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12/04/91 11,57 $415 822 5290 PRECISION LAB --- INT' L TECHNOLOGY 16008 <br /> Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE, RICHMOND, CA 94806 PHONE (510) 222-3002 FAX (510) 222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. E 750 <br /> Received: 11/27/91 <br /> Attn: Sydney Mills Reported: 12/04/91 <br /> I.T. Corporation Job #: 73059 <br /> 4585 Pacheco Boulevard <br /> Martinez, CA 94553 <br /> Project: B.P. - March Lane <br /> Matrix: Soil <br /> California Wet Extraction <br /> Title 22 , EPA 3010 <br /> mg/L <br /> Lab ID # = 73059-1 73059-2 $ Spike <br /> Client ID• 1.12.691SS1 112691SS2 "D Recovery <br /> METAL <br /> ' Thallium <br /> ND<0. 47 ND<0. 47 0. 47 74 <br /> Arsenic ND<0. 48 ND<0. 48 0. 48 112 <br /> Mercury ND<0. 08 ND<0. 08 0. 08 93 <br /> Selenium ND<0. 16 ND<0. 16 0. 16 110 <br /> Molybdenum ND<0. 02 ND<0. 02 0. 02 93 <br /> Antimony * ND<0. 13 ND<0. 13 0. 13 86 <br /> ' Zinc 0.90 1. 45 0. 03 129 <br /> Cadmium ND<0. 02 ND<0. 02 0. 02 91 <br /> Lead ND<0. 06 ND<0. 06 0. 06 86 <br /> Cobalt 0. 60 0.78 0. 02 92 <br /> Nickel 0. 33 1. 00 0. 03 95 <br /> Chromium 0. 04 0. 10 0. 02 96 <br /> Vanadium 0. 57 0. 85 0. 02 93 <br /> Beryllium ND<0. 02 ND<0. 02 0. 02 92 j <br /> Copper 0. 67 1 . 00 0. 02 92 <br /> Silver * ND<0. 11 ND<0. 11 0. 11 ill <br /> Barium 8. 80 10. 8 0. 02 111 i <br /> Preparation Method 3005 <br /> MDL: Method Detection Limit. Compound below this level would not be <br /> detectTd. <br /> L <br /> Chou <br /> Laboratory Director JC/td <br /> Page 1 of 2 <br /> OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />