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SIERRA 1AE30RATORIES MC <br /> s <br /> GHH Engineering, lnc. Date Sampled: 4/30/01 <br /> 8034 Old Auburn Road,Suite E Date Received: 5/3101 <br />' Citrus Heights,CA 95610 Date Prepared: 5113/01 <br /> Date Analyzed: 5/13/01 <br /> Sierra Project No.: 9105-056 Analvst: Nl W <br />' Client Project ID: USA-Stockton/5007.10 <br /> Sample !Matrix: Water Report Date: 5/14/01 <br />' EPA tbIETHOD 8020-BTEX/EPA METHOD 8015-Gasoline Range Hydrocarbons(C4-C12) <br /> (Purge&Trap) <br /> Concentration,ug/1 <br />' Practical <br /> Client Sample No,: MW-6P MW-41? MW-5P MW-3P MW-1 MW-2P MW-1P MW-2 Quantitation <br /> Limit, <br />' Sierra Sample No.: 13929 13930 13931 13932 13933 13934 13935 I3936 ug/1 <br /> COMPOUNDS: <br /> Benzene_ --- ND ND ND ND 0.77 l5 ND ND <br /> - 0.5 <br /> uluenr _ - ND ND ND —4.2 20 8.0 ND 0.92-� 0.5 <br />' Etlnlhenxene ND ND ND 1.1 ND 1.6 ND ND 0.5 <br /> Total Xylenes— ND ND ND 3.9 2.1 6.0 ND 2.1 0.5 <br /> BE 36 ND ND 30 47 56 8.2 ND 5.0 <br />' asoline ND ND ND 91 610 590 ND <br /> - ----._. 65 50 <br /> Dilution Pactnr ! 1 1 I E <br /> I I QC Limits <br /> °'°Surrogate Recovery: 1 15 l I8 116 112 125 115 117 115 70-125 <br />' Quality Assurance/Quality Control Data <br /> QC Sample ID: 0 1051 1-Blank <br /> LCS Spike Spike Dup QC QC <br /> Compounds — %Rcc. % Rcc. - % Rec. — —Limits I RPD �- Limits <br /> Benzene 90 35 96 39-150 12 0-30 <br /> 90 85 96 46-148 12 0-30 <br /> Eilw1benzenr_. 90 - —__ 36 _ 100 _ 32-160_ IS ----- 0-30 <br />' G.tsolin� <br /> 110 83 89 50-150 --- 7.3 <br /> ND mems Nut t)rtectL:d <br />' Rcpoaing Limit(RL)—Poetical Quantitatiou Limit(PQL)c Dilution Factor <br />