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Sequoia 885 Jarvis5Drive <br /> 037 <br /> Morgan Hill CAA95037 <br /> (408) 776-9600 <br /> Analytical FAX(408) 782-6308 <br /> i <br /> ATC Associates, Inc -Modesto Protect KOK Realty Sampled 9/27/99 <br /> 1 1 17 Lone Palm Avenue Project Number 5462581 0001 Received 9/30/99 <br /> Modesto CA 95351-1502 Project Manager Tom Lutterman Reported 10/18/99 <br /> Total Purgeable Hydrocarbons(C6-C12), BTEX and MTBE by DHS LUFTIQualtty Control <br /> Sequoia Analytical-Morgan Hill <br /> Date Spice Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Nates* <br /> Batch 9100092 Date Prepared 10/5/99 Extraction Method EPA 5030B IP/71 <br /> Blank 9100092-BLK1 ^ <br /> Purgeable Hydrocarbons 1015/99 ND ug/1 500 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> _Methyi_t_crt-_butyl ether _ _ ND _ 250 ___ <br /> Surrogate a a a-Trij7uororoluene --10 0`T - - 917 70 0-130 91 7 —---- - - _ - <br /> LCS 9100092-BS 1 <br /> Benzene 10/5/99 100 8 83 ugti 700-130 883 <br /> Toluene 100 9 67 700-130 967 <br /> Ethylbenzene 100 104 700-130 104 <br /> AlWnes(total) _ 30 0 30 9 700-130 103 <br /> rogate a a u-Try7uorotoluene 100 _W 100 ',700-130 100 <br /> Matrix Spike 9100092-MS1 M909910-02 <br /> Benzene 10/5/99 100 ND 8 74 ug/1 600-140 874 <br /> Toluene 100 ND 9 58 600-140 95 8 <br /> Ethylbenzene 100 ND 102 600-140 102 <br /> Xylenes(total) 300 ND_ _ _ 301 _ 600-140 t00 <br /> Surrogate a a a-Trifluorotoluene10 0 9 83 70 0-130 98 3 <br /> Matrix Spike Dup 9100092-MSDI M909910-02 <br /> Benzene 10/5/99 100 ND 890 ug/1 600-140 890 25 0 181 <br /> Toluene 100 ND 9 88 600-140 988 25 0 308 <br /> Ethylbenzene 100 ND 108 600-140 108 25 0 571 <br /> Xylenes(total) _ 30 0 ND 31 6 _ 600-140 105 _25 0 488 <br /> Surrogate a a a-Tr¢fluorotoluene ---ho—o -- 101 700-130 101 LL <br /> Batch 9100093 Date Prepared 10/5/99 Extraction Method EPA 5030B IP/Tl <br /> Blank 9100093-BLK1 <br /> Purgeable Hydrocarbons 10/5/99 ND ug/I 500 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether _ _ ND _ 250 _ <br /> Surrogate a a a-Trifluorotoluene T 100 10 6 700-130 106 <br /> 0 <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for text of notes and defnwons <br /> Page 5 of 8 <br />