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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 SDG#: EV21010084 <br /> Tacoma, WA 98402 WDOE ACCREDITATION: C601 <br /> CLIENT CONTACT: Jacob Letts <br /> CLIENT PROJECT: Smith St. Mill <br /> LABORATORY BLANK RESULTS <br /> MBG-011521W2- Batch 161673-Water by NWTPH-GX Prepared 01/15/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Gasoline NWTPH-GX ND U UG/L 50 9.8 29 01/16/21 KLS <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 98.0 10.0 9.80 60 140 01/16/21 KLS <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-011321W- Batch 161659 -Water by NWTPH-DX Prepared 01/13/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Total Petroleum Hydrocarbon-Diesel NWTPH-DX ND U UG/L 130 40 120 01/17/21 JNF <br /> Total Petroleum Hydrocarbon-Oil NWTPH-DX ND U UG/L 250 36 110 01/17/21 JNF <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> Pentacosane NWTPH-DX 85.0 100 85.0 60 126 01/17/21 JNF <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-011421W- Batch 161611 -Water by SW8260D Prepared 01/14/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Dichlorodifluoromethane(CFC-12) SW8260D ND U UG/L 2.0 0.13 0.38 01/14/21 DLC <br /> Chloromethane(Methyl Chloride) SW8260D ND U UG/L 2.0 0.068 0.20 01/14/21 DLC <br /> Vinyl chloride SW8260D ND U UG/L 0.20 0.0036 0.011 01/14/21 DLC <br /> Bromomethane(Methyl Bromide) SW8260D ND U UG/L 2.0 0.082 0.24 01/14/21 DLC <br /> Chloroethane SW8260D ND U UG/L 2.0 0.073 0.22 01/14/21 DLC <br /> Carbon tetrachloride SW8260D ND U UG/L 2.0 0.020 0.058 01/14/21 DLC <br /> Trichlorofluoromethane(CFC-11) SW8260D ND U UG/L 2.0 0.13 0.39 01/14/21 DLC <br /> Carbon disulfide SW8260D ND U UG/L 2.0 0.10 0.31 01/14/21 DLC <br /> Acetone SW8260D ND U UG/L 25 0.22 0.66 01/14/21 DLC <br /> 1,1-Dichloroethene SW8260D ND U UG/L 2.0 0.0053 0.016 01/14/21 DLC <br /> Methylene chloride SW8260D ND U UG/L 5.0 0.34 1.0 01/14/21 DLC <br /> Acrylonitrile SW8260D ND U UG/L 10 0.096 0.29 01/14/21 DLC <br /> Methyl tert butyl ether(MTBE) SW8260D ND U UG/L 2.0 0.049 0.15 01/14/21 DLC <br /> trans-1,2-Dichloroethene SW8260D ND U UG/L 2.0 0.078 0.24 01/14/21 DLC <br /> 1,1-Dichloroethane SW8260D ND U UG/L 2.0 0.068 0.21 01/14/21 DLC <br /> 2-Butanone(Methyl ethyl ketone)(MEK) SW8260D ND U UG/L 10 0.23 0.68 01/14/21 DLC <br /> cis-1,2-Dichloroethene SW8260D ND U UG/L 2.0 0.076 0.23 01/14/21 DLC <br /> 2,2-Dichloropropane SW8260D ND U UG/L 2.0 0.16 0.47 01/14/21 DLC <br /> Page 19 <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 />