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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#: EV21010084-06 <br /> CLIENT CONTACT: Jacob Letts DATE RECEIVED: 01/13/21 <br /> CLIENT PROJECT: Smith St. Mill COLLECTION DATE: 1/13/2021 <br /> CLIENT SAMPLE ID TRIP BLANK 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 /> Dibromide) <br /> Chlorobenzene SW8260D ND U UG/L 1 2.0 0.089 0.27 01/14/21 DLC <br /> 1,1,1,2-Tetrachloroethane SW8260D ND U UG/L 1 2.0 0.092 0.28 01/14/21 DLC <br /> Ethylbenzene SW8260D ND U UG/L 1 2.0 0.097 0.29 01/14/21 DLC <br /> m&p-Xylenes SW8260D ND U UG/L 1 4.0 0.19 0.57 01/14/21 DLC <br /> Styrene SW8260D ND U UG/L 1 2.0 0.075 0.22 01/14/21 DLC <br /> o-Xylene SW8260D ND U UG/L 1 2.0 0.086 0.26 01/14/21 DLC <br /> Bromoform SW8260D ND U UG/L 1 2.0 0.072 0.22 01/14/21 DLC <br /> Isopropyl benzene SW8260D ND U UG/L 1 2.0 0.099 0.30 01/14/21 DLC <br /> 1,1,2,2-Tetrachloroethane SW8260D ND U UG/L 1 2.0 0.048 0.14 01/14/21 DLC <br /> 1,2,3-Trichloropropane SW8260D ND U UG/L 1 2.0 0.0060 0.018 01/14/21 DLC <br /> Bromobenzene SW8260D ND U UG/L 1 2.0 0.13 0.38 01/14/21 DLC <br /> n-Propylbenzene SW8260D ND U UG/L 1 2.0 0.15 0.46 01/14/21 DLC <br /> 2-Chlorotoluene SW8260D ND U UG/L 1 2.0 0.15 0.44 01/14/21 DLC <br /> 1,3,5-Tri methyl benzene SW8260D ND U UG/L 1 2.0 0.15 0.44 01/14/21 DLC <br /> 4-Chlorotoluene SW8260D ND U UG/L 1 2.0 0.14 0.43 01/14/21 DLC <br /> tert-Butyl benzene SW8260D ND U UG/L 1 2.0 0.16 0.48 01/14/21 DLC <br /> 1,2,4-Tri methyl benzene SW8260D ND U UG/L 1 2.0 0.14 0.43 01/14/21 DLC <br /> 2-Phenylbutane(sec-Butyl benzene) SW8260D ND U UG/L 1 2.0 0.16 0.48 01/14/21 DLC <br /> Cymene(p-Isopropyltoluene) SW8260D ND U UG/L 1 2.0 0.16 0.47 01/14/21 DLC <br /> 1,3-Dichlorobenzene SW8260D ND U UG/L 1 2.0 0.13 0.40 01/14/21 DLC <br /> 1,4-Dichlorobenzene SW8260D ND U UG/L 1 2.0 0.13 0.39 01/14/21 DLC <br /> n-Butylbenzene SW8260D ND U UG/L 1 2.0 0.16 0.48 01/14/21 DLC <br /> 1,2-Dichlorobenzene SW8260D ND U UG/L 1 2.0 0.12 0.37 01/14/21 DLC <br /> 1,2-Dibromo-3-chloropropane SW8260D ND U UG/L 1 10 0.0085 0.027 01/14/21 DLC <br /> (DBCP) <br /> 1,2,4-Trichlorobenzene SW8260D ND U UG/L 1 2.0 0.13 0.38 01/14/21 DLC <br /> Hexachlorobutadiene SW8260D ND U UG/L 1 2.0 0.17 0.50 01/14/21 DLC <br /> Naphthalene SW8260D ND U UG/L 1 2.0 0.12 0.36 01/14/21 DLC <br /> 1,2,3-Trichlorobenzene SW8260D ND U UG/L 1 2.0 0.13 0.38 01/14/21 DLC <br /> SPIKE LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD RESULTS QUAL ADDED RESULT MIN MAX DATE BY <br /> 1,2-Dichloroethane-d4 SW8260D 100 5.00 5.00 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 97.5 5.00 4.88 78 120 01/14/21 DLC <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> Page 18 <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 />