Laserfiche WebLink
Metadata
Document management portal powered by Laserfiche WebLink 9 © 1998-2015 Laserfiche. All rights reserved.
• i <br /> AEI Project No. 337833 <br /> December 18, 2014 <br /> Page 4 of 5 <br /> summa canisters. Each canister will be individually checked, tested and certified by the <br /> laboratory for air tightness and proper vacuum prior to shipping. Prior to sampling, a vacuum <br /> gauge will be used to measure and record the initial summa canister vacuum pressure. Once <br /> sampling was conducted, each summa canister was sealed with a slight vacuum prior to <br /> sealing. <br /> Boring Destruction <br /> Following completion of sample collection and removal of tooling, the borings will be backfilled <br /> with neat cement grout as required by the permitting agency and completed at the surface with <br /> concrete to match the surrounding conditions. <br /> Investigation Derived Waste <br /> Any investigation derived waste will be left onsite in drums. Disposal will depend upon the <br /> receipt of the analytical results and upon client approval. <br /> Laboratory Analysis <br /> The groundwater samples will be labeled and placed into a cooler with ice following sampling. <br /> All of the samples will be transferred under appropriate chain-of-custody documentation to a <br /> state-certified laboratory. <br /> Laboratory analysis of two groundwater samples will consist of the following: <br /> • Nitrogen and Ammonia by EPA Method 350.1 <br /> • Nitrogen, Nitrate and Nitrite by EPA Method 353.2 <br /> • Volatile organic Compounds by EPA Method 8260 <br /> Laboratory analysis of three soil gas samples will consist of the following: <br /> • Volatile Organic Compounds by EPA Method TO-15 <br /> 5.0 Estimated Schedule <br /> Completion of this work is contingent upon approval of this work plan, receipt of approved <br /> drilling permits, and pending subcontractor availability. Work will be scheduled upon review of <br /> this work plan by San Joaquin County Environmental Health Department. It is expected that <br /> sample collection will occur shortly thereafter. Laboratory analytical results will be available <br /> within approximately one week following the sample collection. <br /> 6.0 Reporting <br />