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-pace. <br /> C 1] R P 11 R A T E S ® REPORT OF LABORATORY ANALYSIS <br /> THE ASSURANCE OF QUALITY <br /> Rr. Robert Spare QUALITY CONTROL DATA November 09, 1993 <br /> age 3 PACE Project Number 431101506 <br /> Client Reference: Mark Group 92-11-77103 <br /> Lead (EPA Method 7421, Furnace AAS) <br /> Batch: 70 26232 <br /> I Samples: 70 0184193 <br /> METHOD BLANK: <br /> Method <br /> Parameter Units MDL Blank <br /> eadZEPA Method 7421, Furnace AAS) mg/L 0.001 ND <br /> i <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> Parameter Units MDL Value Recv Recv RPD <br /> Lead A Method 7421, Furnace AAS) mg/L 0.001 0.020 105% 10090 4% <br /> I <br /> 11 Digital Drive An Equal Opportunity Employer <br /> Novato CA 94949 <br /> TEL 415 883 5100 <br /> FAX 415 883 2673 <br />