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NORTH <br /> - <br /> == CREEK <br /> ANALYTICAL <br /> 19939 120th Avenue N E,Suite 101 -Bothell,WA 98011.2569 <br /> Phone (206) 481-9200•FAX (206)485-2982 <br /> i <br /> w <br /> ' Steffen Robertson & Kirsten Client Project ID Diamond Lumber# 32504 22 Sampled- Apr 6, 1992 <br /> 15311 NE 90th Street Matrix Descript Water Received Apr 9, 1992 <br /> xRedmond, WA 98052 Analysis Method EPA 5030/8015/8020 Analyzed Apr 20 <br /> Attention Dave Schwieger First Sample # 204-0434 ' 1982 <br /> �Yt' sem wz t Reported. Apr 29, 1992 <br /> F�i�fcd.�ruwc!&aKeb.�+.f..,.t4",G.cw.�..,ffia3..2<nkl�Sedm}di�d.Sw�w,aAS�rab�2� mE'�teErfi°r, ^r � � <br /> 'j 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 /> LPg/ Ng/L ug/L Pg/L pg/L % <br /> (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 1 204-0434 SPK Mwl MAN N D N D N D N D N D <br /> 90 <br /> 204-0435 SRK Mw2 MAN 1,800 220 N D N D 120 97 <br /> 204-0436 SPX Mw3MAN N D N D N D N D N D 89 <br /> BLK042092 Method Blank N D N <br /> D ND ND ND 85 <br /> P <br /> Detection Limits 50 050 0 50 0 50 0 50 <br /> Volatile Hydrocarbons are quantitated as gasoline range organics (nC5-nC12) Surrogate recovery reported is for Bromofluorobenzens <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> ATH CREEK ANALYTICAL IncFand <br /> Note <br /> s project all organic analyses were performed by North Geek Analytical (Calif EL,AP iF 126 <br /> Inorganic analyses were performed by Sequoia Analytical(Calif ELAP f 1210) <br /> tection ILMI for Benzene,Toluene,Ethyl Benzene&Xylenes in#204-0434 3-0436 = 0 70 jig/L <br /> of Cocanour The detection limit for Toluene and Ethyl Benzene in#204-0435 = 8Opg/L <br /> boratory Director <br /> 2040434 SRK <1> <br />