tanks not covered by Clean Water Act regulations. Read More>>

Ohio Vows to Leave National Association of Clean Air Agencies

Ohio has vowed to leave the National Association of Clean Air Agencies (NACAA) over non-consensus support of recent US EPA rule-makings and guidance. In addition, Ohio is spearheading the development of a competing group of state air officials. The NACAA currently represents air pollution control agencies in 53 states and territories and over 165 major metropolitan areas across the United States.
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California Releases Final Vapor Intrusion Guidance

In October 2011, the California Department of Toxic Substances Control (California DTSC) released the final version of their Vapor Intrusion Guidance. Many states have followed California's lead on vapor intrusion issues, and this could be a preview of EPA's final guidance, which is expected in 2012.
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