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r " r: <br /> -; `�' <br /> K 1 N F ADER & ASS 0C:"IATFS <br /> (aLOIICIINI(�ALCUNSULTANTS . MATERIALSTESTIN(.: <br /> ENVIRON,%JLNTAL RESOURCES <br /> r'r,nn.twa P,%,k tAIVI,NOM 11 <br /> May 21, 1987 <br /> File: 24--2058-1 <br /> Sacramento Equipment Maintenance, Inc. <br /> 2533 Connie Drive <br /> Sacramento, California 95815 <br /> Attn: Linda Steiger <br /> SUBJECT: Soil Sampling at AT&T Facility, 157 West Turner Avenue„ <br /> Lodi, California <br /> Dear Ms. Steiger: <br /> oil Sampling program <br /> The f011owi.ng is a brief descriptionhes <br /> Kleinfelder & Associates at the AT&T <br /> implemented on May 14, 1987 by <br /> facility at 157 West Turner Avenue, Lodi, California. <br /> Briefly, the program consisted of collecting sail samples from an open <br /> excavation that once contained a diesel tank and from the excavated soil <br /> adjacent to the original tank location. <br /> .. SAMPLING AND SCREENING PROCEDURE <br /> the <br /> pen <br /> A backhoe was used to excavate <br /> excavation. This soil placedinalMasonljar rand the bed lhead mspace owas <br /> screened for petroleum hydrocarbon <br /> carbon constituents with a photoionization <br /> detector (PID). A sample was then collected for chemical analyses by <br /> driving a 6-inch brass tube into the soil in the backhoe bucket. <br /> In the open excavation sampling was performed along two vertical profiles <br /> ere <br /> ® d at depths <br /> on the opposite wall t18 feetvon�each verticalon-. Samples profile <br /> .eCAn additional <br /> of 8, 10, 12, <br /> isolated sample was collected at 15--foot depth. The samples submitted for <br /> 1Z- and 18-f <br /> chemical analyses were from the 18-foot i 'from ing 15efeet:pthsfrPlateci <br /> �# of the vertical Profiles, and the isolated same <br /> illustrates the sampling locations in the open excavation. Table 1 lists <br /> r� the sample locations, PID screening results, and samples retained. <br /> locati.ons were chosen to measure <br /> From the excavated soil, <br /> jour samplingAt <br /> i" the head space with the PID and collect samples in a brass tube•eep de tltish <br /> location samples were coleeC locations'dat l PID=screening tesults,dand samples <br /> Table 2 lists the sample Sampling loCaLiolls from the excavated <br /> retained. Plate 2 presents the p lr, with the highest PIA <br /> soil. From each of these sampling points, the camp <br /> -- - — <br /> - -- <br /> - reading-was submitted far-.chemical- analyses---- - --__--T <br /> '. .il 11kY 1111111 W.iiii.,e... .` r.......... . t.vi. \ /.. 13s., <br />