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 1,1,2,2-Tetrachloroethane-BSD SW8260D 85.3 0 10.0 8.53 50 150 25 04/08/21 DLC 1,2,3-Trichloropropane-BS SW8260D 86.3 10.0 8.63 50 150 04/08/21 DLC 1,2,3-Trichloropropane-BSD SW8260D 93.0 7 10.0 9.30 50 150 25 04/08/21 DLC Bromobenzene-BS SW8260D 91.9 10.0 9.19 50 150 04/08/21 DLC Bromobenzene-BSD SW8260D 94.2 3 10.0 9.42 50 150 25 04/08/21 DLC n-Propylbenzene-BS SW8260D 90.2 10.0 9.02 50 150 04/08/21 DLC n-Propylbenzene-BSD SW8260D 91.6 2 10.0 9.16 50 150 25 04/08/21 DLC 2-Chlorotoluene-BS SW8260D 90.7 10.0 9.07 50 150 04/08/21 DLC 2-Chlorotoluene-BSD SW8260D 94.2 4 10.0 9.42 50 150 25 04/08/21 DLC 1,3,5-Trimethylbenzene-BS SW8260D 90.2 10.0 9.02 50 150 04/08/21 DLC 1,3,5-Trimethylbenzene-BSD SW8260D 93.1 3 10.0 9.31 50 150 25 04/08/21 DLC 4-Chlorotoluene-BS SW8260D 89.8 10.0 8.98 50 150 04/08/21 DLC 4-Chlorotoluene-BSD SW8260D 93.7 4 10.0 9.37 50 150 25 04/08/21 DLC tert-Butyl benzene-BS SW8260D 86.2 10.0 8.62 50 150 04/08/21 DLC tert-Butyl benzene-BSD SW8260D 87.7 2 10.0 8.77 50 150 25 04/08/21 DLC 1,2,4-Trimethylbenzene-BS SW8260D 89.4 10.0 8.94 50 150 04/08/21 DLC 1,2,4-Trimethylbenzene-BSD SW8260D 92.2 3 10.0 9.22 50 150 25 04/08/21 DLC 2-Phenylbutane(sec-Butyl benzene)-BS SW8260D 90.6 10.0 9.06 50 150 04/08/21 DLC 2-Phenylbutane(sec-Butyl benzene)- SW8260D 92.5 2 10.0 9.25 50 150 25 04/08/21 DLC BSD Cymene(p-Isopropyltoluene)-BS SW8260D 94.5 10.0 9.45 50 150 04/08/21 DLC Cymene(p-Isopropyltoluene)-BSD SW8260D 97.9 4 10.0 9.79 50 150 25 04/08/21 DLC 1,3-Dichlorobenzene-BS SW8260D 89.2 10.0 8.92 50 150 04/08/21 DLC 1,3-Dichlorobenzene-BSD SW8260D 91.3 2 10.0 9.13 50 150 25 04/08/21 DLC 1,4-Dichlorobenzene-BS SW8260D 86.4 10.0 8.64 50 150 04/08/21 DLC 1,4-Dichlorobenzene-BSD SW8260D 89.3 3 10.0 8.93 50 150 25 04/08/21 DLC n-Butylbenzene-BS SW8260D 88.2 10.0 8.82 50 150 04/08/21 DLC n-Butylbenzene-BSD SW8260D 90.5 3 10.0 9.05 50 150 25 04/08/21 DLC 1,2-Dichlorobenzene-BS SW8260D 91.2 10.0 9.12 50 150 04/08/21 DLC 1,2-Dichlorobenzene-BSD SW8260D 92.5 1 10.0 9.25 50 150 25 04/08/21 DLC 12-Dibromo-3-chloropropane(DBCP)- SW8260D 88.5 10.0 8.85 50 150 04/08/21 DLC BS 1,2-Dibromo-3-chloropropane(DBCP)- SW8260D 86.3 2 10.0 8.63 50 150 25 04/08/21 DLC BSD 1,2,4-Trichlorobenzene-BS SW8260D 93.3 10.0 9.33 50 150 04/08/21 DLC 1,2,4-Trichlorobenzene-BSD SW8260D 99.1 6 10.0 9.91 50 150 25 04/08/21 DLC Hexachlorobutadiene-BS SW8260D 90.8 10.0 9.08 50 150 04/08/21 DLC Hexachlorobutadiene-BSD SW8260D 92.1 1 10.0 9.21 50 150 25 04/08/21 DLC Naphthalene-BS SW8260D 91.4 10.0 9.14 50 150 04/08/21 DLC Naphthalene-BSD SW8260D 93.8 3 10.0 9.38 50 150 25 04/08/21 DLC 1,2,3-Trichlorobenzene-BS SW8260D 88.6 10.0 8.86 50 150 04/08/21 DLC Page 23 ADDRESS 8620 Holly Drive,Suite 100, Everett,WA 98208 1 PHONE 425-356-2600 I FAX 425-356-2626 ALS Group USA,Corp dba ALS Environmental www.aisgiobal.com RIGHT SU1-UTIOf15 � t I-F t t rlEF