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' w 819 Striker Avenue Suite 8 <br /> Sequoia Sacramento C2 95834 <br /> 4 <br /> (9 l6)92 I-9600 <br /> O ) Analytical F (916)921-0100 <br /> www sequoialahs corn <br /> ' SECOR International-Rancho Cordova Project Arco 4932, Stockton,CA Sampled 915100 <br /> 3017 Kilgore Road,Suite 100 Project Number NIA Received 9/11100 <br /> ' Rancho Cordova,CA 95670 Project Manager Rusty Benkosky Reported 9120100 <br /> Total Purgeable Hydrocarbons (C6-C12)and BTEX by DHS LUFT/Quality Control <br /> Sequoia Analytical-Sacramento <br /> ' Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> IA.nalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> ' Batch 0090140 Date Prepared 9114100 Extraction Method EPA 5030B(MeOH) <br /> Blank 0090140-BLK1 <br /> Purgeable Hydrocarbons 9/14100 ND ug/l 500 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> ' Xylenes(total) ND 0 500 <br /> Surrogate a a a-Trifluorotoluene 100 104 600-140 104 <br /> LCS 0090140-BSI <br /> Benzene 9114100 10 0 10 2 ug/l 700-130 102 <br /> Toluene 100 989 700-130 989 <br /> Ethylbenzene 100 973 700-130 973 <br /> des(total) 300 284 700-130 947 <br /> rogate a a a-Triuorotoluene /00 106 600-140 106 <br /> Matrix Spike 0090140-MSI 5009087-01 <br /> ' Benzene 9114/00 too ND 105 ug/l 600-140 105 <br /> Toluene too ND 978 600-140 978 <br /> Ethylbenzene too ND 967 600-140 967 <br /> Xylenes(total) 300 ND 267 600-140 890 <br /> Surrogate a,a,a-Trefluorotoluene 100 10 6 600-140 106 <br /> Matrix Spike Dup 0090140-MSD1 S009087-01 <br /> ' Benzene 9114100 too ND 102 ug/l 600-140 102 25 0 2 90 <br /> Toluene 10 0 ND 9 41 600-140 941 25 0 3 86 <br /> Ethylbenzene 10 0 ND 948 600-140 948 250 198 <br /> Xylenes(total) _ _ 300 ND 266 600-140 887 25 0 0 338 <br /> Surrogate a,a a-Trtfluorotoluene 100 105 600-140 105 <br /> 1 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions <br /> Page 5 of 7 <br />