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f� <br /> PUBLIC <br /> SH ALTH ERVIC�S <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> .x <br /> Karen Furst, M.D., M.P.H., Health OfficergN <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> JOHN & MAXINE FERRAIOLO C 00 <br /> po sox 757 <br /> FEB 2 5 ZOOQ <br /> LODI CA 95241 <br /> RE: HARRY'S AUTO MART SITE CODE: 1306 <br /> 2662 N WILSON WY <br /> STOCKTON CA 95205 <br /> On February 22, 2000, a soil boring (SB-1) as proposed in Workplan for Subsurface Investigation dated <br /> October 13, 1999 prepared by Ground Zero Analysis,Inc.was advacned at the above-referenced site. <br /> Strong to moderate petroleum hydrocarbon odor was present in all soil samples collected at 10 feet <br /> below surface grade (bsg) to 79 feet bsg. The flame-ionization detector (FID) screening results of - <br /> headspace of soil samples from 10 feet bsg to 60 feet bsg were all above the detection limit of the FID at <br /> 10,000 parts per million (ppm). First groundwater was observed at approximately 50 feet bsg. <br /> After discussions with Sean Garvey of Groundzero, San Joaquin County Public Health Services, <br /> Environmental Health Division (PHS/EHD) directed the soil boring be converted to a monitoring well <br /> since it would be the most cost-effective approach. Sean Garvey decided to install a 20-foot screen <br /> section for the monitoring well from 45 feet bsg to 65 feet bsg with the sand pack from 43 feet to 65 feet <br /> bsg. <br /> On February 23, 2000,depth to water was measured at 44 feet bsg in the monitoring well (MW-1). In a <br /> telephone conversation with Greg Stahl of Groundzero,PHS/EHD recommended MW-1 be developed <br /> and a groundwater sample be collected and submitted for analyses by March 3, 2000 before groundwater <br /> could rise further above the top of the screen. PHS/EHD also recommended collecting and analyzing a <br /> groundwater sample from the monitoring well in the street (Wilson Way) next to this site. The well <br /> (MW-7)was originally installed by SOTA Environmental Technology,Inc. as a part of a Local <br /> g <br /> ro <br /> Oversight Program investigation for U-Haul Moving Center located across Wilson Way from this site. <br /> g g <br /> Permission for accessing this well should be obtained from U-Haul. <br /> Please contact Jeffrey Wong at (209) 468-0335 if you have any questions. <br /> Donna Heran,REHS,Director <br /> Environmental Health Division <br /> s <br /> Jeffrey Wong, REHS Margare agorio,REHS <br /> LOP/Site Mitigation Unit IV Supervisor <br /> c: RWQCB, Central Valley Region-Marty Hartzell <br /> c: Groundzero-Greg Stahl <br /> i <br /> A Division of San Joaquin County Health Care Services <br />