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M:A M I DCONTINENT <br />2381 South Plaza Drive P.O. Box 3388 Rapid City, SD 57709 <br />(605) 348-0111 -- www.thechemistrylab.com <br />QC Sample Report <br />Page 1 <br />Lab Numbers: 20150622720 - 20150622720 <br />QC SMP <br />Parameter Lab# Value Value Spike DF Result Limits Method <br />Spike <br />Arsenic - D <br />0807210 <br />2.21 <br />< 0.005 <br />0.025 <br />100 <br />88.3 <br />% (82.60) - (116.0) <br />EPA 200.8 <br />Arsenic - D <br />0806206 <br />2.26 <br />< 0.005 <br />0.025 <br />100 <br />90.4 <br />% (82.60) - (116.0) <br />EPA 200.8 <br />Arsenic - D <br />0806204 <br />0.248 <br />< 0.005 <br />0.025 <br />10 <br />99.3 <br />% (82.60) - (116.0) <br />EPA 200.8 <br />Arsenic - D <br />0807210 <br />0.228 <br />< 0.005 <br />0.025 <br />10 <br />91.2 <br />% (82.60) - (116.0) <br />EPA 200.8 <br />Barium - D <br />0807210 <br />2.17 <br />0.013 <br />0.025 <br />100 <br />86.4 <br />% (85.18) - (103.3) <br />EPA 200.8 <br />Barium - D <br />0807210 <br />0.230 <br />0.013 <br />0.025 <br />10 <br />86.8 <br />% (85.18) - (103.3) <br />EPA 200.8 <br />Barium - D <br />0806204 <br />0.245 <br />0.015 <br />0.025 <br />10 <br />92.2 <br />% (85.18) - (103.3) <br />EPA 200.8 <br />Barium - D <br />0806206 <br />2.24 <br />< 0.050 <br />0.025 <br />100 <br />89.4 <br />% (85.18) - (103.3) <br />EPA 200.8 <br />Cadmium - D <br />0806206 <br />2.34 <br />0.034 <br />0.025 <br />100 <br />92.4 <br />% (81.57) - (112.7) <br />EPA 200.8 <br />Cadmium - D <br />0807210 <br />0.235 <br />0.010 <br />0.025 <br />10 <br />90.1 <br />% (81.57) - (112.7) <br />EPA 200.8 <br />Cadmium - D <br />0806204 <br />0.246 <br />< 0.000 <br />0.025 <br />10 <br />98.6 <br />% (81.57) - (112.7) <br />EPA 200.8 <br />Cadmium - D <br />0807210 <br />2.25 <br />0.010 <br />0.025 <br />100 <br />89.8 <br />% (81.57) - (112.7) <br />EPA 200.8 <br />Chromium - D <br />0806204 <br />0.235 <br />0.002 <br />0.025 <br />10 <br />93.3 <br />% (77.09) - (108.4) <br />EPA 200.8 DRC <br />Chromium - D <br />0807210 <br />2.38 <br />0.004 <br />0.025 <br />100 <br />95.0 <br />% (77.20) - (108.3) <br />EPA 200.8 DRC <br />Chromium - D <br />0806206 <br />2.40 <br />< 0.010 <br />0.025 <br />100 <br />96.0 <br />% (77.20) - (108.3) <br />EPA 200.8 DRC <br />Chromium - D <br />0807210 <br />0.228 <br />0.004 <br />0.025 <br />10 <br />89.6 <br />% (77.20) - (108.3) <br />EPA 200.8 DRC <br />Lead- D <br />0807210 <br />0.234 <br />0.001 <br />0.025 <br />10 <br />92.9 <br />% (82.92) - (113.0) <br />EPA 200.8 <br />Lead- D <br />0807210 <br />2.33 <br />0.001 <br />0.025 <br />100 <br />93.2 <br />% (82.92) - (113.0) <br />EPA 200.8 <br />Lead- D <br />0806206 <br />2.40 <br />< 0.001 <br />0.025 <br />100 <br />96.0 <br />% (82.92) - (113.0) <br />EPA 200.8 <br />Lead- D <br />0806204 <br />0.249 <br />< 0.001 <br />0.025 <br />10 <br />99.68% <br />(82.92) - (113.0) <br />EPA 200.8 <br />Selenium - D <br />0807210 <br />1.17 <br />< 0.005 <br />0.125 <br />10 <br />94.0 <br />% (86.26) - (116.2) <br />EPA 200.8 <br />Selenium - D <br />0806206 <br />11.7 <br />< 0.005 <br />0.125 <br />100 <br />93.9 <br />% (86.26) - (116.2) <br />EPA 200.8 <br />Selenium - D <br />0807210 <br />11.7 <br />< 0.005 <br />0.125 <br />100 <br />93.6 <br />% (86.26) - (116.2) <br />EPA 200.8 <br />Selenium - D <br />0806204 <br />1.28 <br />< 0.005 <br />0.125 <br />10 <br />102.5 <br />% (85.85) - (115.8) <br />EPA 200.8 <br />Silver - D <br />0807210 <br />0.219 <br />< 0.001 <br />0.025 <br />10 <br />87.6 <br />% (81.13) - (105.4) <br />EPA 200.8 <br />Silver - D <br />0806204 <br />0.233 <br />< 0.001 <br />0.025 <br />10 <br />93.3 <br />% (81.13) - (105.4) <br />EPA 200.8 <br />Silver - D <br />0806206 <br />2.24 <br />< 0.010 <br />0.025 <br />100 <br />89.5 <br />% (81.13) - (105.4) <br />EPA 200.8 <br />Silver - D <br />0807210 <br />2.25 <br />< 0.001 <br />0.025 <br />100 <br />89.8 <br />% (81.13) - (105.4) <br />EPA 200.8 <br />Mercury - T <br />0805106 <br />0.0020 <br />< 0.0002 <br />0.002 <br />1 <br />100.0 <br />% (88.18) - (112.0) <br />EPA 245.1 <br />Arsenic - TR <br />0625202 <br />0.228 <br />< 0.005 <br />0.025 <br />10 <br />91.0 <br />% (84.00) - (113.1) <br />EPA 200.8 <br />Arsenic - TR <br />0806201 <br />0.236 <br />< 0.005 <br />0.025 <br />10 <br />94.3 <br />% (85.96) - (106.6) <br />EPA 200.8 <br />Arsenic - TR <br />0806208 <br />2.27 <br />< 0.005 <br />0.025 <br />100 <br />90.6 <br />% (85.96) - (106.6) <br />EPA 200.8 <br />Barium - TR <br />0625202 <br />0.283 <br />0.050 <br />0.025 <br />10 <br />93.1 <br />% (91.20) - (106.8) <br />EPA 200.8 <br />Barium - TR <br />0806201 <br />0.248 <br />0.021 <br />0.025 <br />10 <br />90.7 <br />% (83.55) - (109.8) <br />EPA 200.8 <br />Barium - TR <br />0806208 <br />2.24 <br />< 0.005 <br />0.025 <br />100 <br />89.8 <br />% (83.55) - (109.8) <br />EPA 200.8 <br />Cadmium - TR <br />0625202 <br />0.229 <br />< 0.001 <br />0.025 <br />10 <br />91.7 <br />% (84.63) - (106.7) <br />EPA 200.8 <br />Cadmium - TR <br />0806201 <br />0.239 <br />0.000 <br />0.025 <br />10 <br />95.6 <br />% (86.76) - (102.5) <br />EPA 200.8 <br />Cadmium - TR <br />0806208 <br />2.43 <br />0.076 <br />0.025 <br />100 <br />94.4 <br />% (86.76) - (102.5) <br />EPA 200.8 <br />