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BOARD OF TRUSTEES SAN JOAOUIN LOCAL HEALTH DISTRICT SERVING <br /> Al Crow,Pres. San Joaquin County <br /> Earl Pimentel,Vice Pres': 1601 East Hazelton Avenue City of Manteca <br /> Tommy Joyce,Secy. Stockton, California 95205 City of Escalon <br /> James F.Culbertson City of Lodi; <br /> John D.Mast,M.D. JOGI KHANNA, M.D., M.P.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,Ph.D. San Joaquin County' <br /> June 23, 1989 <br /> Victor Farhou d/John Bourdon <br /> P.O. Bo'x 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 /> (209) 468-3450. <br /> Jogi Khanna, .,M.D., MPH <br /> He h Offer , <br /> on Val,inoti, Director <br /> Environmental Health Division <br /> RV/DSH:m'a <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 /> e 468-3400 468-3830 468-3420 468-3860 <br /> Air Pollution '� Community Services Laboratory WIC <br /> 468-3470 468-3820 468-3460 468-3280 <br /> AIDS Information 468-3820 <br />