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L <br /> P YEPMUHI I Y LNViHU MEM L LASS <br /> I- Precision Environmental Analytical laboratory <br /> July 02, 1993 PEL # 9306101 <br /> EPM TECHNOLOGIES, INC. <br /> Attn: John Rapp <br /> Re: Three water samples for Gasoline, Diesel, and Oil & <br /> Grease analyses. <br /> Project name: Gerald Sperry, Pestana Trust. <br /> Project location: 275 Grantline, Tracy, CA . <br /> Date sampled: Jun 28-29, 1993 Date submitted: Jun 30, 1993 <br /> Date extracted: Jul 01-02, 1993 Date analyzed: Jul 01-02 , 1993 <br /> RESULTS: <br /> SAMPLE Gasoline Diesel Oil & <br /> I.D. <br /> (ug/L) (ug/L) (mg/L) CP <br /> MW-1 N.D. N.D. N.D. <br /> MW-2 1700 N.D. N.D. <br /> MW-3 N.D. N.D. N.D. <br /> • Blank N.D. N.D. N.D. <br /> Spiked <br /> Recovery 92 .5% 87. 8% --- <br /> Duplicate <br /> Spiked <br /> Recovery 82 . 4% 95.5% --- <br /> Detection <br /> limit 50 50 0.5 <br /> Method of 5030 / 3510 5520 <br /> Analysis 8015 8015 C & F <br /> avid Duong <br /> Laboratory Director <br /> 1764 Houret Court Milpitas, CA 95035 Tel 408-946-9636 Fax 408-946-9663 <br />