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i <br /> San Joaquin County DIRECTOR <br /> O O <br /> N Donna Heran, REHS <br /> OP. " . . . " ' O Environmental Health Department ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> '� (lRrilll ;u � Stockton , California 95202-3029 PROGRAM COORDINATORS <br /> .L149:1�. Carl Borgman , REHS <br /> Cq FOR P Website: www.s ov. or ehd Mike Huggins, REHS, RDI <br /> �a J9 / <br /> 9 Margaret Lagorio, REHS <br /> Phone: (209) 468 -3420 Robert McClellon, REHS <br /> Fax : (209) 464-0138 Jeff Carruesco, REHS, RDI <br /> Kasey Foley, REHS <br /> DANTE JOHN NOMELLINI <br /> NOMELLINI CONSTRUCTION <br /> PO BOX 1461 <br /> STOCKTON CA 95201 <br /> RE : Nomellini Construction Company Site Code : 1779124 <br /> 1045 W . Charter Way RO# :382 <br /> Stockton , CA. 95206 SWRCB-CUF#:000552 <br /> WORKPLAN : Additional Site Assessment Work Plan <br /> DATED : September 4, 2007 (corrections rec'd 9-17-07) <br /> PREPARED BY : Advanced Geo Environmental Inc (AGE) . — Wm . Little, P.G. <br /> STATUS : APPROVED with conditions noted below. <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health & Safety Code <br /> (H&S ) Section 25296 . 1 0(c)(3 )1 : <br /> Install three (3) deep (95' bgs), ( 2-inch , PVC monitoring wells onsite as <br /> required by the EHD to continue investigation for lateral and vertical plume <br /> delineation . <br /> • Collect and analyze selected soil samples for LUFT constituents of concern . <br /> Configure existing extraction well "EW-1 " for dual phase extraction (DPE) <br /> remedial testing and conduct five-day ground water/soil vapor extraction tests. <br /> Develop, survey in , and add new monitoring wells to existing quarterly <br /> sampling and monitoring requirements. <br /> • Submit a report of findings to the EHD . <br /> COMMENTS AND CONDITIONS : <br /> • Submit a Well Permit Application form and $383 fee immediately. <br /> • Report of findings to be in the format of a Site Conceptual Model (SCM ). The <br /> SCM shall include as many cross -sections as needed to ensure each and <br /> every boring/well/CPT is included in at least one cross-section. <br /> • Additionally, a formal explanation is to be included in the conclusion section <br /> that discusses the recent change in ground water flow direction, the <br /> significant rise in ground water concentrations of TAME and 1 ,2-13CA since <br /> July 2004, and the designation of the hydrological units at the site. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN [H &S Section 25296 . 10(c)(3)1 : <br /> • none. 1- - <br /> DATED: September 18 , 2007 BY ) " <br /> Michael Infurna , REH . (209) 468-3454 <br /> cc: CVRWQCB — James L . Barton , Sacramento. <br /> SWRCB — CUF — Mark Owens , Sacramento. <br /> AGE — Art Deicke , 837 Shaw Rd . Stockton 95215 <br />