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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> �o.•_ � . . .coG Unit Supervisors <br /> Donna K. Heran, R.E.H.S. Carl Bor man, R.E.H.S.: 304 East Weber Avenue, Third Floor Borg <br /> man, <br /> Mike Huggins, R.E.H.S., R.D.I. <br /> Al Olsen, R.E.H.S. Stockton, California 95202-2708 Douglas W. Wilson, R.E.H.S. <br /> • cqP • Program Manager Telephone: (209) 468-3420 Margaret Lagorio, R.E.H.S. <br /> Ci F oar' Laurie A. Cotulla, R.E.H.S. Robert McClellon, R.E.H.S. <br /> - Program Manager Fax: (209) 464-0138 <br /> Mark Barcellos, R.E.H.S. <br /> VINCE ERARDI <br /> ERARDI VENTURES <br /> PO BOX 691000 <br /> STOCKTON CA 95269 - 1000 <br /> RE: ERARDI VENTURES SITE CODE: 1229 <br /> 715 NORTH HUNTER ST <br /> STOCKTON CA 95269 <br /> WORKPLAN: Moniton Well Installation Work Plan <br /> DATED: May 22, 200Y , <br /> PREPARED BY: Advanced GeoEnvironmental Imc (AGE) <br /> APPROVED 9 Valid only if conditions below are met <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by : <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN (H&S <br /> 25299.37,subd. (c)(3) .): <br /> 1. Install 4 ground water monitoring wells to approximately 40 feet blow surface grade <br /> 2. Delineate the vertical extent of the contamination by advancing one deep soil boring to <br /> approximately 70 feet bsg or until petroleum hydrocarbons are no longer detected from <br /> 2 consecutive soil samples as determined by an organic vapor monitor (OVM) <br /> COMMENTS AND CONDITIONS: <br /> 1 . Historical groundwater low in the area is between 70 feet and 80 feet bsg. Minimum <br /> depth of the soil boring should be to 70 feet bsg regardless of detection by the OVM. <br /> 2. Contingency to advance the soil boring to below 70 feet bsg. San Joaquin County <br /> Environmental Health Department (EHD) considers vertical delineation in the soil be <br /> validated by at least 2 consecutive 5-foot samples of laboratory non-detect at below <br /> appropriate detection limits. <br /> 3. Continuously coxed the soil boring using acetate sleeves and collect grab water samples <br /> at significantly different litholgical units below the water table aquifer. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN (H&S 25299.37, subd.(C) (3) .): <br /> None <br /> Please contact Jeffrey Wong at (209) 468-0335 for all future inquires in regards to this site. <br /> DATED July 2 2002 BY Jeffrey C.F. Wong_ Sx. REHS C'��t 0 <br /> Cc: CRWQCB, Central Valley Region — Marty Hartzell lT <br /> Cc: AGE — Brian Millman <br /> V <br />