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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccamphell com <br /> 1 <br /> i <br />' QC REPORT <br /> LOFT <br />' Date 01/15/02 Extraction TTLC Matrix Water <br /> Concentration mg/L %Recovery <br /> Compound Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> SamplelD 11402 Instrument P-1 AA <br /> Surrogatel ND 975 1044 10000 98 104 68 <br /> Copper ND 43 4 6 500 86 91 55 <br /> Zinc ND 44 48 500 89 96 85 <br /> Lead ND 45 47 500 90 95 52 <br /> Nickel ND 47 49 500 93 97 41 <br /> Chromium ND 46 47 500 92 95 35 k <br /> Cadmium ND 5 2 54 500 104 107 25 � <br /> I� <br /> I <br /> • <br /> ( <br /> %Recovery= A-9—Sample <br /> nY� dmountSprked l0U <br /> (A&—AI.SD) <br /> RPA= 2100 <br /> (A.S+AVSD) <br /> RPD means Relahva Percent Deviation <br />