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.. <br /> ma <br /> ©© North State Environmental <br /> r © Chemical Waste Disposal • Trucking - Consulting <br /> CERTIFICATE OF ANALYSIS <br /> Lab No: 96-904 Date Sampled: 12-09-96 <br /> Client: SEMCO/IM Date Analyzed: 12-17-96 <br /> Gas Project: 1131 Holly Dr. Date Reported: 12-23-96 <br /> r TTLC Metals by Atomic Absoption Spectrsocopy <br /> Sample prepared by Method 3050 <br /> r SAMPLE NO CLIENT ID ANALYTE METHOD RESULT <br /> 96-904-01 Pit Bottom Nickel 7520 35 mg/Kg <br /> ` @9' Zinc 7950 54 mg/Kg <br /> Soil Chromium 7190 34 mg/Kg <br /> Cadmium 7130 ND <br /> Lead 7420 14 mg/Kg <br /> 96-904-02 SP1-4 Nickel 7520 42 mg/Kg j <br /> SOB Zinc 7950 127 mg/Kg <br /> Chromium 7190 38 mg/Kg <br /> Cadmium 7130 ND <br /> Lead 7420 138 mg/Kg <br /> Quality Control Quality Assurance Summary: Soil <br /> Was Analyte Method Reporting Blank MS/MSD RPD I <br /> Limit Recovery <br /> Nickel 7520 5.0 mg.Kg ND 99/96 4 <br /> am, Zinc 7950 1.0 mg/Kg ND 93/90 4 <br /> Chromium 7190 5.0 mg/Kg ND 90/84 8 <br /> Cadmium 7130 2.0 mg/Kg ND 101/99 2 <br /> .. Lead 7420 2.0 mg/Kg ND 99/99 1 <br /> r J <br /> ma <br /> EL <br /> AP C a NO: 1753 <br /> I <br /> Revie a Approved: <br /> r <br /> John A.Murphy, aboratory Director <br /> P.O.Boz 5624 • South San Francisco , California 94083 415 .588 - 2838 FAX 588- 1950 <br />