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ALS Enuironmenta1 <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 7/23/2020 <br /> 1101 Fawcett Ave. S., Suite 200 ALS JOB#: EV20070042 <br /> Tacoma, WA 98402 ALS SAMPLE#: EV20070042-01 <br /> CLIENT CONTACT: Jacob Letts DATE RECEIVED: 07/10/20 <br /> CLIENT PROJECT: Smith St. Mill COLLECTION DATE: 7/9/2020 1:52:00 PM <br /> CLIENT SAMPLE ID MW-1-070920 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 0.026 UG/L 1 0.020 0.00057 0.0017 07/23/20 JMK <br /> Pyrene SW8270DSIM 0.022 UG/L 1 0.020 0.0012 0.0035 07/23/20 JMK <br /> Benz[a]anthracene SW8270DSIM 0.047 UG/L 1 0.020 0.00095 0.0028 07/23/20 JMK <br /> Chrysene SW8270DSIM 0.086 UG/L 1 0.020 0.0019 0.0058 07/23/20 JMK <br /> Benzo(b)fluoranthene SW8270DSIM 0.070 UG/L 1 0.020 0.0028 0.0085 07/23/20 JMK <br /> Benzo(k)fluoranthene SW8270DSIM 0.089 UG/L 1 0.020 0.0045 0.014 07/23/20 JMK <br /> Benzo(a)pyrene SW8270DSIM 0.045 UG/L 1 0.020 0.0021 0.0064 07/23/20 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270DSIM 0.064 UG/L 1 0.020 0.0017 0.0052 07/23/20 JMK <br /> Dibenzo(a,h)anth racene SW8270DSIM 0.069 UG/L 1 0.020 0.0033 0.0099 07/23/20 JMK <br /> Benzo(ghi)perylene SW8270DSIM 0.065 UG/L 1 0.020 0.0018 0.0055 07/23/20 JMK <br /> Arsenic E200.8 1.4 UG/L 1 1.0 0.15 0.45 07/15/20 RAL <br /> Chromium E200.8 10 UG/L 1 2.0 0.10 0.29 07/15/20 RAL <br /> Lead E200.8 1.1 UG/L 1 1.0 0.090 0.28 07/15/20 RAL <br /> Arsenic(Dissolved) E200.8 ND U UG/L 1 1.0 0.15 0.45 07/15/20 RAL <br /> Chromium(Dissolved) E200.8 ND U UG/L 1 2.0 0.10 0.29 07/15/20 RAL <br /> Lead(Dissolved) E200.8 ND U UG/L 1 1.0 0.090 0.28 07/15/20 RAL <br /> SPIKE LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD RESULTS QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 104 10.0 10.4 60 140 07/15/20 KLS <br /> Pentacosane NWTPH-DX 71.9 80.0 57.5 60 126 07/14/20 EBS <br /> 1,2-Dichloroethane-d4 SW8260C 101 5.00 5.03 71 130 07/14/20 DLC <br /> Toluene-d8 SW8260C 100 5.00 5.02 80 120 07/14/20 DLC <br /> p-Bromofluorobenzene SW8260C 101 5.00 5.06 78 120 07/14/20 DLC <br /> Terphenyl-d14 SW8270DSIM 88.7 2.33 2.06 50 147 07/23/20 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 [ PHONE 425-356-2600 425-356-2626 <br /> ALS Group USA,Corp dba ALS Environmental <br /> www.aisgiobal.com <br /> RIGHT SO1-UTI43f15 -I-I. I-I�1 1-1 <br />