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1 Sequoia 1455 McDowell Blvd North,Ste D <br /> Petaluma CA 94954 <br /> (707)792-1865 <br /> Analytical <br /> FAX(707)792-0342 <br /> Cambria Environmental Project Equiva 10d Sampled 12/15/99 <br /> 270 Perkins St Project Number 2494 Fremont St,Stockton,Ca Received 12/16/99 <br /> Sonoma,CA 95476 Project Manager Bob Perlowski Reported 1/7100 <br /> T6tal Petroleuin,Hydroc6rbons as Gasoline iid'BTEX-'bygEPA,8015M/l 020M/Quiiity'Conteol <br /> e -::r. , S�'CCjllQlil AI1dlyt1Cal-"PetA�I1�I17a:r,k �-A" �„" ',k'�?.7 ^ `•'.",'�',.,..."..a:a s a: i3 s:�'R <br /> Date Spike Sample QC Reporting Linut Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Linuts % Linut % Notes* <br /> Batch 9120485 Date Prepared 12/20/99 Extraction Method EPA 5030 sods <br /> Blank 9120485-BLK1 <br /> Gasoline 12/20/99 ND mg/kg 100 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Methyl tert-butyl ether ND 00500 <br /> Surrogate a a a-Tr fluorotoluene 0 600 0 550 650-135 91 7 <br /> Surrogate 4-Bromofluorobenzene 0 600 0 597 650-135 995 <br /> Blank 9120485-BLK2 <br /> Gasoline 12/21/99 ND mg/kg 100 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Methyl tert-butyl ether ND 00500 <br /> Surrogate a a a-Triuorotoluene 0 600 0 571 650-135 952 <br /> Surrogate 4-Bromofluorobenzene 0 600 0 594 650-135 990 <br /> LCS 9120485-BS1 <br /> Gasoline 12/20/99 200 1 86 mg/kg 650-135 93 0 <br /> Surrogate 4-Bromofluorobenzene 11 0 600 0 593 650-135 988 <br /> LCS 9120485-BS2 <br /> Benzene 12/21/99 0200 0203 mg/kg 650-135 101 <br /> Toluene 0200 0 194 650-135 970 <br /> Ethylbenzene 0200 0188 650-135 94 0 <br /> Xylenes(total) 0-600 0 577=" 65 0-135=96-2 <br /> Surrogate a a a-Trifluorotoluene 0 600 0 589 " 650-135 982 <br /> Matrix 9120485-MS1 P912444-10 <br /> Gasoline 12/20/99 200 ND 275 mg/kg 650-135 138 <br /> Surrogate 4-Bromofluorobenzene If0 600 0 569 IF650-135 948 <br /> Matrix Spike Dup 9120485-MSD1 P912444-10 <br /> Gasoline 12/20/99 200 ND 2 81 mg/kg 650-135 140 20 0 144 <br /> Surrogate 4-Bromofluorobenzene 0 600 0 553 650-135 922 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definctzo s <br /> Page 9 of 16 <br />