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Chronology page 3 <br /> Regal/Wickland Oil #603 <br /> 6425 Pacific Ave, Stockton. <br /> June 5, 2000 No Further Action paperwork completed. Request for <br /> concurrence (30-day letter) sent to CVRWQCB. <br /> July 18, 2000 CVRWQCB rejects NFA request and requires further <br /> groundwater investigation to East, offsite. <br /> March 13, 2001 WEGE submits work plan for offsite soil borings/CPTs in City of <br /> Stockton right of way. <br /> April 26, 2001 Work plan approved by PHS-EHD on 3-19-01 enacted today <br /> and SB-8, 9, & 10 and CPT#1 and CPT#2 installed today. ! <br /> June 8, 2001 WEGE submits report of findings for April 26, 2001 field <br /> sampling event. Groundwater samples collected from top (48'- <br /> 52' bgs) and bottom (84'-88') of"A" zone and from the top (94'- <br /> 98' bgs) and bottom (116'-120') of the "B" zone. TPH-g and <br /> Benzene non-detect from all zones. MtBE in "A" zone only and <br /> at 18 pg/I in the top and 1.2 µg/I in the bottom zone of the "B" <br /> aquifer. WEGE concludes NFA is warranted and requests wells <br /> allowed to be destroyed. <br /> r <br /> June 20, 2001 CVRWQCB accepts conclusion for NFA in LOP meeting and <br /> requests resubmittal of NFA documents. <br /> July 19, 2001 Updated Case Closure Summary, Chronology, and modified <br /> "30-day letter" re-submitted to CVRWQCB. <br /> i <br /> i <br /> t <br /> r <br /> pi <br /> I <br />