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 SPIKED COMPOUND METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE Bromobenzene-BSD SW8260C 89.9 5 10.0 8.99 50 150 25 07/14/20 DLC n-Propylbenzene-BS SW8260C 96.0 10.0 9.60 50 150 07/14/20 DLC n-Propylbenzene-BSD SW8260C 89.7 7 10.0 8.97 50 150 25 07/14/20 DLC 2-Chlorotoluene-BS SW8260C 94.1 10.0 9.41 50 150 07/14/20 DLC 2-Chlorotoluene-BSD SW8260C 88.7 6 10.0 8.87 50 150 25 07/14/20 DLC 1,3,5-Tri methyl benzene-BS SW8260C 96.0 10.0 9.60 50 150 07/14/20 DLC 1,3,5-Tri methyl benzene-BSD SW8260C 90.2 6 10.0 9.02 50 150 25 07/14/20 DLC 4-Chlorotoluene-BS SW8260C 93.6 10.0 9.36 50 150 07/14/20 DLC 4-Chlorotoluene-BSD SW8260C 88.8 5 10.0 8.88 50 150 25 07/14/20 DLC Tert-Butylbenzene-BS SW8260C 93.5 10.0 9.35 50 150 07/14/20 DLC Tert-Butylbenzene-BSD SW8260C 88.1 6 10.0 8.81 50 150 25 07/14/20 DLC 1,2,4-Tri methyl benzene-BS SW8260C 94.7 10.0 9.47 50 150 07/14/20 DLC 1,2,4-Tri methyl benzene-BSD SW8260C 89.5 6 10.0 8.95 50 150 25 07/14/20 DLC Sec-Butyl benzene-BS SW8260C 96.4 10.0 9.64 50 150 07/14/20 DLC Sec-Butyl benzene-BSD SW8260C 90.3 6 10.0 9.03 50 150 25 07/14/20 DLC p-Isopropyltoluene-BS SW8260C 96.5 10.0 9.65 50 150 07/14/20 DLC p-Isopropyltoluene-BSD SW8260C 90.7 6 10.0 9.07 50 150 25 07/14/20 DLC 1,3-Dichlorobenzene-BS SW8260C 95.1 10.0 9.51 50 150 07/14/20 DLC 1,3-Dichlorobenzene-BSD SW8260C 90.0 6 10.0 9.00 50 150 25 07/14/20 DLC 1,4-Dichlorobenzene-BS SW8260C 107 10.0 10.7 50 150 07/14/20 DLC 1,4-Dichlorobenzene-BSD SW8260C 102 5 10.0 10.2 50 150 25 07/14/20 DLC n-Butylbenzene-BS SW8260C 109 10.0 10.9 50 150 07/14/20 DLC n-Butylbenzene-BSD SW8260C 102 6 10.0 10.2 50 150 25 07/14/20 DLC 1,2-Dichlorobenzene-BS SW8260C 94.3 10.0 9.43 50 150 07/14/20 DLC 1,2-Dichlorobenzene-BSD SW8260C 90.4 4 10.0 9.04 50 150 25 07/14/20 DLC 1,2-Dibromo-3-Chloropropane-BS SW8260C 83.8 10.0 8.38 50 150 07/14/20 DLC 1,2-Dibromo-3-Chloropropane-BSD SW8260C 80.6 4 10.0 8.06 50 150 25 07/14/20 DLC 1,2,4-Trichlorobenzene-BS SW8260C 96.1 10.0 9.61 50 150 07/14/20 DLC 1,2,4-Trichlorobenzene-BSD SW8260C 92.7 4 10.0 9.27 50 150 25 07/14/20 DLC Hexachlorobutadiene-BS SW8260C 101 10.0 10.1 50 150 07/14/20 DLC Hexachlorobutadiene-BSD SW8260C 95.2 6 10.0 9.52 50 150 25 07/14/20 DLC Naphthalene-BS SW8260C 87.3 10.0 8.73 50 150 07/14/20 DLC Naphthalene-BSD SW8260C 87.7 0 10.0 8.77 50 150 25 07/14/20 DLC 1,2,3-Trichlorobenzene-BS SW8260C 93.8 10.0 9.38 50 150 07/14/20 DLC 1,2,3-Trichlorobenzene-BSD SW8260C 91.3 3 10.0 9.13 50 150 25 07/14/20 DLC SPIKE LIMITS ANALYSIS ANALYSIS BY SURROGATE METHOD %REC RPD QUAL ADDED RESULT MIN MAX RPD DATE 1,2-Dichloroethane-d4-BS SW8260C 99.7 5.00 4.99 71 130 07/14/20 DLC 1,2-Dichloroethane-d4-BSD SW8260C 99.7 5.00 4.98 71 130 07/14/20 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 SO1-UTI43f15 -I-I. I-I�1 1-1