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1 <br /> � . H KLEINFELDER & ASSOCIATES <br /> C1 CONSLIL1AIN TS . h1AIERIALS TESTING <br /> LNVIRONNIENTAL RESOURCES <br /> r 1 ill I`1 I 1AA Ilhl\k `l III I> <br /> »I <br /> IAvl .I.r 1 {.I tiff!- 1-14 <br /> rlr fir 1-111 <br /> March 4, 1987 <br /> File: 24-2053-1 <br /> Ms. Laurie Cotulla <br /> San Joaquin Local Health District <br /> 1601 East Hazelton Avenue <br /> P.O. Box 2009 <br /> Stockton, California <br /> SUBJECT: FOOD & LIQUOR STORE 76 MANTECA, CALIFORNIA <br /> Dear Laurie: <br /> The enclosed analytical results are for the soil samples collected at the <br /> Food & Liquor store located at 890 North Main Street, Manteca California <br /> (Plate 1 ) . Six soil samples were collected from beneath the two <br /> underground fuel storage tanks and pump island at the time of removal. <br /> The approximate location and depth that the samples were collected are <br /> . shown on Plate 2. The soil samples were analyzed for volatile aromatics <br /> (benzene, toluene, xylene) , total petroleum hydrocarbons, ethylene <br /> dibromide E.D.B. and total lead. <br /> SOIL SAMPLE SCREENING <br /> Approximately nineteen piles of soil have been removed from the tank <br /> excavation and were screened on February 26, 1986. A Photovac TIP using a <br /> photoionization detector (PID) was used to screen composite samples <br /> collected from the piles. The PIA was calibrated to 50 part per million <br /> (ppm) benzene. Eighteen composite samples were screened with the PID. <br /> Two types of composite samples were collected for screening. The <br /> composite samples were composed of either two samples from one pile or two <br /> samples from two piles. Field screening readings ranged from 5 to 190 <br /> parts per million per volume (ppmv), and are shown on Table 1. <br /> • <br /> It h 11 do d 1 1. ...lo"Ikr . •r 1 A u+ n hr nu �u 1 n r nr1 . I ridi.Id <br /> h fim rl 1 ua ♦I r rS . 1 1 it . r .h 1 �i r„r 1 <br />