Laserfiche WebLink
_ <br /> ON <br /> Aril 29 <br /> April , 1988 Harding Lawson ssaoala4em <br /> PW 88-4924.03 <br /> Mr. Hal Miller <br /> The Southland Corporation <br /> Page 8 <br /> Ground-water samples from all 11 four monitoring wells will be <br /> tested for the following constituents: <br /> �nstituent� �8Test Method <br /> TPH as gasoline <br /> 8015 <br /> Aromatic volatile organics 8020 <br /> In order to comply with the CVRWQCB requirement to test for <br /> ethylene dib,romide and total lead, water samples from wells <br /> MW--8 and MW-7 will also be analyzed for these compounds. <br /> These wells had the highest concentrations of petroleum <br /> j hydrocarbons. Ethylene dibromide will be analyzed in accor- <br /> dance with EPA Test Method 8010, and total lead concentra- <br /> tions will be determined by EPA Test Method 7421. <br /> j fl <br /> Q <br /> Task �� — En ee <br /> g �ing <br /> Feasibility Studv <br /> The feasibility study <br /> Part B <br /> and is specifi d in CVRWQCB requirementsafor the rt A dProblem, <br /> '. Assessment Report.FArt <br /> j <br /> ec i a Sc ee11ingr of Reined <br /> t at ves <br /> Part A will include descriptions and technical screening <br /> criteria for current technologies available for aril and I <br /> ground-water treatment. The following soil <br /> remediation al- <br /> ternatives will be considered for evaluation. ' <br /> r, Excavation followed by off-site disposal E <br /> , <br /> - Excavation followed by on-site aeration I <br /> Excavation followed by on-site or off-site land- <br /> i <br /> s farmn <br /> g-._. <br /> } Excavation followed by chemical 'oxidation <br /> Y - Excavation follawed.by incineration <br /> - In-situ soil venting } <br /> Ira-situ biodegradation <br /> n - No action <br /> F <br /> The following ground-water remediation alternatives will be <br /> considered for evaluation. <br /> is <br /> Air stripping, with or .without vapor phase carbon <br /> =IL=" 7 <br /> - Liquid phase activated carbon treatment <br /> - Biological treatment (in-situ or surface) <br /> rrlt <br /> ,,,jai <br />