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ENVIRON`ME to HEALTH'DEPARTMENT <br /> oAqu.' SAN JOAQUIN COUNTY <br /> o� Unit Supervisors <br /> Donna K. Heran, R.E.H.S. <br /> Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> AI Olsen, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> • P - Program Manager Telephone: (209)468-3420 Douglas Wilson, <br /> a •.;:.:•�aMargarett Wilson, <br /> R.E.H.S. <br /> �! O Laurie A. Cotulla, R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McCtellon, R.E.H.S. <br /> Website:www.sigov.org/ehd/ Jeff Carruesco, R.E.H.S. <br /> TERRY TARDITI <br /> 11396 HWY 99 N <br /> LODI CA 95240 <br /> RE: T & T Trucking, Inc. Site Code: 1627 <br /> 11396 N. Hwy 99 Frontage Rd RO#: 538 <br /> Lodi, CA. 95240 CUF#: 015089 <br /> WORKPLAN: "Work Plan for Soil Vapor Extraction (SVE) Well <br /> Installation and SVE and Air Sparge Pilot Tests" <br /> DATED: October 24, 2005 <br /> PREPARED BY: Brown & Caldwell —Tina Bauer, RG. <br /> STATUS: APPROVED with conditions noted below. <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health & Safes <br /> Code (H&S) Section 25296.10(c)(3)1: <br /> • In phase One of Two phase approach, install two, 3-inch PVC, SVE wells to <br /> 60-feet below grade with 40-feet of screened interval and, <br /> • In phase Two, conduct soil vapor subsurface influence tests on new SVE <br /> wells and conduct an Air Sparge pilot test on existing MW-1 and, <br /> • Collect ground water samples before and after tests and, <br /> • Analyze groundwater samples for TPH as gasoline, BTEX, and Oxygenates <br /> (8260B), to include 1,2-DCA, EDB, and MtBE and, <br /> • Survey in new SVE wells and, <br /> • Submit report of findings to EHD. <br /> COMMENTS AND CONDITIONS: <br /> • Submit well permit application and $368. <br /> • Bridging concerns with +3-inch OD casing inside 8-inch hollow stem <br /> augers with only a 4-inch ID. Either use larger augers or smaller casing. <br /> EHD approves 2-inch casing in 8-inch augers or 3-Inch casing in 10-inch <br /> augers. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN IH&S Section 25296.10(c)(3)1: <br /> none. <br /> DATED: November 17, 2005 BY <br /> chael Infurna Jr., ROS. (A9) 468-3454 <br /> c: CVRWQCB —James Barton, Sacramento. <br /> c: SWRCB — CUF — Mark Owens, Sacramento. <br /> c: Brown & Caldwell — Tina Bauer, 2701 Prospect Park Dr, <br /> Rancho Cordova, 95670 <br /> IX] faxed to consultant on: <br />