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CERTIFICATE OF ANALYSIS <br /> Ana /ytica/ Laboratory <br /> Alonelay, November 01, 1999 <br /> TO: William Little <br /> Advanced Geo Env! ronmental, <br /> 4005 N . Wilson Way S301AH3S / lINH3d <br /> ` i Stockton , Ca . 95205 HZI`d3H Id1N3MNOHlAN3 <br /> 6661 Z Z AON <br /> Sample /irfornrnlion (13 /p 13 0 3 <br /> Sample ID: PE6245-02 Sample Type: Grab <br /> Sample Description: TK 3 C- 14' Project Name. Quick & Save 1901 So. Eldo <br /> Date/Time Sampled: 10/21 /99 1 :50: 00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/QCREPORT <br /> T Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzer/ Blank Colic. LCS% Colic. MS% MSD RSD <br /> i a Lead (Pb) EPA 6010 1 mg/Kg 29 01 -Nov-99 NO 0.02 91 .6% 0.02 114.4% 118.0% 0.8% <br /> f ) TPH-Gasoline EPA 8015M/DHS 1 mg/Kg 179 25-Oct-99 NO 0.5 96.0% 0.5 102.0% 90.07% 3.1 % <br /> II Methyl t-Butyl Ether (MtBE) EPA8260 5 ug/Kg 250 25-Oct-99 NO 40 87.5% 40 87,5% 105.0% 4.5% <br /> Diisopropyl ether (DIPE) EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 95.0% 40 95.0% 97.5% 0.6% <br /> f�- p 71i{ Ethyl-bbutyl ether (ETBE) EPA8260 5 ug/Kg ND 25-Oct-99 NO 40 90.0% 40 90.0% 97.5% 2.0% <br /> I . <br /> Tert-amyl methyl ether (TAME) EPA8260 5 ug/Kg 260 25-Oct-99 NO 40 100.0% 40 105.0% 102.5% 0.6% <br /> t-Butanol (TBA) EPA8260 5 ug/Kg 200 25-Oct-99 ND 40 87.5% 40 87.5% 85.0% 0.7% <br /> - Benzene EPA 8260 5 ug/Kg 5.0 25-1 ND 40 95.0% 40 137.5% 140.0%. 0.5% <br /> Toluene EPA 8260 5 ug/Kg 245 25-Oct-99 NO 40 95.0% 40 120.0% 130.0% 2.0% <br /> Ethyl Benzene EPA 8260 5 ug/Kg 860 25-Oot-99 ND 40 87.5% 40 102.5% 120.0% 3.9% <br /> Xylene, Total EPA 8260 5 ug/Kg 9300 25-Oct-99 ND 80 93.8% 80 143.8% 156.3% 2.1 % <br /> rng/L = milligrams per Liter = ppm DLR- Detcclion Linrit for the Purpose q/lleporting. RSD- represent relative percent di,ferent (RPDI between duplicates spike of.sarnples <br /> ug/f, = microgram per Liter = pph Lscepnnrral rumple mmrices or' inlerfererrecas mai n end! in or Duplicate of Sample <br /> C = Cnrrrpnsile (i = Grah higher lctcction finals XIS-NSD-meaerre (?f the percent iecmrrp e(�ciencies within the matrix <br /> LCS- measare of the percerr/ recovery of the Laboratory Control Spike (LI <br /> RESP 4C FUL� Y�TTED, <br /> _ _ <br /> Jonathan //rro V. Le, Laboratory Director <br /> f I <br /> I;: (iRd-Frrvirorurrenlal Proleclirnragenq• AleUrnd. Page l oft <br />