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• - ••� Lar ct V11YeE' IjD20 <br /> Sequoia W4 Ranke Drive I Redwood City,SCA 9463 (65D)364-%W FAX(6501 964-92 33 <br /> j iA"Laee Walnut Creek CA 94598 (925)988-9600 FAA(925)988-9673 <br /> a1 1 819 Striker Avenue.Sulte 8 Sactamerto,CA 45934` (916)921-960D FAX(916)92l-*too <br /> �/�, Ca� 1455 AUDOwer Uhl North.Ste D Petaltena.CA 94954 (707)792-ta65 FAX(707)792-0342 <br /> 1551 IredusWal Road San CaFfM CA 94070.4111 (650)232-9600 FAX(650)232-9612 <br /> ATC Associates, Inc. Client Project I : AT&T Lodi a1059.0019 <br /> 1117 Lone Palm Avenue <br /> Modesto, CA 9531-1502 <br /> Attention: David Oliver OC Sample Group: 9903145-01-07 Reported: Mar 9, 1999 <br /> QUALITY CONTROL LATA REPORT <br /> Metrix: Solid <br /> Mathed: EPA 8015M <br /> Analyst: J.BONNVILLE <br /> ANALYTE Diesel <br /> CIC Batch#: 00030499ONSPEXC <br /> Sample No.: 9902D36-1 <br /> Data Prepared: 311/99 <br /> Dm Atwrlyaed: 312/99 <br /> Irwournwa I-D.#: GCHP4A <br /> Sample Cone.,mg/Kg: 1.3 mg/Kg NIS& MSD ARE REFFERED <br /> Conc.Spiked,mg/Xg: 17 FR 'M GwC0301990HBPEXC <br /> Mauro Spike,mg/Kg: 14 <br /> % flocavary: 75 <br /> IYlatrilt <br /> Spike Duplicate,mg/Kg: 15 <br /> % Recovery: 81 <br /> Reiathm%Difference: 7.7 <br /> RPD Control Limits: q 6q <br /> LCS Batch#: OLK030499CS <br /> Date Prepared: 314/98 <br /> Date Analyzed: 314/99 <br /> Inatrpme rt LD 4: GCHP5A <br /> Conc. Spiked,mg1K9: 17 <br /> Recovery,m9/1(g: 15 <br /> LCS % Recovery: Be <br /> Percent Recovery Control LBnilft: <br /> MSIMSD 54160 <br /> LCS 64140 <br /> Guality Assurance Statement: Ag standard operating procedures and gluality oon#rol requirements have been met. <br /> Please Hove: <br /> The LCS Is a control sample 4f kin wn,interferent free matrix that in aralyzed umng the some rougema. <br /> SEQUOIA ANALYTICAL praparetian,and onaly8col methods a91 ll oW far On samplm The m&Hx aplhe Is an aliquas of sample <br /> fortiCred with known quantities of spa Ric compounds and su*ctsd to the antire snaiytieal procedure, if <br /> the recovery of analytes from them ix spam does not fall witldrr specified control limbs due to matrix <br /> iataderenee,the LCS rewyerr k to bg 1 used to validate the hatch. <br /> Kayv myai <br /> Ct Manan <br /> r�,y. <br />