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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 SDG#: EV20070042 <br /> Tacoma, WA 98402 WDOE ACCREDITATION: C601 <br /> CLIENT CONTACT: Jacob Letts <br /> CLIENT PROJECT: Smith St. Mill <br /> LABORATORY BLANK RESULTS <br /> MBG-07152OW- Batch 155430 -Water by NWTPH-GX Prepared 07/15/20 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 07/15/20 KLS <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> TFT NWTPH-GX 103 10.0 10.3 60 140 07/15/20 KLS <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-07132OW- Batch 155457 -Water by NWTPH-DX Prepared 07/13/20 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 07/15/20 EBS <br /> Total Petroleum Hydrocarbon-Oil NWTPH-DX ND U UG/L 250 36 110 07/15/20 EBS <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> Pentacosane NWTPH-DX 91.9 100 91.9 60 126 07/15/20 EBS <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-07142OW- Batch 155482 -Water by SW8260C Prepared 07/14/20 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> CFC-12 SW8260C ND U UG/L 2.0 0.13 0.38 07/14/20 DLC <br /> Chloromethane SW8260C ND U UG/L 2.0 0.068 0.20 07/14/20 DLC <br /> Vinyl Chloride SW8260C ND U UG/L 0.20 0.0036 0.011 07/14/20 DLC <br /> Bromomethane SW8260C ND U UG/L 2.0 0.082 0.24 07/14/20 DLC <br /> Chloroethane SW8260C ND U UG/L 2.0 0.073 0.22 07/14/20 DLC <br /> Carbon Tetrachloride SW8260C ND U UG/L 2.0 0.020 0.058 07/14/20 DLC <br /> CFC-11 SW8260C ND U UG/L 2.0 0.13 0.39 07/14/20 DLC <br /> Carbon Disulfide SW8260C ND U UG/L 2.0 0.10 0.31 07/14/20 DLC <br /> Acetone SW8260C ND U UG/L 25 0.22 0.66 07/14/20 DLC <br /> 1,1-Dichloroethene SW8260C ND U UG/L 2.0 0.0053 0.016 07/14/20 DLC <br /> Methylene Chloride SW8260C ND U UG/L 5.0 0.34 1.0 07/14/20 DLC <br /> Acrylonitrile SW8260C ND U UG/L 10 0.096 0.29 07/14/20 DLC <br /> Methyl t-butyl ether SW8260C ND U UG/L 2.0 0.049 0.15 07/14/20 DLC <br /> Trans-1,2-Dichloroethene SW8260C ND U UG/L 2.0 0.078 0.24 07/14/20 DLC <br /> 1,1-Dichloroethane SW8260C ND U UG/L 2.0 0.068 0.21 07/14/20 DLC <br /> 2-Butanone SW8260C ND U UG/L 10 0.23 0.68 07/14/20 DLC <br /> Cis-1,2-Dichloroethene SW8260C ND U UG/L 2.0 0.076 0.23 07/14/20 DLC <br /> 2,2-Dichloropropane SW8260C ND U UG/L 2.0 0.16 0.47 07/14/20 DLC <br /> Page 14 <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 />