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Barry H. Nicholson CERTIFICATE OF ANALYSIS <br /> Port of Stockton <br /> Frirlrr}s,January 29, 1999 <br /> 2201 W. Washington St. A <br /> Stockton CA. 952051 <br /> ru <br /> Sample Information r <br /> Cr 00 <br /> Sample ID: PE4138-01 Sample Type: Grab 0 M <br /> Sample Description: "Tank Site#9 Project Name: Site #9 <br /> Date/Time Sampled: 1/5/99 2:40:00 PM O <br /> p S(II1IplL'1�111t1"1-Y: X0115 <br /> ANALYTICAL RESULT QA/QCREPC]R7' <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Dilution Analyzed Blank Colic. LCS% Colic. MS% MSD RSD% <br /> Lead (Pb) EPA 6020 1 mg/kg 1.90 19 ND 20 X85.5% 20 90.0% 89.0% 0.3%° <br /> TPN-Diesel EPA 8015M/DHS 1 mg/Kg ND 1 ND 1 95.0% 1 98.0% 99.0% 0.3% <br /> Benzene EPA 8260 0.005 mg/Kg ND 1 WIT-,0 .�.. 9E 10 95.0% 92.0% 0.8% <br /> Toluene EPA 8260 0.005 mg/Kg ND 1 s ND 110 92.0% 10 90.0% 91.0% 0.3% <br /> Ethylbenzene EPA 8260 0.005 mg/Kg IND I �. E� ND 10 92.0% R10 96.0% 91.0% 1.3% <br /> Xylenes,Total EPA 8260 0.005 mg/Kg ND 1 ND 10 93.0% 10 91.0% 90.0% 0.3% <br /> NC) Methyl-t-Butyl.Ether(MtBE) EPA 8260 0.005 mg/Kg ND 1 ND 10 99.0% 10 92.0% 94.0% 0.5% <br /> to Diiso ro I ether DIPE EPA8260 0.005 m /K ND 1 ND 10 100.0% 10 98.0%099,0% <br /> 9. ° -° <br /> p py ( ) mg/Kg 99.0/0 0.3/° <br /> NEthyl-t-butyl ether(ETRE) EPA8260 0.005 mg/Kg ND 1 ND 10 91.0% 10 94.0% 95.0% 0.3% <br /> n Tert-amyl methyl ether(TAME) EPA8260 0.005 mg/Kg ND 1 ND 10 97.0% 10 96.0% 96.0% 0.0% <br /> U:y <br /> - <br /> t-Butanol (TBA) EPA8260 0.05 mg/Kg ND 1 ND 10 90.0% 10 94.0% 95.0% 0.3% <br /> i,-n TPH-Gas EPA8260 0.5 mg/Kg ND 1 M.� ND 1 98.0% 1 99.0% 97.0°1%� 0.5% <br /> N <br /> O <br /> tD <br />� r <br /> m <br /> N <br /> 4 �. <br /> cD <br /> W <br /> C11 <br /> EPA-Environmental Protection Agency Method. Page 1 of 2 <br /> SM-Standard Melhod far Exarninatiari of Water_1Pastervaler 18th Ed. <br />