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ma <br /> 7 <br /> SUPERIOR ANALYTICAL LABORATORY, INC, <br /> —� 1555 BURKE, UNIT; SAN FRANCISCO,CA 94124 • PwONE (415) 6472081 <br /> C E R T I F I C A T E O F A N A L Y S I g <br /> LABORATORY NO. : 52453 DATE RECEIVED, <br /> CLIENT: Leedshilt - Nsrkanhoff, Inc. • 09/07/90 <br /> CLIENT JOB No. : 90819. 12 DATE REPORTED: Oo/i4/g0 <br /> ANALYSIS FOR BENZENE, TOLUENE. ETHYL BENZENE a XYLENES <br /> - by EPA SW-848 Methods 5030 and 8020 <br /> LAB Conaentration(ug/kg) <br /> sample Identification Ethyl <br /> ---- --------------------- Benzens Toluene Benzene e Xylen <br /> rsa <br /> 3 9-5-90-ab1-10 ND<3 N0<3 No<.3 <br /> 7 9-5-90-abi-20 N0c3NDt3 N <br /> f0 9--5-90-ebl -30 ND<3 NQD<3c3 ND{,; N00 <br /> if 9-5-90-abi-35 ND<3 NA{3 <br /> 12 9-5-90-sbf-37 ND<3 ND<3 ND<3 ND<3 <br /> - 15 9-5-90-sb2-20 ND<3 ND<3 ND<3 ND<3 <br /> 17 9-5-90-sb3-10 ND<„ NAt3 ND<3 ND<3 <br /> 19 S-5-9D-sb3-20 ND<30 176 1300 8100 <br /> 21 9-5-90-sb3-30 26 35 1b OS <br /> 900 28000 <br /> 28 9-6-90-ab4-10 64x00 410000 <br /> 28 9-5^90-sb2-10 ND<300 ND<300 24000 9000 <br /> 23 9-8-90-sb4-20 ND<3 6 11 50 <br /> ' 31 9-6-90sb4-30 38 110 27 190 <br /> %. - <br /> 3266 44 88 220 <br /> t <br /> 9-6-90-sb4-35 210 5 <br /> 44 <br /> 34 9-6-90--sb5-10 ND<3 ND<3 94 <br /> i� 36 9-6-90-sb5--20 N00ND<3 <br /> NDC3 ND<3 ND<3 <br /> 38 9-5-90-sb6-10 ND<3 NDC3 . ND<3 ND <br /> < <3 <br /> 40 9-6-90-sb6-20 ND<3 ND<3 ND<3 ND<3 <br /> 42 9-•8-90-sb8-30 ND<3 <br /> 44 9-6--90-sb6-35 ND<3 ND<3 ND<3 <br /> 9-6-9a-sb7-10 NO<3 N0,13 ND<3 ND<3 <br /> 45 9-6-90-sb7-15 ND<3 4 ND<3 7 <br /> • y 48 9-0-90-ab8-10 ND<3 3 NDt3 ND<3 <br /> 50 9-6-90-sb9-20 ND<3 ND<3 ND<3 9 <br /> 52 9-5-90-sb8-30 13 5 5 21 <br /> ND<3 5 ND<3 ND<3 <br /> u9/ky .- parts per billion (ppb) <br /> Minimum Detection Limit in Soil : 3,Oug/kg <br /> QAQC Summary: <br /> Daily Standard run at 20U9/L; "XDiff 8020 = <i5% <br /> MS/MSO Average Recovery = 99 S : Duplicate RPD = 5X <br /> � J <br /> �•• OUTSTANOING QUALITYAN lcRViC� ` <br /> ;F. <br />