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FILE N? Y <br /> PUBLIC FMALTH SERVICES <br /> SAN JOAQUIN COUNTY r. y <br /> ENVIRONMENTAL HEALTH DIVISION § ` <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> PEGGY MARSHALL FEB 0 9 2001 <br /> MANTECA UNIFIED SCHOOL DISTRICT <br /> P O BOX 32 <br /> MANTECA CA 95336 <br /> RE: MANTECA USD GROUNDS SHOP SITE CODE: 508217 <br /> 660 MIKESELL <br /> MANTECA CA 95336 <br /> San Joaquin County Public Health Services,Environmental Health Division (PHS/EHD) <br /> has reviewed Subsurface Soil and Gmundu aterlraestigttion atMUSD Grounds Shop dated January <br /> 11,2001 prepared by M.J.Kloberdanz&Associates. Analytical results of the soil samples <br /> collected from Geoprobe boring#3 (B-3) at 24 feet below surface grade (bsg) were 68 <br /> milligrams/kilogram(mg/kg) of Total Petroleum Hydrocarbons as diesel (TPH d). <br /> Analytical results of the grab water sample from B-2 were 540 micrograms/liter(µg/1) and <br /> from B-3 were 210 µg/l. <br /> The extent and mass of the contamination in the soil and groundwater has not been defined. <br /> Submit a work plan that will define the vertical and horizontal extent of the soil and <br /> groundwater contamination to PHS/EHD by April 20,2001. <br /> A 2000 feet survey for municipal,domestic,agriculture,industry and other wells is required <br /> before a site can be considered for closure. The survey must include a local map showing <br /> locations of the wells with appropriate labels and any known construction details of the <br /> wells. The well survey does not have to be a separate document and can be included in an <br /> investigation report or quarterly monitoring report. <br /> A copy of the Underground Storage Tank Cleanup Fund (Fund) application is enclosed. If <br /> you have any questions,please feel free to contact Jeffrey Wong at (209) 468-0335. <br /> Donna Heran,RENS,Director <br /> Environmental Health Division <br /> C" <br /> /effffreyWong,Senior RENS Margaret Lagorio,REHS <br /> LOP/Site Mitigation Unit IV Supervisor <br /> c: RWQCB, Central Valley Region-Marty Hartzell <br /> C. M.J.Kloberdanz&Associates -Michael Kloberdanz <br /> A Division of San Joaquin County Health Care Services <br />