Soil & Groundwater E-Zine
March 2012

This Month´s Featured Articles, Papers & Reports
In situ remediation: enhancement technologies for remedial success
Vol 24 No. 1  Winter 2012 HAZMAT MANAGEMENT Magazine  REMEDIATION: IN SITU  pp 42-44 Fracture - emplacement of 140 tons of Zero Valent Micro-iron/cellulose substrate  into TCE- impacted sandstone bedrock at a former air force missile base site near Windsor, Colorado. Three dimensional mapping of ZVI fractures using tiltmeter geophysics.  Treatment results after 21 months show 94 % TCE mass reduction, in some areas below drinking water criteria.  
New Standard Defines Continuing Obligations Monitoring at Contaminated Sites to Retain Federal Liability Protection
The 2011 Brownfields Amendments[1] provide clarity on federal environmental liability protection to facilitate brownfields transactions, but until recently commercial property owners had little guidance on how to maintain liability protection when purchasing sites with continuing environmental monitoring and maintenance obligations.  The new ASTM Standard Guide for identifying and complying with continuing obligations (E2790-11) was released in June 2011 to develop a consistent voluntary approach ...
CETCO
CETCO’s Remediation Technologies provide cost-effective engineered solutions to challenging environmental projects worldwide in site remediation applications such as engineered remedial and mitigation barriers, sediment and soil capping, soil solidification and stabilization, water treatment, dewatering, and hazardous waste cleanup. Products include Liquid Boot® Vapor Mitigation Systems, Reactive Core Mat® In-Situ Sediment Treatment Material, Triton® Marine Mattresses, Organoclay® Organic Adsorbent Media, Bentomat® Geosynthetic Clay Liners, Sorbond® Solidification & Stabilization Agent, Quik-Solid® Superabsorbent Media, and Accofloc® Specialty Flocculant Aid.

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