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New Emerging Chemicals Of Concern (PFOA, PFAS, and Others)

Basic Information on PFAS What are PFAS? Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that includes PFOA, PFOS, GenX, and many other chemicals. PFAS have been manufactured and used in a variety of industries around the globe,...

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The View From Inside A Horizontal Air Sparge Well

Horizontal wells can remediate a large area with a single well where dozens or more vertical wells might be necessary to do the same job. This can be a huge advantage where a contaminant plume may be difficult to reach with traditional vertical wells or direct push...

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California Water Systems to Provide Lead Testing For Schools

SACRAMENTO – In an effort to further safeguard California’s water quality, K-12 schools in the state can receive free testing for lead under a new initiative announced today by the State Water Resources Control Board. The Board is requiring all community water...

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New Phase I ESA Standard for 2014

The American Society for Testing and Materials (ASTM) recently published a revision to the EPA certified standard for Phase I Environmental Site Assessments (ESAs).  The new standard, ASTM E-1527 13, was released on November 6th, 2013 and approved by the US EPA in...

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New California Environmental Reporting System (CERS)

Effective January 1, 2013, all businesses required to submit Hazardous Materials Management Plans (HMMPs) and other hazardous materials related documentation to Certified Unified Program Agencies (CUPA), must now submit their annual reporting through the new...

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UST Low-Threat Closure Policy

The State Water Resources Control Board (SWRCB) recently adopted the Low-Threat Underground Storage Tank Case Closure Policy (Low-Threat Closure Policy), effective August 17, 2012.  The Low-Threat Closure Policy specifies that in the absence of unique attributes of...