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` SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921 9600 • FAX (916) 921-0100 <br /> Groundwater Technology Client Project ID' Golden Grain -Manteca Sampled FebJ 2i,19921 <br /> 1401 Halyard Drive, Suite 140 Sample Descript Water, MW-7 Received Feb 22, 1992' <br /> West Sacramento, CA 95691 Analysis Method EPA 5030/8015/8020 Analyzed Mar 2, 1992 <br /> Attention John Bower Lab Number 202-0476 Reported Mar 4, 1992, <br /> :xv.., �o,4„ e's,rn2.rsY- <br /> TOTAL PETROLEUM FUEL HYDROCARBONS WITH BTEX DISTINCTION (EPA 8015/8020) <br /> Analyte Detection Limit Sample Results <br /> pg/L(ppb) pg/L(ppb) <br /> I <br /> Lowto Medium Boiling Point Hydrocarbons ....... ... 6,000 ....... ............................. 60,000 <br /> Benzene»...... .. ... . . ......... . . ....... . ,» ..» , »».. ... SO ,........... 6,500 <br /> Toluene ...... .................. i <br /> .. ,.. . . . , . . .. SO ,. . . .,.. ,. <br /> 2,800 <br /> Ethi Benzene. . . . . . ...... . . ...... ... ... . . . ..... .. 60 ,..,.,.... ..................... ... 690 <br /> .Xylenes 60 <br /> 3,400 <br /> i <br /> I <br /> I <br /> i <br /> Low to Medium Boling Point Hydrocarbons are quantitated against a gasoline standard <br /> Analytes reported as N D were not present above the stated limit of detection Because matrix effects and/or other factors <br /> required additional sample dilution detection limits for this sample have been raised <br /> WEQUOIA ANALYTICAL <br /> �1,=�'/ <br /> IV <br /> Michael R Giles <br /> Laboratory Director 2020469 GGG <2> <br />