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ontrolr,CfState Water Resources Board ` <br /> .. <br /> i�"•i` J f4; f Jl, <br />{ John P.Caffrey,Chairman Pete Wilson <br /> Peter M.Rooney Governor <br /> Secretaryfor r" 1 it!' — f �'k <br /> Division of Clean Water Pro'g�ams �1 ��� <br /> Environmental 2014 T Street,Suite 130•Sacramento,California 95814•(916)«TECRPHONEii FAX(916)2 7-4530 <br /> i Protection Mailing Address: P.O.Box 944212•Sacramento,California•94244-2120 <br /> Internet Address: http:/lwww.swrcb.ca.gov/--cwPhomc/ustef/fund}ome.htrn <br /> !1 <br /> s September 29, 1998 <br /> i <br /> E ih <br /> Mr. Jonathan Marlowe ' <br /> Marlowe Properties <br /> P. O. Box 150211 <br /> San Rafael, CA 94915-0211 ` <br /> - <br /> PRE-APPROVAL OF CORRECTIVE ACTION COSTS, CLAIM NO. 43 . <br /> SITE ADDRESS: 4648 Waterloo Road,Stockton, CA. <br /> r <br /> I have reviewed your request,received on August 17, 1998, for cost pre-approval of corrective action costs; I will <br /> place these documents in your file for future reference. ' <br /> With the following provisions, the total cost pre-approved as eligible for reimbursement for completing the <br /> proposed corrective action work directed by the San Joaquin County Environmental Health Division (SJCEHD) j <br /> in their letter dated June 15, 1998, is $7,984.00 including: ! ! <br /> • Task 1 - One (1)Month Vapor Extraction/Air Sparging Pilot Test(includes all labor, equipment, <br /> laboratory and reporting costs): $7,984.00 �l}} <br /> NOTE: Only one (1)month of sve/air sparging pilot test is pre-approved at this time. Based on Fund staff <br /> experience, a six month pilot test appears excessive to determine the effectiveness of this remedial alternative. I <br /> Generally,pilot tests are 8 hour or.24 hour tests. However,Fund staffiunderstands that groundwater fluctuations <br /> at your site may have impacted the effectiveness of the sve/air sparging system demonstrated in the previous <br /> sve/air sparging pilot test. Although one(1)month of sve/air sparging pilot tests still appears excessive, Fund <br /> staff is pre-approving those costs on a one time only basis. Should the pilot test data support that the sve/air r <br /> sparging system isReffective at remediating your site,you may submit costs for-additional'system-operation to = - <br /> Fund staff for pre-approval. Be sure to include all information/data to,support additional system operation. <br /> Be aware that this pre-approval does not constitute a decision on reimbursement: all reasonable and necessary <br /> corrective action costs for work directed and approved by the SJCEHD will.'be eligible for reimbursement per ] <br /> the terms of your Letter of Commitment at costs consistent with those pre-approved in this letter. { <br /> • The actual costs and scope of work performed must be consistentwith the pre-approval for it to remain valid. <br /> 1 !' <br /> • The work products must be acceptable to the SJCEHD. <br /> • If a different scope of work becomes necessary,then you must request pre-approval of costs on the new <br /> scope of work. <br /> California Environmental Protectio Agency <br /> �� Recycled Paper <br />