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BOARD OF TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT SERVING <br /> At Crow,Pres. San Joaquin County <br /> Earl Pimentel,Vice Pres. 1601 East Hazelton Avenue City of Manteca <br /> Tommy Joyce,Sec'y Stockton, California 95205 City of Escalon <br /> James F Culbertson City of Lodi <br /> ' John D Mast,M D JOGI KHANNA, M D, UAP H. DISTRICT HEALTH OFFICER City of Tracy <br /> Virginia Mathews City of Ripon <br /> Thomas Schubert D V M San Joaquin County <br /> Daphne Shaw City of Stockton <br /> ' Harvey Williams,PhD San Joaquin County <br /> .Tune 23, 1989 <br /> Victor Farhou d/John Bourdon <br /> P.D. Box 6754 <br /> Modesto, CA 95355 <br /> ' RE: Preliminary Assessment Report: 1405 S. MC Henry, Escalon <br /> Please be advise that this office has reviewed the above referenced report. <br /> We have found the report to inadequate as the following considerations are not <br /> addressed. <br /> 1. The workplan submitted December 30, 1988 and reviewed by San Joaquin <br /> Local Health District stated that soil samples at the bottom of the hole <br /> would be collected and submitted to the laboratory for analyses. The <br /> bottom of hole on borings 8 and 9 at 20 feet were not submitted for the <br /> recommended analyses. <br /> 2. The primary element of the investigation was diesel contamination; <br /> diesel was consistently found throughout the borings of 8 and 9. <br /> 3. Lab results for the waste oil borings were not included in the report. <br /> ' Due to the proximity of groundwater and consistent encountering of xylene and <br /> toluene petroleum constituents to a depth of 20 feet below the facility grade, <br /> a groundwater investigation is warranted. <br /> These concerns shall be addressed in a work plan for continued field <br /> investigative work. This workplan shall be submitted to San Joaquin <br /> Environmental Health Division and the Regional Water Quality Control Board of <br /> concurrent review no later than August 28, 1989. <br /> If you have any questions, please contact Diane Hinson of my staff at <br /> (289) 468-3450. <br /> Jogi Khanna, A.D. , MPH <br /> ' He h Off er , <br /> ' on Valinoti, Director <br /> Environmental Health Division <br /> 16 RV/DSH:ma <br /> cc: RWQCB--Region 5 Attn: G.L. Boggs <br /> ' ETS Environmental Attn: G. White <br /> Administration Clinical Services Environmental Health Public Health Nursing <br /> 468-3400 468-3830 468-3420 488-3860 <br /> Air Pollution Community Services Laboratory WIC <br /> ' 468-3470 488-3820 468-3480 468-3280 <br /> AIDS Information 468-3820 <br />