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i Surerior <br /> p <br /> Analytical Laboratory <br /> f <br /> Analysis for CAM 17 Metals <br /> California Administration Code Title 22, Paragraph 66700 & EPA <br /> Methods SW-846 6010 & 7000 Series <br /> Quality Assurance and Control Data <br /> Laboratory Number 20843 <br /> Compound Sample SPK Level SPK Result Recovery Limits RPD <br /> conc <br /> For Soil Matrix (mg/kg) <br /> CA301 44 02 / 03 - Laboratory Control Spikes <br />' Antimony (SW-846 6010) 50 49/48 9 98/98 -75-125 0 <br /> Arsenic (SW-846 6010) 50 48 8/49 2 98/96 75-125 0 <br /> Barium (SW-846 6010) 50 49 9/49 7 100/99 75-125 1 <br /> Beryllium (SW-846 6010) 50 47 7/47 7 95/95 75-125 0 <br /> Cadmium (SW-846 6010) 50 48 8/49 1 98/98 75-125 0 <br /> Chromium (SW-846 6010) 50 50 2/50 1 100/100 75-125 0 <br /> Cobalt (SW-846 6010) 50 50 3/50 4 101/101 75-125 0 <br /> opper (SW-846 6010) 50 50 8/50 7 102/101 75-125 1 <br /> Lead (SW-846 6010) 50 49 4/50 99/100 75-125 1 <br /> Molybdenum (SW-846 6010) 50 48 4/48 8 97/98 75-125 1 <br /> Nickel (SW-846 6010) 50 51 2/51 4 _ 102/103 75-125 1 <br /> Silver (SW-846 6010) 50 50 1/50 2 100/100 75-125 0 <br /> Selenium (SW-846 6010) 50 48 5/48 3 97/97 75-125 0 <br /> Thallium (SW-846 6010) 50 49 7/51 1 99/102 75-125 3 <br /> Vanadium (SW-846 6010) 50 50 6/50 6 101/101 75-125 0 <br /> Zinc (SW-846 6010) 50 48 8/48 9 98/98 75-125 0 <br /> For Water Matrix (mg/L) _ <br /> CB021 44 04 / 05 - Sample Spiked 20843 - 11 <br /> Antimony (SW-846 6010) ND i 0 56R/0 61 56/61 75-125 9 <br /> Arsenic (SW-846 6010) 0 22 1 1 1/1 1 68/88 75-125 0 <br /> Barium (SW-846 6010) 1 8 1 2 7/2 8 90/100 75-125 11 <br /> Beryllium (SW-846 6010) ND 1 0 91/0 94 91/94 75-125 3 <br /> Cadmium (SW-846 6010) ND 1 0 92/0 96 92/96 75-125 4 <br /> Chromium (SW-846 6010) 0 31 1 1 2/1 3 89/99 75-125 11 <br /> Cobalt (SW-846 6010) 0 12 1 1 0/1 1 88/98 75-125 11 <br /> Copper (SW-846 6010) 0 24 1 1 2/1 2 96/96 75-125 0 <br /> Lead (SW-846 6010) 0 08 1 0 96/0 99 88/91 75-125 3 <br /> Molybdenum (SW-846 6010) 0 03 1 0 87/0 91 84/68 75-125 5 <br /> Page 5 of 7 <br />