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r • • <br /> Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE, RICHMOND, CA 94806 PHONE (510( 222-3002 FAX (5 10) 222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. E 750 <br /> J . Received: 10/31/91 <br /> Reported: 11/01/91 <br /> NOV 2 2 .rte1 Job # : 72977 <br /> Attn: Tish Resch <br /> Public Health Services ENVIRONMENTAL HEALr,i <br /> of San Joaquin County PERMIT/SERVICES <br /> 445 North San Joaquin <br /> Stockton, CA 95201 <br /> Project: B.P. Stockton <br /> Matrix: Soil <br /> Aromatic Volatile Hydrocarbon Analysis <br /> EPA Method 8020 <br /> mg/Kg <br /> Lab ID Client ID Benzene MDL Toluene MDL <br /> 72977-1 1030TA0101 0. 047 0. 005 0. 087 0. 005 <br /> 72977-2 1030TA0102 0. 024 0. 005 0. 012 0. 005 <br /> 72977-3 1030TA0103 0. 10 0. 005 0. 05 0. 005 <br /> 72977-4 1030TA0201 0. 155 0. 005 0. 016 0. 005 <br /> 72977-5 1030TA0202 ND<0. 005 0. 005 0. 005 0. 005 <br /> 72977-6 1030TA0301 0. 051 0. 005 0. 055 0. 005 <br /> Ethyl- <br /> Lab ID Client ID benzene MDL Xylenes MDL <br /> 72977-1 1030TA0101 ND<0. 005 0. 005 0. 060 0. 005 <br /> 72977-2 1030TA0102 ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72977-3 1030TA0103 ND<0. 005 0. 005 0. 220 0. 005 <br /> 72977-4 1030TA0201 ND<0. 005 0. 005 0. 045 0. 005 <br /> 72977-5 1030TA0202 ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72977-6 1030TA0301 0. 009 0. 005 0. 076 0. 005 <br /> QA/QC: Spike Recovery for Benzene: 87% <br /> Spike Recovery for Toluene: 103% <br /> Spike Recovery for Xylene: 99 - <br /> MDL: Meth d Detection Limit. Compound below this level would not be <br /> detected. <br /> 'SIL <br /> J e C ow <br /> Laboratory Director Page 1 of 2 JC/td <br /> OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />