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A781East Washington Blvd., Los Angeles, CA 90021 <br /> POSITIVE 9 <br /> LAB SERVICE [213] 745-5312 FAX[213] 745-6372 <br /> Certificate of Analysis Page 8 of 21 <br /> File#:73101 <br /> Smith Emery Company GeoService [SF] Report Date: 04/18/19 <br /> 1940 Oakdale Avenue Submitted: 04/11/19 <br /> San Francisco,CA 94124 PLS Report No.: 1904116 <br /> Attn: Mr. Patrick Morrison Phone: (800)675-8886 FAX:(415)642-7055 <br /> Project: Seton Pacific RWC-MUUD-PHASE 1/71519-3 <br /> Sample IL1: 1A B,C,D S0i[ ;(1904116-01) Sampte&04/09/;:915;35 Received-04/11/19-09-2,Z'. <br /> i' Selenium 1.55 1 mg/kg 1.00 2.00 EPA 30506 EPA 6010B 04/12/19 04/12/19 CG BD91208 <br /> Silver ND 1 mg/kg 0.100 1.00 EPA 3050B EPA 6010B 04/12/19 04/12/19 CG BD91208 <br /> Thallium ND 1 mg/kg 1.00 2.00 EPA 3050B EPA 6010B 04/12/19 04/12/19 CG BD91208 <br /> Vanadium 39.5 1 mg/kg 0.100 1.00 EPA 3050B EPA 6010B 04/12/19 04/12/19 CG BD91208 <br /> Zinc 78.3 1 mg/kg 1.00 5.00 EPA 3050B EPA 6010B 04/12/19 04/12/19 CG BD91208 <br /> Analyte Results Flag D.F. Units MDL PQL Prep/Test Method Prepared Analyzed By Batch <br /> Mercury 0.0816 1 mg/kg 0.0400 0.100 EPA 7471A EPA 7471A 04/12/19 04/12/19 cg BD91209 <br /> Analyte Results Flag D.F. Units MDL PQL Prep/Test Method Prepared Analyzed By Batch <br /> PH 8.3 1 pH Units 0.1 0.1 EPA 9045C 04/16/19 04/16/19 as BD91723 <br />