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i <br /> llp 2nd rl%enue South, #D7, Pachc,co,CA 94551 <br /> =McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR I-YDROCARBON ANALYSES <br /> i <br /> ' Date: 04/22-04/23/95 Matrix: Water <br /> ' Concentration (ug/L) <br /> $ Recovery <br /> Analyte ?,mount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0 0 101 8 99 7 100 101 8 99 7 2.1 <br /> ' Benzene 0 9 7 10 1 10 97.0 101 0 4 0 <br /> Toluene 0 9 8 10 2 10 98.0 102 0 4 0 <br /> Ethyl Benzene 0 9 9 10 1 10 99.0 101 0 2 0 <br /> Xylenes 0 30 7 31.4 30 102.3 104 7 2 3 <br /> i <br /> TPH (diesel) 0 160 158 150 107 105 1 3 <br /> a <br /> TRPTi N/m, N/A N/A Y/A v/� N/A / <br /> ' (oil & grease) <br /> ' % Ree = (MS Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x Z x 100 <br /> 1 <br />