3600 SMITH AVE 2025-08-19 - Laserfiche WebLink

ALS Enuironme ntal CERTIFICATE OF ANALYSIS CLIENT: GeoEngineers, Inc. DATE: 4/14/2021 1101 Fawcett Ave. S., Suite 200 ALS SDG#: EV21040032 Tacoma, WA 98402 WDOE ACCREDITATION: C601 CLIENT CONTACT: Jacob Letts CLIENT PROJECT: Smith St. Mill LABORATORY CONTROL SAMPLE RESULTS SPIKE LIMITS ANALYSIS ANALYSIS BY SPIKED COMPOUND METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE Acetone-BS SW8260D 93.4 10.0 9.34 50 150 04/08/21 DLC Acetone-BSD SW8260D 93.3 0 10.0 9.33 50 150 25 04/08/21 DLC 1,1-Dichloroethene-BS SW8260D 87.5 10.0 8.75 72.5 136 04/08/21 DLC 1,1-Dichloroethene-BSD SW8260D 90.1 3 10.0 9.01 72.5 136 20.5 04/08/21 DLC Methylene chloride-BS SW8260D 95.5 10.0 9.55 50 150 04/08/21 DLC Methylene chloride-BSD SW8260D 96.3 1 10.0 9.63 50 150 25 04/08/21 DLC Acrylonitrile-BS SW8260D 102 10.0 10.2 50 150 04/08/21 DLC Acrylonitrile-BSD SW8260D 100 2 10.0 10.0 50 150 25 04/08/21 DLC Methyl tert butyl ether(MTBE)-BS SW8260D 89.2 10.0 8.92 50 150 04/08/21 DLC Methyl tert butyl ether(MTBE)-BSD SW8260D 89.2 0 10.0 8.92 50 150 25 04/08/21 DLC trans-1,2-Dichloroethene-BS SW8260D 86.3 10.0 8.63 50 150 04/08/21 DLC trans-1,2-Dichloroethene-BSD SW8260D 86.5 0 10.0 8.65 50 150 25 04/08/21 DLC 1,1-Dichloroethane-BS SW8260D 98.5 10.0 9.85 50 150 04/08/21 DLC 1,1-Dichloroethane-BSD SW8260D 97.9 1 10.0 9.79 50 150 25 04/08/21 DLC 2-Butanone(Methyl ethyl ketone) SW8260D 84.4 10.0 8.44 50 150 04/08/21 DLC (MEK)-BS 2-Butanone(Methyl ethyl ketone) SW8260D 85.8 2 10.0 8.58 50 150 25 04/08/21 DLC (MEK)-BSD cis-1,2-Dichloroethene-BS SW8260D 89.8 10.0 8.98 50 150 04/08/21 DLC cis-1,2-Dichloroethene-BSD SW8260D 89.4 0 10.0 8.94 50 150 25 04/08/21 DLC 2,2-Dichloropro pane-BS SW8260D 106 10.0 10.6 50 150 04/08/21 DLC 2,2-Dichloropro pane-BSD SW8260D 104 2 10.0 10.4 50 150 25 04/08/21 DLC Chlorobromomethane-BS SW8260D 89.5 10.0 8.95 50 150 04/08/21 DLC Chlorobromomethane-BSD SW8260D 88.1 2 10.0 8.81 50 150 25 04/08/21 DLC Chloroform(Trichloromethane)-BS SW8260D 103 10.0 10.3 50 150 04/08/21 DLC Chloroform(Trichloromethane)-BSD SW8260D 101 2 10.0 10.1 50 150 25 04/08/21 DLC 1,1,1-Trichloroethane-BS SW8260D 101 10.0 10.1 50 150 04/08/21 DLC 1,1,1-Trichloroethane-BSD SW8260D 100 1 10.0 10.0 50 150 25 04/08/21 DLC 1,1-Dichloropropene-BS SW8260D 97.1 10.0 9.71 50 150 04/08/21 DLC 1,1-Dichloropropene-BSD SW8260D 95.0 2 10.0 9.50 50 150 25 04/08/21 DLC 1,2-Dichloroethane-BS SW8260D 94.5 10.0 9.45 50 150 04/08/21 DLC 1,2-Dichloroethane-BSD SW8260D 93.7 1 10.0 9.37 50 150 25 04/08/21 DLC Benzene-BS SW8260D 86.9 10.0 8.69 74.7 143 04/08/21 DLC Benzene-BSD SW8260D 87.6 1 10.0 8.76 74.7 143 20.5 04/08/21 DLC Trichloroethene-BS SW8260D 96.9 10.0 9.69 74.4 141 04/08/21 DLC Trichloroethene-BSD SW8260D 97.3 0 10.0 9.73 74.4 141 20.5 04/08/21 DLC 1,2-Dichloropro pane-BS SW8260D 87.3 10.0 8.73 50 150 04/08/21 DLC 1,2-Dichloropro pane-BSD SW8260D 88.2 1 10.0 8.82 50 150 25 04/08/21 DLC Dibromomethane-BS SW8260D 88.9 10.0 8.89 50 150 04/08/21 DLC Dibromomethane-BSD SW8260D 86.7 2 10.0 8.67 50 150 25 04/08/21 DLC Bromodichloromethane-BS SW8260D 91.4 10.0 9.14 50 150 04/08/21 DLC Page 21 ADDRESS 8620 Holly Drive,Suite 100, Everett,WA 98208 PHONE 425-356-2600 425-356-2626 ALS Group USA,Corp dba ALS Environmental www.aisgiobal.com RIGHT SU1-UTIOf15 � t I-F t t rlEF