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E I <br /> PUBLIe HEALTH S �! R CE <br /> S <br /> a.u�M <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTHAAVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting ealth <br /> C5 <br /> 304 E.Weber Ave., 3rd Floor 0 P. O. Box 388 o Stockton, CA 52 1- 8 <br /> 209/468-3420 <br /> JERRY MOORE MAILED E_ <br /> MOORE PETROLEUM <br /> 5491 F STREET <br /> BANTA CA 95304 <br /> '`RE: Frank's Exxon #2 SITE CODE: 1464 <br /> 1399 E. Yosemite Ave. <br /> Manteca, CA <br /> San Joaquin County Public Health Servi*ces, Environmental Health Division <br /> (PHS/EHD) has reviewed the "Quarterly Groundwater Monitoring & Remediation Status <br /> Report" dated August 21, 1995, prepared by Apex Eni'virotech, Inc. , for the above <br /> referenced site. <br /> A "Chain of Custody" was not provided for the water samples collected on July 11, <br /> 1995. In addition, air samples were collected fro" <br /> m the vapor extraction unit on <br /> July 5, 1995 and the results of those analyses were not included in or discussed <br /> in the report. <br /> The report did not detail information on pulsing of the vapor extraction system, <br /> such as the organic vapor readings obtained when -;,the system is first restarted <br /> and how long the system is operated before beirig :4turned off again. <br /> Calculations on the current and total mass of hydrocarbons removed by the vapor <br /> extraction system are also not shown or discussed!. <br /> Please submit an addendum to this quarterly report I that contains all of the above <br /> information by September 25, 1995. In the future, all of this information should <br /> be included in quarterly reports. <br /> The report states that if water sample results remain below laboratory detection <br /> limits for TPH-gasoline and BTEX for 3 more quarter's that Apex will request site <br /> closure. Please be advised that confirmation soil sampling will be necessary <br /> prior to any request for closure. <br /> If you have any questions contact Margaret Lagorio at (209) 468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Margaret Lagorio, Lead Senior REHS Diane M4!. H*nsoni, REHS <br /> Site Mitigation Unit s�rrvisor <br /> ML <br /> A Division of San Joaquin County Health Care Services <br />