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ALS Enuironme ntal <br /> CERTIFICATE OF ANALYSIS <br /> CLIENT: GeoEngineers, Inc. DATE: 10/19/2020 <br /> 1101 Fawcett Ave. S., Suite 200 ALS SDG#: EV20100044 <br /> Tacoma, WA 98402 WDOE ACCREDITATION: C601 <br /> CLIENT CONTACT: Jacob Letts <br /> CLIENT PROJECT: Smith St. Mill <br /> LABORATORY BLANK RESULTS <br /> MB-101220W- Batch 158552 -Water by SW8260C Prepared 10/12/20 00:00 <br /> n-Butylbenzene SW8260C ND U UG/L 2.0 0.16 0.48 10/12/20 DLC <br /> 1,2-Dichlorobenzene SW8260C ND U UG/L 2.0 0.12 0.37 10/12/20 DLC <br /> 1,2-Dibromo-3-Chloropropane SW8260C ND U UG/L 10 0.0085 0.027 10/12/20 DLC <br /> 1,2,4-Trichlorobenzene SW8260C ND U UG/L 2.0 0.13 0.38 10/12/20 DLC <br /> Hexachlorobutadiene SW8260C ND U UG/L 2.0 0.17 0.50 10/12/20 DLC <br /> Naphthalene SW8260C ND U UG/L 2.0 0.12 0.36 10/12/20 DLC <br /> 1,2,3-Trichlorobenzene SW8260C ND U UG/L 2.0 0.13 0.38 10/12/20 DLC <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> 1,2-Dichloroethane-d4 SW8260C 107 5.00 5.34 71 1 130 10/12/20 DLC <br /> Toluene-d8 SW8260C 99.8 5.00 4.99 80 1 120 10/12/20 DLC <br /> p-Bromofluorobenzene SW8260C 105 5.00 5.25 78 1 120 10/12/20 DLC <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-101520W- Batch 158566-Water by SW8270DSIM Prepared 10/15/20 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Naphthalene SW8270DSIM ND U UG/L 0.020 0.00078 0.0024 10/16/20 JMK <br /> 2-Methylnaphthalene SW8270DSIM ND U UG/L 0.020 0.0017 0.0052 10/16/20 JMK <br /> 1-Methylnaphthalene SW8270DSIM ND U UG/L 0.020 0.0010 0.0030 10/16/20 JMK <br /> Acenaphthylene SW8270DSIM ND U UG/L 0.020 0.0025 0.0074 10/16/20 JMK <br /> Acenaphthene SW8270DSIM ND U UG/L 0.020 0.0036 0.011 10/16/20 JMK <br /> Fluorene SW8270DSIM ND U UG/L 0.020 0.0011 0.0033 10/16/20 JMK <br /> Phenanthrene SW8270DSIM ND U UG/L 0.020 0.0021 0.0063 10/16/20 JMK <br /> Anthracene SW8270DSIM ND U UG/L 0.020 0.0027 0.0082 10/16/20 JMK <br /> Fluoranthene SW8270DSIM ND U UG/L 0.020 0.00061 0.0018 10/16/20 JMK <br /> Pyrene SW8270DSIM ND U UG/L 0.020 0.0013 0.0038 10/16/20 JMK <br /> Benz[a]anthracene SW8270DSIM ND U UG/L 0.020 0.0010 0.0031 10/16/20 JMK <br /> Chrysene SW8270DSIM ND U UG/L 0.020 0.0021 0.0062 10/16/20 JMK <br /> Benzo(b)fluoranthene SW8270DSIM ND U UG/L 0.020 0.0030 0.0091 10/16/20 JMK <br /> Benzo(k)fluoranthene SW8270DSIM ND U UG/L 0.020 0.0049 0.015 10/16/20 JMK <br /> Benzo(a)pyrene SW8270DSIM ND U UG/L 0.020 0.0023 0.0069 10/16/20 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270DSIM ND U UG/L 0.020 0.0018 0.0055 10/16/20 JMK <br /> Dibenzo(a,h)anthracene SW8270DSIM ND U UG/L 0.020 0.0036 0.011 10/16/20 JMK <br /> Benzo(ghi)perylene SW8270DSIM ND U UG/L 0.020 0.0020 0.0060 10/16/20 JMK <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> Terphenyl-d14 SW8270DSIM 77.5 20.0 15.5 50 1 147 10/16/20 JMK <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> Page 15 <br /> ADDRESS 8620 Holly Drive,Suite 100, Everett,WA 98208 1 PHONE 425-356-2600 1 FAX 425-356-2626 <br /> ALS Group USA,Corp dba ALS Environmental <br /> www.aisgiobal.com <br /> RIGHT SU1-UTIOf15 -(moi.1 I•nrf t rlEF <br />