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PUBLIC HEALTH SERVIC'ES ,oPaU.1N ,co <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 �lfisa <br /> 2091468-3420 <br /> -)y <br /> MICHAEL BRITTON C (DrD <br /> CITY OF MANTECA <br /> 1001 W CENTER ST <br /> MANTECA CA 95336 FEB 112000 <br /> RE: City of Manteca Corp Yard SITE CODE: 0690 <br /> 210 E. Wetmore <br /> Manteca CA 95336 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) <br /> has reviewed the "Preliminary Site Investigation Work Plan" dated January 21, 2000 that <br /> was submitted by Advanced GeoEnvironmental, Inc. (AGE) on behalf of the above <br /> referenced site and has the following comments. <br /> On August 5, 1999 three 10,000-gallon underground storage tanks {UST) were removed <br /> from this site under permit and inspection by PHSIEHD. Six soil samples for analysis <br /> were collected from beneath the tanks and results Lvere positive for methyl tertiary butyl <br /> ether (MTBE) in three of those samples. The work,plan proposes to advance three <br /> direct push soil borings to collect soil and grab groundwater samples. The borings will <br /> be located to surround the former UST pit and current above ground tank area and are <br /> proposed to extend to 25-feet below surface grade (bsg), unless field observations <br /> indicate that they should be deeper. <br /> The work plan as submitted is approved with the condition that the three water samples <br /> collected are analyzed by EPA Method 8260. Please proceed with submittal of a San <br /> Joaquin County well permit application and required $89.00 permit fee. If you have any <br /> questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Lori Duncan, Senior REHS Marga t Lagorio, EHS <br /> LOP/Site Mitigation Unit IV Supervisor, Unit IV <br /> cc: Marty Hartzell, CVRWQCB <br /> Kevin McKibben, AGE <br /> Jeff Southern, California Hazardous Servic s <br /> A Division of San Joaquin County Health Care Services <br />