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paces <br /> REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE GF ā¯‘UALITY <br /> be <br /> Mr James Jacobs QUALITY CONTROL DATA June 16, 1992 <br /> Page 16 PACE Project Number 420605525 <br /> Client Reference: Exxon 7--3330 (C&M) <br /> Cyanide, Reactive <br /> Batch 70 13182 <br /> Samples 70 0159040, 70 0159156 <br /> METHOD BLANK AND SAMPLE DUPLICATE <br /> Duplicate <br /> Method 70 0159040 of <br /> Parameter Units MDL Blank AA-1 70 0159040 RPD <br /> Cyanide, Reactive mg/kg 0 5 ND ND ND NC <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Cyanide, Reactive mg/kg 0 5 667 10% 9% 10°% <br /> Method Detection Limit <br /> Not detected at or above the MDL <br /> OROP Relative Percent Difference <br /> NC No calculation due to value below detection limit <br /> 11 Digital Drive Offices Serving Minneapolis 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 /> FAX 415 883 2673 San Francisco California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Los Angeles California <br />