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ALS Enuironme ntal <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 10/19/2020 <br /> 1101 Fawcett Ave. S., Suite 200 ALS JOB#: EV20100044 <br /> Tacoma, WA 98402 ALS SAMPLE#: EV20100044-02 <br /> CLIENT CONTACT: Jacob Letts DATE RECEIVED: 10/08/20 <br /> CLIENT PROJECT: Smith St. Mill COLLECTION DATE: 10/8/2020 10:05:00 AM <br /> CLIENT SAMPLE ID MW-5-100820 WDOE ACCREDITATION: C601 <br /> SAMPLE DATA RESULTS <br /> DILUTION LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS FACTOR RL MDL PQL DATE BY <br /> Fluoranthene SW8270DSIM ND U UG/L 1 0.020 0.00057 0.0017 10/16/20 JMK <br /> Pyrene SW8270DSIM ND U UG/L 1 0.020 0.0012 0.0035 10/16/20 JMK <br /> Benz[a]anthracene SW8270DSIM ND U UG/L 1 0.020 0.00095 0.0028 10/16/20 JMK <br /> Chrysene SW8270DSIM ND U UG/L 1 0.020 0.0019 0.0058 10/16/20 JMK <br /> Benzo(b)fluoranthene SW8270DSIM ND U UG/L 1 0.020 0.0028 0.0085 10/16/20 JMK <br /> Benzo(k)fluoranthene SW8270DSIM ND U UG/L 1 0.020 0.0045 0.014 10/16/20 JMK <br /> Benzo(a)pyrene SW8270DSIM ND U UG/L 1 0.020 0.0021 0.0064 10/16/20 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270DSIM ND U UG/L 1 0.020 0.0017 0.0052 10/16/20 JMK <br /> Dibenzo(a,h)anthracene SW8270DSIM ND U UG/L 1 0.020 0.0033 0.0099 10/16/20 JMK <br /> Benzo(ghi)perylene SW8270DSIM ND U UG/L 1 0.020 0.0018 0.0055 10/16/20 JMK <br /> Arsenic E200.8 ND U UG/L 1 1.0 0.15 0.45 10/09/20 RAL <br /> Chromium E200.8 ND U UG/L 1 2.0 0.10 0.29 10/09/20 RAL <br /> Lead E200.8 ND U UG/L 1 1.0 0.090 0.28 10/09/20 RAL <br /> Arsenic(Dissolved) E200.8 ND U UG/L 1 1.0 0.15 0.45 10/09/20 RAL <br /> Chromium(Dissolved) E200.8 ND U UG/L 1 2.0 0.10 0.29 10/09/20 RAL <br /> Lead(Dissolved) E200.8 ND U UG/L 1 1.0 0.090 0.28 10/09/20 RAL <br /> SPIKE LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD RESULTS QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 111 10.0 11.1 60 140 10/12/20 KLS <br /> Pentacosane NWTPH-DX 89.9 80.0 71.9 60 126 10/09/20 EBS <br /> 1,2-Dichloroethane-d4 SW8260C 107 5.00 5.37 71 130 10/12/20 DLC <br /> Toluene-d8 SW8260C 99.9 5.00 4.99 80 120 10/12/20 DLC <br /> p-Bromofluorobenzene SW8260C 104 5.00 5.20 78 120 10/12/20 DLC <br /> Terphenyl-d14 SW8270DSIM 79.6 18.6 14.8 50 147 10/16/20 JMK <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> Page 7 <br /> ADDRESS 8620 Holly Drive,Suite 100, Everett,WA 98208 1 PHONE 425-356-2600 1 FAX 425-356-2626 <br /> ALS Group USA,Corp dba ALS Environmental <br /> www.aisgiobal.com <br /> RIGHT SU1-UTIOf15 -(,I.t 6-ft t rlEF <br />