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ENVIRONMENTAL HEALTH. DEPARTMENT <br /> PCU'" SAN JOAQUIN COUNTY <br /> Ronna K.Heran,R.E.H.S. Unit Supervisors <br /> g Carl Bar man,R.E.H.S. <br /> Director 304 East Weber Avenue, Third Floor <br /> ' Mike Huggins,R.E.H.S.,R.D.I. <br /> AI Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> c4i�Fo�i�'�P Program Manager <br /> Laurie A.Cotulla,R.E.H.S. Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> FILE COPS' <br /> MANUEL & MARY SANCHEZ <br /> 1633 W WALNUT STREET <br /> STOCKTON CA 95203 <br /> Former Underground Storage Tanks SITE CODE: 1844 <br /> 1876 Country Club Blvd ROM 0000474 <br /> Stockton, CA. 95203 SWRCB-CUF#: 1026 <br /> e <br /> WORK PLAN: "Well Installation and Groundwater Pumping and <br /> Treatment System Construction.' <br /> DATED: September 4, 2003 <br /> PREPARED BY: Western Geo-Engineers—Jack E. Napper, RG. <br /> STATUS: APPROVED,with conditions noted below <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25299.37 <br /> subd c 3 : <br /> • Install two 'clustered' sets of 2" PVC "A" zone and "B" zone wells (one set up- <br /> gradient, one set down-gradient)for continued lateral groundwater <br /> investigation and, <br /> • Submit report of findings to EHD. <br /> COMMENTS AND CONDITIONS: <br /> • Installation of the 4" excavation/groundwater recovery well "to upgrade the <br /> groundwater treatment system from a temporary system to a continuous pump <br /> and treatment system" is a remedial action and nota roved at this time. The <br /> 4" well may be installed as a 'replacement'monitoring well for MW-1 as <br /> required by EHD. <br /> se is to be in the context of a Site <br /> The report of findings for this pha <br /> Conceptual Model constructed from all data available for the site. <br /> REASONS FOR DISAPPROVAL OF THE WORK PLAN fH&S 25299.37 subd c 3 : <br /> Full remedial actions (groundwater pumping) must be evaluated for feasibility <br /> and cost-effectiveness and be approved by EHD. The site must have the <br /> lateral and vertical extents of the contamination delineated before advancing <br /> to an approved remedial action phase. The site is not delineated and a <br /> feasibility study has not been submitted to EHD. The proposal to conduct <br /> continuous groundwater um in%isot aroved at t tim .DATED: October 2,2003 Bichael J. Infuma Jr., nior LHS <br /> c: CVRWQCB—J.L.L. Barton, Sacramento. <br /> c: SWRCB—CUF—Mark Owens, Sacramento. <br /> C' WEGE—Jack Napper, 1386 E. Beamer St,Woodland, CA. 95776-6003 <br /> [X] Faxed to consultant on: 10 Y <br /> r <br />