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NORTH
<br /> CREEK
<br /> , ANALYTICAL
<br /> �. 18939 120th Avenue N.E.,Suite 101 -Bothell,WA 98011-2569
<br /> Phone (206) 481-9200 •FAX (206) 485-2992
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<br /> <Steffen Robertson&Kirsten Client Project 1D: Diamond Lumber-Lodi, #32504.24 Sampled: Apr 7, 19721'
<br /> 15311 NE 90th Street Matrix Descript: Water Received: Apr 9, 19
<br /> Redmond,WA 98052 Analysis Method: EPA 5030/8015/8020 Analyzed: Apr 21, 1992
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<br /> ,. Attention: Dave Schwieger First Sample#: 204-0431 �
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<br /> TOTAL PETROLEUM HYDROCARBONS with BTEX DISTINCTION (WTPH-G/BTEX)
<br /> Sample Sample Volatile Ethyl Surrogate
<br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes Recovery
<br /> pg/L rug/t- ug/L Ng/L N9/L %
<br /> (ppb) (ppb) (ppb) (ppb) (ppb)
<br /> 204-0431 SRK-MWI-LODI N.D. N.D. N.D. N.D. N.D. 89
<br /> 204-0432 SRK-MW2-LODI N.D. N.D. N.D. N.D. N.D. 58
<br /> 204-0433 SRK-MW3-LODI N.D. N.D. N.D. N.D. N.D. 88
<br /> BLK042192 Method Blank N.D.
<br /> N.D. N.D. N.D. N.D. 89
<br /> Detection Limits: 50 0.50 0.50 0.50 0.50
<br /> Volatile Hydrocarbons are quantitated as gasoline range organics(nC5-nC12).Surrogate recovery reported is for Bromofluorobenzene.
<br /> Analytes reported as N.D,were not present above the stated limit of detection.
<br /> ATH CREEK ANALYTICAL IncC Please Note:
<br /> For this project all organic analyses were performed by North Creek Analytical (Calif.FLAP#1267)
<br /> and all inorganic analyses were performed by Sequoia Analytical (Calif.ELAP#1210).
<br /> Scot Cocanour
<br /> Laboratory Director
<br /> 2040431.SRK <1>
<br />
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