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s <br /> PUBLIC h` EALTH SER� -T'CES <br /> SAN JOAQUIN COUNTY ?° ��oG <br /> 2 :Z <br /> ENVIRONMENTAL HEALTH DIVISION y; _ <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Off* <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, C C521 -0 ' • cgi;FORii P <br /> 209/468-3420 <br /> PEGGY MARSHALLMAILED UEC 13 1995 <br /> COORDINATOR OF BUSINESS SERVICES <br /> PO BOX 32 <br /> MANTECA CA 95336 <br /> RE: Manteca Unified School District SITE CODE: 1958 <br /> 2901 East Louise Ave <br /> Lathrop CA 95330 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has <br /> completed review of the "Third Quarter, 1995 Status Report and Soil Sampling Plan" dated <br /> September 22, 1995 and prepared by Smith Environmental. PHS/EHD has the following <br /> comments for your consideration. <br /> The results of the July 3, 1995 groundwater sampling event indicated detectible <br /> concentrations of petroleum hydrocarbons. Groundwater monitoring should continue on a <br /> quarterly basis. <br /> i <br /> An`estimate of the extent of residual soil contamination was included; however,.PHS/EHD <br /> does not agree with this estimate. Please note that additional contamination was <br /> evidenced which did not appear to have been taken into account during the calculation of <br /> the extent of residual contamination. <br /> Please proceed with the characterization of the excavated soil excavation and currently <br /> stockpiled on site. PHS/EHD agrees with the proposed sampling frequency of one discrete <br /> sample per 50 cubic yards of soil to be lab composited 2:1 . <br /> Please notify Mary Meays at (209) 468-0337 at least two working days prior to the <br /> sampling event, so that an inspection can be scheduled. <br /> Donna Heran, Director REHS <br /> Environmental Health Division <br /> Mary Meays, Senior REHS Diane M. Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> MM\2901 LOU <br /> cc: Elizabeth Thayer, CVRWQCB <br /> cc: Jeanne Homsey, Smith Environmental <br /> A Division of San Joaquin County Health Care Services <br /> k <br />