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ALS Enuironmenta1 <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 1/25/2021 <br /> 1101 Fawcett Ave. S., Suite 200 ALS JOB#: EV21010084 <br /> Tacoma, WA 98402 ALS SAMPLE#: EV21010084-01 <br /> CLIENT CONTACT: Jacob Letts DATE RECEIVED: 01/13/21 <br /> CLIENT PROJECT: Smith St. Mill COLLECTION DATE: 1/13/2021 9:00:00 AM <br /> CLIENT SAMPLE ID MW-1-011321 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 0.0059 01/18/21 JMK <br /> Anthracene SW8270ESIM ND U UG/L 1 0.020 0.0025 0.0076 01/18/21 JMK <br /> Fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.00057 0.0017 01/18/21 JMK <br /> Pyrene SW8270ESIM ND U UG/L 1 0.020 0.0012 0.0035 01/18/21 JMK <br /> Benzo(a)anthracene SW8270ESIM ND U UG/L 1 0.020 0.00095 0.0028 01/18/21 JMK <br /> Chrysene SW8270ESIM ND U UG/L 1 0.020 0.0019 0.0058 01/18/21 JMK <br /> Benzo(b)fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.0028 0.0085 01/18/21 JMK <br /> Benzo(k)fluoranthene SW8270ESIM ND U UG/L 1 0.020 0.0045 0.014 01/18/21 JMK <br /> Benzo(a)pyrene SW8270ESIM ND U UG/L 1 0.020 0.0021 0.0064 01/18/21 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270ESIM ND U UG/L 1 0.020 0.0017 0.0052 01/18/21 JMK <br /> Dibenz(a,h)anth racene SW8270ESIM ND U UG/L 1 0.020 0.0033 0.0099 01/18/21 JMK <br /> Benzo(g,h,i)perylene SW8270ESIM ND U UG/L 1 0.020 0.0018 0.0055 01/18/21 JMK <br /> Arsenic E200.8 2.3 UG/L 1 1.0 0.15 0.45 01/18/21 EBS <br /> Chromium E200.8 8.1 UG/L 1 2.0 0.10 0.29 01/18/21 EBS <br /> Lead E200.8 5.3 UG/L 1 1.0 0.090 0.28 01/18/21 EBS <br /> Arsenic(Dissolved) E200.8 ND U UG/L 1 1.0 0.15 0.45 01/18/21 EBS <br /> Chromium(Dissolved) E200.8 ND U UG/L 1 2.0 0.10 0.29 01/18/21 EBS <br /> Lead(Dissolved) E200.8 ND U UG/L 1 1.0 0.090 0.28 01/18/21 EBS <br /> SPIKE LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD RESULTS QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 97.4 10.0 9.74 60 140 01/16/21 KLS <br /> Pentacosane NWTPH-DX 94.9 80.0 75.9 60 126 01/19/21 JNF <br /> 1,2-Dichloroethane-d4 SW8260D 100 5.00 5.01 71 130 01/14/21 DLC <br /> Toluene-D8 SW8260D 103 5.00 5.17 80 120 01/14/21 DLC <br /> p-Bromofluorobenzene SW8260D 96.9 5.00 4.85 78 120 01/14/21 DLC <br /> Terphenyl-d14 SW8270ESIM 69.7 2.33 1.62 50 147 01/18/21 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 9820 PHONE 425-356-2600 425-356-2626 <br /> ALS Group USA,Corp dba ALS Environmental <br /> www.aisgiobal.com <br /> RIGHT SO1-UTIOf15 -11-. I� i_�� <br />