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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> =MCC.AAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax.510-798-1622 <br /> i <br />' 1 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> I <br /> Date 01/16/98-01/17/98 Matr3.x AIR <br /> I Concentration (mg/L) I I % Recovery i <br /> I Analyte ISample I Amount I RPD <br /> I (#84949) MS MSD I Spiked I MS MSD <br /> I <br /> TPH (gas) I 0 0 96 3 95 6 I 100 0 I 96 3 95 6 0 7 <br /> ' Benzene I 0 0 9 8 10 0 I 10 0 I 98 0 100 0 2 0 <br /> Toluene I 0 0 10 1 10 1 I 10 0 1101 0 101 0 0 0 <br /> Ethyl Benzene I 0 0 10 1 10 1 I 10 0 f 101 0 101 0 0 0 <br /> ' Xylenes I 0 0 30 5 30 5 I 30 o I 101 7 101 7 0 0 <br /> . ITPH(diesel) ( N/A N/A N/A N/A N/A N/A N/A <br /> I I <br /> TRPH I N/A N/A N/A ( N/A N/A N/A N/A <br /> (oil & grease) I <br /> ' Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / {MS + MSD) x 2 x 100 <br /> 1 <br />