3600 SMITH AVE 2025-08-19 - Laserfiche WebLink

ALS Enuironme ntal CERTIFICATE OF ANALYSIS CLIENT: GeoEngineers, Inc. DATE: 10/19/2020 1101 Fawcett Ave. S., Suite 200 ALS SDG#: EV20100044 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 Bromobenzene-BSD SW8260C 90.7 3 10.0 9.07 50 150 25 10/12/20 DLC n-Propylbenzene-BS SW8260C 100 10.0 10.0 50 150 10/12/20 DLC n-Propylbenzene-BSD SW8260C 95.9 4 10.0 9.59 50 150 25 10/12/20 DLC 2-Chlorotoluene-BS SW8260C 98.2 10.0 9.82 50 150 10/12/20 DLC 2-Chlorotoluene-BSD SW8260C 95.0 3 10.0 9.50 50 150 25 10/12/20 DLC 1,3,5-Trimethylbenzene-BS SW8260C 99.3 10.0 9.93 50 150 10/12/20 DLC 1,3,5-Trimethylbenzene-BSD SW8260C 95.5 4 10.0 9.55 50 150 25 10/12/20 DLC 4-Chlorotoluene-BS SW8260C 97.4 10.0 9.74 50 150 10/12/20 DLC 4-Chlorotoluene-BSD SW8260C 94.1 4 10.0 9.41 50 150 25 10/12/20 DLC Tert-Butyl benzene-BS SW8260C 96.2 10.0 9.62 50 150 10/12/20 DLC Tert-Butyl benzene-BSD SW8260C 92.2 4 10.0 9.22 50 150 25 10/12/20 DLC 1,2,4-Trimethylbenzene-BS SW8260C 98.5 10.0 9.85 50 150 10/12/20 DLC 1,2,4-Trimethylbenzene-BSD SW8260C 95.2 3 10.0 9.52 50 150 25 10/12/20 DLC Sec-Butylbenzene-BS SW8260C 99.3 10.0 9.93 50 150 10/12/20 DLC Sec-Butylbenzene-BSD SW8260C 95.1 4 10.0 9.51 50 150 25 10/12/20 DLC p-Isopropyltoluene-BS SW8260C 97.6 10.0 9.76 50 150 10/12/20 DLC p-Isopropyltoluene-BSD SW8260C 94.3 3 10.0 9.43 50 150 25 10/12/20 DLC 1,3-Dichlorobenzene-BS SW8260C 96.3 10.0 9.63 50 150 10/12/20 DLC 1,3-Dichlorobenzene-BSD SW8260C 93.7 3 10.0 9.37 50 150 25 10/12/20 DLC 1,4-Dichlorobenzene-BS SW8260C 93.2 10.0 9.32 50 150 10/12/20 DLC 1,4-Dichlorobenzene-BSD SW8260C 90.1 3 10.0 9.01 50 150 25 10/12/20 DLC n-Butylbenzene-BS SW8260C 106 10.0 10.6 50 150 10/12/20 DLC n-Butylbenzene-BSD SW8260C 102 4 10.0 10.2 50 150 25 10/12/20 DLC 1,2-Dichlorobenzene-BS SW8260C 93.1 10.0 9.31 50 150 10/12/20 DLC 1,2-Dichlorobenzene-BSD SW8260C 90.9 2 10.0 9.09 50 150 25 10/12/20 DLC 1,2-Dibromo-3-Chloropropane-BS SW8260C 94.7 10.0 9.47 50 150 10/12/20 DLC 1,2-Dibromo-3-Chloropropane-BSD SW8260C 93.3 2 10.0 9.33 50 150 25 10/12/20 DLC 1,2,4-Trichlorobenzene-BS SW8260C 101 10.0 10.1 50 150 10/12/20 DLC 1,2,4-Trichlorobenzene-BSD SW8260C 100 1 10.0 10.0 50 150 25 10/12/20 DLC Hexachlorobutadiene-BS SW8260C 104 10.0 10.4 50 150 10/12/20 DLC Hexachlorobutadiene-BSD SW8260C 98.9 5 10.0 9.89 50 150 25 10/12/20 DLC Naphthalene-BS SW8260C 94.0 10.0 9.40 50 150 10/12/20 DLC Naphthalene-BSD SW8260C 98.3 4 10.0 9.83 50 150 25 10/12/20 DLC 1,2,3-Trichlorobenzene-BS SW8260C 99.8 10.0 9.98 50 150 10/12/20 DLC 1,2,3-Trichlorobenzene-BSD SW8260C 99.1 1 10.0 9.91 50 150 25 10/12/20 DLC SPIKE LIMITS ANALYSIS ANALYSIS BY SURROGATE METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE 1,2-Dichloroethane-d4-BS SW8260C 105 5.00 5.25 71 130 10/12/20 DLC 1,2-Dichloroethane-d4-BSD SW8260C 105 5.00 5.24 71 130 10/12/20 DLC Page 20 ADDRESS 8620 Holly Drive,Suite 100, Everett,WA 98208 1 PHONE 425-356-2600 1 FAX 425-356-2626 ALS Group USA,Corp dba ALS Environmental www.aisgiobal.com RIGHT SU1-UTIOf15 � t I-F t t rlEF