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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 CONTROL SAMPLE RESULTS <br /> SPIKE LIMITS ANALYSIS ANALYSIS BY <br /> SURROGATE METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE <br /> Toluene-d8-BS SW8260C 98.8 5.00 4.94 80 120 10/12/20 DLC <br /> Toluene-d8-BSD SW8260C 98.4 5.00 4.92 80 120 10/12/20 DLC <br /> p-Bromofluorobenzene-BS SW8260C 104 5.00 5.21 78 120 10/12/20 DLC <br /> p-Bromofluorobenzene-BSD SW8260C 105 5.00 5.24 78 120 10/12/20 DLC <br /> SQ1 - Spike outside of control limits with a high bias.Associated compounds non-detect. No corrective action taken. <br /> ALS Test Batch ID: 158566-Water by SW8270DSIM Prepared 10/15/20 00:00 <br /> SPIKE LIMITS ANALYSIS ANALYSIS BY <br /> SPIKED COMPOUND METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE <br /> Naphthalene-BS SW8270DSIM 68.7 5.00 3.44 36 118 10/16/20 JMK <br /> Naphthalene-BSD SW8270DSIM 66.2 4 5.00 3.31 36 118 27 10/16/20 JMK <br /> 2-Methylnaphthalene-BS SW8270DSIM 76.1 5.00 3.80 20 150 10/16/20 JMK <br /> 2-Methylnaphthalene-BSD SW8270DSIM 72.8 4 5.00 3.64 20 150 30 10/16/20 JMK <br /> 1-Methylnaphthalene-BS SW8270DSIM 74.7 5.00 3.73 20 150 10/16/20 JMK <br /> 1-Methylnaphthalene-BSD SW8270DSIM 70.5 6 5.00 3.53 20 150 30 10/16/20 JMK <br /> Acenaphthylene-BS SW8270DSIM 73.1 5.00 3.66 20 150 10/16/20 JMK <br /> Acenaphthylene-BSD SW8270DSIM 70.1 4 5.00 3.50 20 150 30 10/16/20 JMK <br /> Acenaphthene-BS SW8270DSIM 71.6 5.00 3.58 37 125 10/16/20 JMK <br /> Acenaphthene-BSD SW8270DSIM 68.0 5 5.00 3.40 37 125 29 10/16/20 JMK <br /> Fluorene-BS SW8270DSIM 78.0 5.00 3.90 20 150 10/16/20 JMK <br /> Fluorene-BSD SW8270DSIM 74.1 5 5.00 3.71 20 150 30 10/16/20 JMK <br /> Phenanthrene-BS SW8270DSIM 77.6 5.00 3.88 20 150 10/16/20 JMK <br /> Phenanthrene-BSD SW8270DSIM 78.3 1 5.00 3.91 20 150 30 10/16/20 JMK <br /> Anthracene-BS SW8270DSIM 77.5 5.00 3.88 20 150 10/16/20 JMK <br /> Anthracene-BSD SW8270DSIM 74.3 4 5.00 3.71 20 150 30 10/16/20 JMK <br /> Fluoranthene-BS SW8270DSIM 75.4 5.00 3.77 20 150 10/16/20 JMK <br /> Fluoranthene-BSD SW8270DSIM 72.6 4 5.00 3.63 20 150 30 10/16/20 JMK <br /> Pyrene-BS SW8270DSIM 73.4 5.00 3.67 59 156 10/16/20 JMK <br /> Pyrene-BSD SW8270DSIM 69.9 5 5.00 3.50 59 156 22 10/16/20 JMK <br /> Benz[a]anthracene-BS SW8270DSIM 79.0 5.00 3.95 20 150 10/16/20 JMK <br /> Benz[a]anthracene-BSD SW8270DSIM 76.6 3 5.00 3.83 20 150 30 10/16/20 JMK <br /> Chrysene-BS SW8270DSIM 75.5 5.00 3.78 20 150 10/16/20 JMK <br /> Chrysene-BSD SW8270DSIM 72.8 4 5.00 3.64 20 150 30 10/16/20 JMK <br /> Benzo(b)fluoranthene-BS SW8270DSIM 81.7 5.00 4.08 20 150 10/16/20 JMK <br /> Benzo(b)fluoranthene-BSD SW8270DSIM 78.1 4 5.00 3.91 20 150 30 10/16/20 JMK <br /> Benzo(k)fluoranthene-BS SW8270DSIM 81.7 5.00 4.09 20 150 10/16/20 JMK <br /> Benzo(k)fluoranthene-BSD SW8270DSIM 78.7 4 5.00 3.94 20 150 30 10/16/20 JMK <br /> Benzo(a)pyrene-BS SW8270DSIM 80.7 5.00 4.03 20 150 10/16/20 JMK <br /> Benzo(a)pyrene-BSD SW8270DSIM 77.2 4 5.00 3.86 20 150 30 10/16/20 JMK <br /> Indeno(1,2,3-cd)pyrene-BS SW8270DSIM 83.6 5.00 4.18 20 150 10/16/20 JMK <br /> Page 21 <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 SU1_UTIOf15 ­(moi.1 I•nrf t rlEF <br />