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12/04/91 11:58 $415 822 5290 PRECISION LAB •.. INT' L TECHNOLOGY Z010 <br /> Precision Analytical Laboratory, Inc. <br /> A]36 LAKESIDE DRIVE, RICHMOND, CA 9A806 PHONE (510) 222-3002 FAX (5 10) 222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. E 750 <br /> Attn: Sydney Mills Received: 11/27/91 <br /> I.T. Corporation Reported: 12/04/91 <br /> 4585 Pacheco Boulevard Job 73059 <br /> Martinez, CA 94553 <br /> Project: B. P. - March Lane <br /> Matrix: soil <br /> Analysis Method EPA 6010 <br /> Preparation Method 3050 <br /> mg/Kg <br /> Lab ID 73059-5 73059-6 <br /> Client ID: 11269ISS5112691S I Spike <br /> S6 MDL <br /> METAL <br /> S,7--LC- <br /> Thallium ND<4 . 7 ND<4 .7 4 . 7 <br /> Arsenic ND<4 . 8 93N0<4 . 8 4. 8 89 <br /> Mercury ND<3 .75 ND<3 .75 3 . 75 88 <br /> Selenium ND<1. 65 ND<1. 65 1. 65 79 <br /> Molybdenum ND<1. 25 ND<1.25 1. 25 76 <br /> Antimony f ND<3 . 25 ND<3 . 25 3 . 25 <br /> Zinc 30. 0 a-so 31. 0 150 108 <br /> Cadmium . 92 <br /> ND<1. 25 ND<1. 25 1. 25 87 <br /> Lead ND<3 . 00 ND<3 . 00 3 . 00 <br /> Cobalt 90 <br /> Nickel 7 .8o 1?0 9.70 1. 00 88 <br /> ND<1. 50 <br /> Chromium 21. 0 0 ND<1. 50 1.50 72 <br /> Vanadium 23 , 0 1. 00 89 <br /> Beryllium 32. 5 35. 5 1. 25 94 <br /> Copper ND<1. 25 ND<1. 25 1. 25 91 <br /> 28 .0 Z 5 27. 5 <br /> Silver 1.25 88 <br /> ND<2. 75 ND<2 . 75 2 . 75 100 <br /> Barium 113 10 128 0.75 104 <br /> Preparation Method 3005 <br /> MDL: Method Detection Limit. Compound below this level would not <br /> detected. be <br /> J&ize-tflow <br /> Laboratory Director <br /> JC/td <br /> OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE- CERTIFIED LABORATORY I' <br />