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1551 Industrial Road <br /> Sequoia San Carlos,CA 94070-4111 <br /> (650)232-9600 <br /> ,!Z� Analytical FAX(650)232-9612 <br /> Blaine Tech Services Project Equiva(2) Sampled 3/29100 <br /> 1680 Rogers Avenue ProjectNumber 000329-J1 Received 3/31/00 <br /> San.lose,CA 95112 Project Manager Nick Sudano Reported 511/00 <br /> Total Purgeable Hydrocarbons(C6-C 12N HTEX and MTBE by DHS L�'fQh�lity Cpakra"� <br /> Sequoia"afy -S"tarlbos <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes <br /> LCS(contimu0040033-BSI <br /> Ethylbenzene 4/7/00 100 106 ug/l 700-130 106 <br /> Xylenes(total) 300 323 700-130 108 <br /> Surrogate a,a,a-Tnfluorotoluene 100 102 " 700-130 102 <br /> LCS 0040033-BS2 <br /> Purgeable Hydrocarbons as Gasoline 4/7100 250 295 ug/1 700-130 118 <br /> Surrogate a,a,a-Trifluorotoluene " 100 137 " 700-130 137 2 <br /> Matrix Spike 0040033-1i'MS1 L003274-02 <br /> Purgeable Hydrocarbons as Gasoline 4/7/00 250 ND 252 119/1 600-140 101 <br /> Surrogate a,a,a-Trifluorotoluene " 100 104 " 700-130 104 <br /> Matrix Spike Dulp 0040033-MSD1 L003274-02 <br /> Afteable Hydrocarbons as Gasoline 417/00 250 ND 267 119/1 600-140 107 25 0 577 <br /> ogate a,a,a-Tnfluorotoluene d100 103 or 700-130 103 <br /> Batch- 0040039 Date Prepared- 4/8/00 ]Extraction Method EPA 5030B IP1'1<1 <br /> Blank 0040039-BLN1 <br /> Purgeable Hydrocarbons as Gasoline 4/8100 PID ug/1 500 <br /> Benzene toND 0.500 <br /> Toluene to PTD 0 500 <br /> Ethylbenzene ND to 0 500 <br /> Xylenes(total) ND to 0 500 <br /> Methyl tert-butyl ether ND to 500 <br /> Surrogate a,a,a-Tnfluorotoluene 100 995 to 700-130 995 <br /> Blank 0040039-BLK2 <br /> Purgeable Hydrocarbons as Gasoline 4/10/00 ND ug/l 500 <br /> Benzene ND 0 500 <br /> Toluene toND 0 500 <br /> Ethylbenzene 11 PID to0 500 <br /> Xylenes(total) " ND 0 500 <br /> Methyl tert-butyl ether " P1D " 5.00 <br /> Surrogate a aa-Trifluorotoluene 100 103 IF 700-130 103 <br /> LCS 0040039-BSI <br /> Benzene 4/8/00 100 9 82 ug/1 700-130 982 <br /> Toluene to 100 941 It 700-130 941 <br /> Ethylbenzene 10 0 907 IT 700-130 907 <br /> Xylenes(total) 300 282 to 700-130 94 0 <br /> Wgate a,a,a-Tri luorotoluene 100 104 700-130 104 <br /> Sequoia Analytical-San Carlos *Refer to end of reportfor text of notes and definitions <br /> Page 8 of 15 <br />