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PUBLIC HEALTH SERfICES <br /> SAN JOAQ[;IN COUNTY Q ?, <br /> JOG] );HANNA \I.D.IN{.P 14 <br /> 13ealffi Officer `P" <br /> c4�ia p4=�A <br /> F.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton, California 95201 <br /> (209) 468-3400 <br /> JOHN BREUNER COMPANY <br /> 3250 BUSICRK AVE ;, ✓ `E ,� <br /> PLEASANT HILL CA 9532-4395 <br /> FEB 2 0 1992 <br /> ATTN: Mr. Peter M. Meier, Director- Real Estate <br /> RE: Breuners, Stockton Facility SM CODE: 1228 <br /> 7676 Pacific Ave <br /> Stockton, CA 95201 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has reviewed the <br /> report, "Evaluation of Petroleum Hydrocarbons in Soil" dated September 30, 1991, and has the following <br /> comments. <br /> The sampling on June 6, 1991 by Harding Lawson and Associates of the overexcavation of the soil at the <br /> dispenser island area was unwitnessed by PHS/EHD personnel and as such cannot be accepted as conclusive <br /> evidence for consideration for site closure. PHS/EHD is concerned that a 3.5 foot deep excavation was <br /> conducted and sample#91060606 and sample#91060607 were taken from only 1.5 feet and 2.0 feet below <br /> the surface at the southerly walls. The sampling did not provide analytical verification of the full extent of <br /> the excavation activity. <br /> In your support for site closure, we would recommend a sampling event take place that provides for <br /> adequate verification sampling of the horizontal and lateral aspects of the overexcavation. <br /> Please be informed the PHS/EHD inspections of sampling events are an important aspect of local regulatory <br /> oversight. Prior to any future sampling event,please contact Michael Infuma, REHS, at the number below <br /> 48 hours in advance. <br /> In addition PHS/EHD recommends that a"Leaching Potential Analysis"be completed(L.U.F.T.Manual,Table <br /> 2-1) for any contaminant detected by lab analysis that is proposed to be left in place. (i.e. sample <br /> #91060607 at 12 ppm TPH) <br /> PHS/EHD will review any proposal for additional work at the site as an addendum to your work plan <br /> #20264,004.02 from Harding Lawson and Associates, dated January 14, 1991. <br /> Please submit this addendum by April 1, 1992. if you have any questions please contact <br /> Michael Infurna, REHS, of my staff at (209) 468-3454. <br /> Jogi Khann , D., M.P.H. <br /> Health O r <br /> rie A Cotulla, RENS, Program Manager <br /> nvironmental Health Division <br /> LAC/MI:lb <br /> A Division of San Joaquin County Health(are Services <br />