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885 Jarvis Drive <br /> Sequoia Morgan Hill CA 95037 <br /> Analytical 1408 776-9600 <br /> FAX (408) 78z-6308 <br /> ATC Associates Inc -Modesto Project Diesel Pertormance Sampled 12/22199 <br /> 1 l 17 Lone Palm.avenue Project Number 5462577 0001 Received 12/22/99 <br /> Modesto CA 95351-1502 Project Manager Jeanne Homsev Reported 115100 <br /> Total Purgeable Hydrocarbons (C6-C12),BTEX and MTBE by DHS LUFT/Quality Control <br /> ' Sequoia Analytical-Morgan Hill <br /> Date Spike Sample QC Reporting Limit Recov R1PD RPD <br /> Analyte Analvzed Level Result Result Units Recov Limits % Limit % Notes* <br /> ' Batch 9120793 Date Prepared 12/27/99 Extraction Method EPA 5030B IP/T! <br /> Blank 9120793-BLK1 <br /> Purgeable HrdroLarbons 12/27/99 ND ugll 500 <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> Ethvibenzene ND 0 500 <br /> 'Xylenes(total) ND " 0 500 <br /> Methyl tert-butyl ether - - --`-- ---- ND _ 2 :50 - --�- <br /> Surrogate a a a-Trrfluorotohrene 10 0 9 58 700-130 958 <br /> LCS 9120793-BS1 <br /> Benzene 12/27/99 100 9 02 um 700-130 902 <br /> Toluene 100 9 72 700-130 972 <br /> Ethylbenzene 100 10 2 700-130 102 <br /> nes(total) 300 30 7 700-130 102 �- <br /> ogate aaa-Trrfluorotoluene 100 993 70 0-13n 99.3 <br /> tMatrix Spike 9120793-MSI M912839-04 <br /> Benzene 12/27/99 100 ND 900 ug/1 600-140 900 <br /> Toluene 100 ND 9 85 600-140 985 <br /> Ethvlbenzene 100 ND 103 600-140 103 <br /> I <br /> Xylenes(total) 300 ND 31 5 600-140 105 --- <br /> Surrogate aaa-Trifluorotoluene 100 100 700-130 100 <br /> IMatrix Spike Dup 9120793-MSD1 M912839-04 <br /> Benzene 12/27/99 1 0 0 ND 907 ug/1 600-140 907 25 0 0 775 <br /> Toiuene 100 ND 994 600-140 994 25 0 0 910 <br /> Ethyibenzene 100 ND 104 600-140 104 25 0 0 966 <br /> Xylenes(total) 300 ND 31 7 600-140 106 25 0 0 948 <br /> Surrogate a a a-Trifluorotoluene 100 992 706-130 992 <br /> Batch 9120795 Date Preprired 12/27/99 l xtrnction Method_ EPA 5030B [PIT] <br /> Blank 9120795-BLKI <br /> Purgeable Hvdrocarbons 12/27/99 ND uPJI 500 <br /> Benzene ND 0 500 <br /> Toluene ND 11 0 500 <br /> Ethvlbenzene ND 0 500 <br /> Xyienes(total) ND " 0 500 <br /> Methyl Cert-butyl ether _ ND " 250 <br /> _ <br /> Surrogate a a a-Trrfluorotoluene — 100 104 700-130 1O4 U - <br /> Sequoia Analytical -Morgan Hill *Refer to end of report for tett ofnotes and de/inatons <br /> rPage 5 of 9 <br />