3600 SMITH AVE 2025-08-19 - Laserfiche WebLink

ALS Enuironmenta1 CERTIFICATE OF ANALYSIS CLIENT: GeoEngineers, Inc. DATE: 7/23/2020 1101 Fawcett Ave. S., Suite 200 ALS SDG#: EV20070042 Tacoma, WA 98402 WDOE ACCREDITATION: C601 CLIENT CONTACT: Jacob Letts CLIENT PROJECT: Smith St. Mill LABORATORY CONTROL SAMPLE RESULTS SPIKE LIMITS ANALYSIS ANALYSIS BY SURROGATE METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE Toluene-d8-BS SW8260C 98.0 5.00 4.90 80 120 07/14/20 DLC Toluene-d8-BSD SW8260C 98.5 5.00 4.93 80 120 07/14/20 DLC p-Bromofluorobenzene-BS SW8260C 99.4 5.00 4.97 78 120 07/14/20 DLC p-Bromofluorobenzene-BSD SW8260C 99.4 5.00 4.97 78 120 07/14/20 DLC SQ1 - Spike outside of control limits with a high bias.Associated compounds non-detect. No corrective action taken. ALS Test Batch ID: 155432 -Water by SW8270DSIM Prepared 07/13/20 00:00 SPIKE LIMITS ANALYSIS ANALYSIS BY SPIKED COMPOUND METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE Naphthalene-BS SW8270DSIM 61.4 5.00 3.07 36 118 07/23/20 JMK Naphthalene-BSD SW8270DSIM 53.3 14 5.00 2.67 36 118 27 07/23/20 JMK 2-Methylnaphthalene-BS SW8270DSIM 62.9 5.00 3.14 20 150 07/23/20 JMK 2-Methylnaphthalene-BSD SW8270DSIM 54.8 14 5.00 2.74 20 150 30 07/23/20 JMK 1-Methylnaphthalene-BS SW8270DSIM 62.4 5.00 3.12 20 150 07/23/20 JMK 1-Methylnaphthalene-BSD SW8270DSIM 54.6 13 5.00 2.73 20 150 30 07/23/20 JMK Acenaphthylene-BS SW8270DSIM 84.2 5.00 4.21 20 150 07/23/20 JMK Acenaphthylene-BSD SW8270DSIM 78.2 7 5.00 3.91 20 150 30 07/23/20 JMK Acenaphthene-BS SW8270DSIM 80.6 5.00 4.03 37 125 07/23/20 JMK Acenaphthene-BSD SW8270DSIM 74.6 8 5.00 3.73 37 125 29 07/23/20 JMK Fluorene-BS SW8270DSIM 98.3 5.00 4.92 20 150 07/23/20 JMK Fluorene-BSD SW8270DSIM 92.9 6 5.00 4.65 20 150 30 07/23/20 JMK Phenanthrene-BS SW8270DSIM 101 5.00 5.07 20 150 07/23/20 JMK Phenanthrene-BSD SW8270DSIM 98.1 3 5.00 4.91 20 150 30 07/23/20 JMK Anthracene-BS SW8270DSIM 106 5.00 5.32 20 150 07/23/20 JMK Anthracene-BSD SW8270DSIM 102 4 5.00 5.11 20 150 30 07/23/20 JMK Fluoranthene-BS SW8270DSIM 103 5.00 5.17 20 150 07/23/20 JMK Fluoranthene-BSD SW8270DSIM 100 3 5.00 5.01 20 150 30 07/23/20 JMK Pyrene-BS SW8270DSIM 108 5.00 5.40 59 156 07/23/20 JMK Pyrene-BSD SW8270DSIM 94.0 14 5.00 4.70 59 156 22 07/23/20 JMK Benz[a]anthracene-BS SW8270DSIM 104 5.00 5.19 20 150 07/23/20 JMK Benz[a]anthracene-BSD SW8270DSIM 99.8 4 5.00 4.99 20 150 30 07/23/20 JMK Chrysene-BS SW8270DSIM 102 5.00 5.12 20 150 07/23/20 JMK Chrysene-BSD SW8270DSIM 100 2 5.00 5.00 20 150 30 07/23/20 JMK Benzo(b)fluoranthene-BS SW8270DSIM 99.4 5.00 4.97 20 150 07/23/20 JMK Benzo(b)fluoranthene-BSD SW8270DSIM 95.9 4 5.00 4.79 20 150 30 07/23/20 JMK Benzo(k)fluoranthene-BS SW8270DSIM 95.8 5.00 4.79 20 150 07/23/20 JMK Benzo(k)fluoranthene-BSD SW8270DSIM 92.5 4 5.00 4.63 20 150 30 07/23/20 JMK Benzo(a)pyrene-BS SW8270DSIM 118 5.00 5.90 20 150 07/23/20 JMK Benzo(a)pyrene-BSD SW8270DSIM 108 8 5.00 5.42 20 150 30 07/23/20 JMK Indeno(1,2,3-cd)pyrene-BS SW8270DSIM 98.3 5.00 4.91 20 150 07/23/20 JMK Page 22 ADDRESS 8620 Holly Drive, Suite 100, Everett,WA 98208 1 PHONE 425-356-2600 425-356-2626 ALS Group USA,Corp dba ALS Environmental www.aisgiobal.com RIGHT SO1_UTI43f15 -I-I. I'IIS 11-1_