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Sequoia 885 Jarvis Drive <br /> �1 Morgan Hill CA 95037 <br /> (408) 776-9600 <br /> I„V Analytical FAX (408) 782-6308 <br /> 0 <br /> ATC Associates,Inc -Modesto Project Gardner Property Sampled 1017199 <br /> 1117 Lone Palm Avenue Project Number 5462582 0001 Received 1018199 <br /> Modesto CA 95351-1502 Project Manager Tom Lutterman Reported 10/21/99 <br /> Total Purgeable Hydrocarbons (C6-C12)and BTEX by DHS LUFTIQuality Control <br /> Sequoia Analytical-Morgan Hill <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9100560 Date Prepared 10/19/99 Extraction Method EPA 50308 IP/TI <br /> Blank 9100560-BLK1 <br /> Purgeable Hydrocarbons 10/19/99 ND ug./l. 500 <br /> Benzene NO 0 500 <br /> Toluene NO " 0 500 <br /> Ethylbenzene NO 0 500 <br /> _Xylenes(total) NO 0 500 _ <br /> Surrogate a a a-Trruorotoluene " 100 101 700-130 101 <br /> LCS 9100560-BS 1 <br /> Benzene 10/19/99 100 101 ug/1 700-130 lot <br /> Toluene too 9 92 700-130 992 <br /> Ethylbenzene 100 995 700-130 995 <br /> Xylenes(total) 300 302 700-130 101 <br /> 01"rogate a a a-Trtfluorotoluene 11 100 102 700-130 102 <br /> Matrix Spike 9100560-MSI M910380-01 <br /> Benzene 10/19/99 100 ND 102 ug/1 600-140 102 <br /> Toluene too ND 996 600-140 996 <br /> Ethylbenzene 100 ND 10 2 600-140 102 <br /> Xylenes(total) 300 ND 30 1 600-140 100 <br /> Surrogate a a a-Trifluorotoluene 100 Y-_ 964 700-130 964 <br /> Matrix Spike Dup 9100560-MSDI M910380-01 <br /> Benzene 10/19/99 100 ND 9 84 ug/1 600-140 98 4 25 0 3 59 <br /> Toluene 100 ND 9 75 600-140 975 25 0 2 13 <br /> Ethylbenzene 100 ND 9 86 600-140 98 6 250 339 <br /> Xylenes(total) 300 ND 294 600-140 98 0 25 0 2 02 _ <br /> Surrogate a a a-Trruorotoluene 100 - -� 934 700-130 934 <br /> Sequoia Analytical -Morgan Hill � '"Refer to end of report for text of notes and definitions <br /> Page 4 of 5 <br />