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pace, REP� Q R P O R A 1• E 0 ORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF OUAtITY <br /> Mr. Brian Thomas QUALITY CONTROL DATA May 24, 1993 <br /> f�- Page 14 PACE Project Number: 430513521 <br /> ' Client Reference- Exxon 7-3942 (EE) <br /> CAM METALS IN AQUEOUS MATRIX, ICP SCAN <br /> Batch: 70 21293 <br /> Samples: 70 0070295 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> Antimony (EPA Method 6010/200.7, ICP) mg/L 0.06 ND <br /> Barium (EPA Method 6010/200.7, ICP) mg/L 0.01 NO <br /> Beryllium (EPA Method 6010/200 7, ICP) mg/L 0.01 NO <br /> Cadmium (EPA Method 6010/200 7, ICP) mg/L 0.005 NO <br /> Chromium (EPA Method 6010/200 7, ICP) mg/L 0.01 NO <br /> Cobalt (EPA Method 6010/200 7, ICP) mg/L 0.01 NO <br /> Copper (EPA Method 6010/200 7, ICP) mg/L 0.01 NO <br /> Lead (EPA Method 6010/200.7, ICP) mg/L 0 1 NO <br /> I Molybdenum (EPA Method 6010/200.7, ICP) mg/L 0 02 NO <br /> I` Nickel (EPA Method 6010/200 7, ICP) mg/L 0.02 NO <br /> Silver (EPA Method 6010/200.7, ICP) mg/L 0 01 ND <br /> Thallium (EPA Method 6010/200 7, ICP) mg/L 0 2 NO <br /> 1 Vanadium (EPA Method 6010/200 7, ICP) mg/L 0 01 NO <br /> Zinc (EPA Method 6010/200.7, ICP) mg/L 0.01 NO <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Antimony (EPA Method 6010/200.7, ICP) mg/L 0.06 1 .00 93% 93% 0% <br /> Barium (EPA Method 6010/200 7, ICP) mg/L 0.01 1 00 99% 98% 1% <br /> Beryllium (EPA Method 6010/200 7, ICP) mg/L 0.01 1 00 107% 105% 1% <br /> Cadmium (EPA Method 6010/200 7, ICP) mg/L 0.005 1 00 99% 99% 0% <br /> Chromium (EPA Method 6010/200.7, ICP) mg/L 0.01 1 00 93% 92% 1% <br /> Cobalt (EPA Method 6010/200 7, TCP) mg/L 0 01 1 00 101% 101% 0% <br /> Copper (EPA Method 6010/200 7, ICP) mg/L 0.01 1 00 101% 100% 0% <br /> Lead (EPA Method 6010/200.7, ICP) mg/L 0 1 1 .00 97% 102% 5% <br /> Molybdenum (EPA Method 6010/200 7, ICP) mg/L 0.02 1 .00 95% 95% 0% <br /> Nickel (EPA Method 6010/200 7, ICP) mg/L 0 02 1 .00 98% 97% 1% <br /> Silver (EPA Method 6010/200 7, ICP) mg/L 0.01 1 .00 85% 85% 0% <br /> Thallium (EPA Method 6010/200 7, ICP) mg/L 0 2 1.00 90% 89% 1% <br /> Vanadium (EPA Method 6010/200 7, ICP) mg/L 0.01 1 .00 95% 94% 1% <br /> Zinc (EPA Method 6010/200 7, ICP) mg/L 0 01 1 00 100% 99% 1% <br /> 11 Orgitat Drive Offices Serving Minneaporis Minnesota Charlotte North Carolina An Equal Opportunity Employer <br /> Novato CA 94949 Tampa Florida Asheville North Carolina <br /> TEL 415 883 6100 Iowa City Iowa New York New York <br /> I FAX 415 883 2673 San Francisco California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Los Angeles California <br />