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ALS f�nuironmgn- ntaI <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 4/14/2021 <br /> 1101 Fawcett Ave. S., Suite 200 ALS SDG#: EV21040032 <br /> Tacoma, WA 98402 WDOE ACCREDITATION: C601 <br /> CLIENT CONTACT: Jacob Letts <br /> CLIENT PROJECT: Smith St. Mill <br /> LABORATORY BLANK RESULTS <br /> MB-040821W- Batch 164396-Water by SW8270ESIM Prepared 04/08/21 00:00 <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-040821W- Batch 164451 -Water by E200.8 Prepared 04/08/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Arsenic E200.8 ND U UG/L 1.0 0.050 0.15 04/08/21 EBS <br /> Chromium E200.8 ND U UG/L 2.0 0.070 0.21 04/08/21 EBS <br /> Lead E200.8 ND U UG/L 1.0 0.036 0.11 04/08/21 EBS <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-040821W- Batch 164460 -Water by E200.8 Prepared 04/08/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Arsenic(Dissolved) E200.8 ND U UG/L 1.0 0.050 0.15 04/08/21 EBS <br /> Chromium(Dissolved) E200.8 ND U UG/L 2.0 0.070 0.21 04/08/21 EBS <br /> Lead(Dissolved) E200.8 ND U UG/L 1.0 0.036 0.11 04/08/21 EBS <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> Page 19 <br /> ADDRESS 8620 Holly Drive,Suite 100,Everett,WA 98208 1 PHONE 425-356-2600 I FAX 425-356-2626 <br /> ALS Group USA,Corp dba ALS Environmental <br /> www.alsglobal.com <br /> RIGHT SOIU TIOf15 RIGHT PAR TnER <br />