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ENVIRONMENTAL HEALTHODEPARTMENT <br /> Pa�,N SAN JOAQUIN COUNTY <br /> Donna K. Heran, R.E.H.S. Unit Supervisors <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 /> eq<IFOR��a Progr°"` Manager Telephone: (209)468-3420 Douglas W. Wilson, R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Margaret Lagorio, R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellon. R.E.H.S. <br /> Website:WWW.Sjgov.Org/ehd/ Jeff Carruesco, R.E.H.S. <br /> JOSEPH EGER <br /> SIERRA LUMBER MANUFACTURERS <br /> P O BOX 6216 <br /> STOCKTON CA 95206 <br /> RE: 375 W. HAZELTON Ave. (CASE 2) Site Code: 1644 <br /> WORK PLAN: Additional Monitoring Well Installation Work Plan (Case 2) <br /> DATED: November 15,2005 <br /> PREPARED BY: AGE <br /> APPROVED: [X] <br /> DISAPPROVED: [ 1 <br /> ADDENDUM NEEDED: [ ] Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10 (c)(3)]: <br /> 1. To define the lateral and vertical extent of soil and groundwater contamination,two <br /> additional shallow MWs and two deeper MWs will be installed and sampled. <br /> 2. Soil and groundwater samples will be collected and analyzed for:TPH-Gas, BTEX, and <br /> gasoline additives including MTBE and 1,2 DCA. <br /> 3. After installation, MWs will be developed,surveyed and sampled quarterly. <br /> 4. A report of findings will be prepared and submitted to EHD and CVRWQCB for review and <br /> comment. <br /> COMMENTS AND CONDITIONS: <br /> 1. A deep MW is proposed in the former UST area where documented soil and groundwater <br /> contamination resides. To reduce the chance of cross contaminating the deeper hydro <br /> geologic unit, consider relocating the deeper MW downgradient immediately outside of the <br /> heavily contaminated soil source area. The deeper MW screens must be completed/set <br /> across permeable soil strata. If groundwater contamination is found in the deeper MWs, <br /> additional deep MWs may be required. <br /> 2. A permit application and fees must be submitted to EHD and the MWs installed by January <br /> 31, 2006. <br /> 3. The MWs must be developed, surveyed, and sampled within 2 weeks of installation and a <br /> report of finding submitted by March 31,2006. <br /> 4. All required information must be submitted electronically to the State Water Resources <br /> Control Board Geo-Tracker data base. <br /> DATED I a- l7/ O BY <br /> Ce: AGE Harlin Knoll, Senior REHS (209)468-3442 <br />