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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 /> I LABORATORY BLANK RESULTS <br /> MB-011421W- Batch 161611 -Water by SW8260D Prepared 01/14/21 00:00 <br /> 1,4-Dichlorobenzene SW8260D ND U UG/L 2.0 0.13 0.39 01/14/21 DLC <br /> n-Butylbenzene SW8260D ND U UG/L 2.0 0.16 0.48 01/14/21 DLC <br /> 1,2-Dichlorobenzene SW8260D ND U UG/L 2.0 0.12 0.37 01/14/21 DLC <br /> 1,2-Dibromo-3-chloropropane(DBCP) SW8260D ND U UG/L 10 0.0085 0.027 01/14/21 DLC <br /> 1,2,4-Trichlorobenzene SW8260D ND U UG/L 2.0 0.13 0.38 01/14/21 DLC <br /> Hexachlorobutadiene SW8260D ND U UG/L 2.0 0.17 0.50 01/14/21 DLC <br /> Naphthalene SW8260D ND U UG/L 2.0 0.12 0.36 01/14/21 DLC <br /> 1,2,3-Trichlorobenzene SW8260D ND U UG/L 2.0 0.13 0.38 01/14/21 DLC <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> 1,2-Dichloroethane-d4 SW8260D 101 5.00 5.03 71 130 01/14/21 DLC <br /> Toluene-D8 SW8260D 102 5.00 5.12 80 120 01/14/21 DLC <br /> p-Bromofluorobenzene SW8260D 96.6 5.00 4.83 78 120 01/14/21 DLC <br /> U-Analyte analyzed for but not detected at level above reporting limit. <br /> MB-011821W- Batch 161705-Water by SW8270ESIM Prepared 01/18/21 00:00 <br /> LIMITS ANALYSIS ANALYSIS <br /> ANALYTE METHOD RESULTS QUAL UNITS RL MDL PQL DATE BY <br /> Naphthalene SW8270ESIM ND U UG/L 0.020 0.00078 0.0024 01/18/21 JMK <br /> 2-Methylnaphthalene SW8270ESIM ND U UG/L 0.020 0.0017 0.0052 01/18/21 JMK <br /> 1-Methylnaphthalene SW8270ESIM ND U UG/L 0.020 0.0010 0.0030 01/18/21 JMK <br /> Acenaphthylene SW8270ESIM ND U UG/L 0.020 0.0025 0.0074 01/18/21 JMK <br /> Acenaphthene SW8270ESIM ND U UG/L 0.020 0.0036 0.011 01/18/21 JMK <br /> Fluorene SW8270ESIM ND U UG/L 0.020 0.0011 0.0033 01/18/21 JMK <br /> Phenanthrene SW8270ESIM ND U UG/L 0.020 0.0021 0.0063 01/18/21 JMK <br /> Anthracene SW8270ESIM ND U UG/L 0.020 0.0027 0.0082 01/18/21 JMK <br /> Fluoranthene SW8270ESIM ND U UG/L 0.020 0.00061 0.0018 01/18/21 JMK <br /> Pyrene SW8270ESIM ND U UG/L 0.020 0.0013 0.0038 01/18/21 JMK <br /> Benzo(a)anthracene SW8270ESIM ND U UG/L 0.020 0.0010 0.0031 01/18/21 JMK <br /> Chrysene SW8270ESIM ND U UG/L 0.020 0.0021 0.0062 01/18/21 JMK <br /> Benzo(b)fluoranthene SW8270ESIM ND U UG/L 0.020 0.0030 0.0091 01/18/21 JMK <br /> Benzo(k)fluoranthene SW8270ESIM ND U UG/L 0.020 0.0049 0.015 01/18/21 JMK <br /> Benzo(a)pyrene SW8270ESIM ND U UG/L 0.020 0.0023 0.0069 01/18/21 JMK <br /> Indeno(1,2,3-cd)pyrene SW8270ESIM ND U UG/L 0.020 0.0018 0.0055 01/18/21 JMK <br /> Dibenz(a,h)anth racene SW8270ESIM ND U UG/L 0.020 0.0036 0.011 01/18/21 JMK <br /> Benzo(g,h,i)perylene SW8270ESIM ND U UG/L 0.020 0.0020 0.0060 01/18/21 JMK <br /> SPIKE CONTROL LIMITS ANALYSIS ANALYSIS <br /> SURROGATE METHOD %REC QUAL ADDED RESULT MIN MAX DATE BY <br /> Terphenyl-d14 SW8270ESIM 77.3 2.50 1.93 50 147 01/18/21 JMK <br /> Page 21 <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 />