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ALS Enuironme ntal <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 7/20/2021 <br /> 1101 Fawcett Ave. S., Suite 200 ALS JOB#: EV21070056 <br /> Tacoma, WA 98402 ALS SAMPLE#: EV21070056-01 <br /> CLIENT CONTACT: Jacob Letts DATE RECEIVED: 07/13/21 <br /> CLIENT PROJECT: Smith St. Mill COLLECTION DATE: 7/13/2021 12:15:00 PM <br /> CLIENT SAMPLE ID MW-1-071321 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 /> Phenanthrene SW8270ESIM ND U UG/L 1 0.020 0.0020 0.0060 07/19/21 JMK <br /> Anthracene SW8270ESIM ND U UG/L 1 0.020 0.0026 0.0078 07/19/21 JMK <br /> Fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.00058 0.0017 07/19/21 JMK <br /> Pyrene SW8270ESIM ND U UG/L 1 0.020 0.0012 0.0036 07/19/21 JMK <br /> Benzo(a)anthracene SW8270ESIM ND U UG/L 1 0.020 0.00097 0.0029 07/19/21 JMK <br /> Chrysene SW8270ESIM ND U UG/L 1 0.020 0.0020 0.0059 07/19/21 JMK <br /> Benzo(b)fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.0029 0.0087 07/19/21 JMK <br /> Benzo(k)fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.0046 0.014 07/19/21 JMK <br /> Benzo(a)pyrene SW8270ESIM ND U UG/L 1 0.020 0.0022 0.0065 07/19/21 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270ESIM ND U UG/L 1 0.020 0.0018 0.0053 07/19/21 JMK <br /> Dibenz(a,h)anth racene SW8270ESIM ND U UG/L 1 0.020 0.0034 0.010 07/19/21 JMK <br /> Benzo(g,h,i)perylene SW8270ESIM ND U UG/L 1 0.020 0.0019 0.0057 07/19/21 JMK <br /> Arsenic E200.8 ND U UG/L 1 1.0 0.15 0.45 07/14/21 EBS <br /> Chromium E200.8 ND U UG/L 1 2.0 0.10 0.29 07/14/21 EBS <br /> Lead E200.8 ND U UG/L 1 1.0 0.090 0.28 07/14/21 EBS <br /> Arsenic(Dissolved) E200.8 ND U UG/L 1 1.0 0.15 0.45 07/14/21 EBS <br /> Chromium(Dissolved) E200.8 ND U UG/L 1 2.0 0.10 0.29 07/14/21 EBS <br /> Lead(Dissolved) E200.8 ND U UG/L 1 1.0 0.090 0.28 07/14/21 EBS <br /> SPIKE LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD RESULTS QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 93.0 10.0 9.30 60 140 07/17/21 KLS <br /> Pentacosane NWTPH-DX 88.5 80.0 70.8 60 126 07/18/21 JNF <br /> 1,2-Dichloroethane-d4 SW8260D 105 5.00 5.24 71 130 07/14/21 DLC <br /> Toluene-D8 SW8260D 100 5.00 5.02 80 120 07/14/21 DLC <br /> p-Bromofluorobenzene SW8260D 105 5.00 5.27 78 120 07/14/21 DLC <br /> Terphenyl-d14 SW8270ESIM 106 2.38 2.52 50 147 07/19/21 JMK <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> Page 4 <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 />