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Waypoint 449 Springbrook Rd, Charlotte, NC 28217
Main 704.529.6364
ANALYTICAL www.waypointanalytical.com
9/21/2022
Weyerhaeuser Corporation
Dennis Atkinson
524 Pride Way
Elkin, NC, 28621
Ref: Analytical Testing
Lab Report Number: 22-257-0024
Client Project Description: Stormwater
Dear Dennis Atkinson:
Waypoint Analytical, LLC (Charlotte) received sample(s)on 9/14/2022 for the analyses presented in the
following report.
The above referenced project has been analyzed per your instructions. The analyses were performed in
accordance with the applicable analytical method.
The analytical data has been validated using standard quality control measures performed as required by the
analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all
parameters were performed in accordance with guidelines established by the USEPA(including 40 CFR 136
Method Update Rule May 2021)unless otherwise indicated.
Certain parameters (chlorine, pH, dissolved oxygen, sulfite...)are required to be analyzed within 15 minutes of
sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time.
Refer to sample analysis time for confirmation of holding time compliance.
The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an as-
received basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to
the samples included in this report.
Please do not hesitate to contact me or client services if you have any questions or need additional information.
Sincerely,
2Q,uC U�- ,
Terri W Cole
Laboratory Project Manager
Laboratory's liability in any claim relating to analyses performed shall be limited to,at laboratory's option, repeating the
analysis in question at laboratory's expense,or the refund of the charges paid for performance of said analysis.
Page 1 of 7

•
449 Springbrook Rd, Charlotte, NC 28217
Waypoint. 'Main 704.529.6364
ANALYTICAL www.waypointanalytical.com
Sample Summary Table
Report Number: 22-257-0024
Client Project Description: Stormwater
Lab No Client Sample ID Matrix Date Collected Date Received
99226 Stormwater Aqueous 09/13/2022 09:12 09/14/2022 15:30
Page 3 of 7

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Waypoint, -- 449 Springbrook Rd,Charlotte, NC 28217
iViain 704.529.6364
ANALYTICAL www.waypointanalytical.corn
00052
Weyerhaeuser Corporation Project Stormwater
Dennis Atkinson Report Date: 09/21/2022
524 Pride Way Information : Received :09/14/2022
Elkin , NC 28621
Report Number:22-257-0024 REPORT OF ANALYSIS
Lab No: 99226 Matrix: Aqueous
Sample ID :Stormwater Sampled: 9/13/2022 9:12
Test Results Units MQL DF Date I Time By Analytical
Analyzed Method
Biochemical Oxygen Demand(5-day) 19.9 mg/L 2.0 1 09/14/22 17:42 SLO 5210B-2015
COD(Chemical Oxygen Demand) 181 mg/L 50 1 09/20/22 09:57 SMW 5220D-2011
SGT HEM: Non-Polar Material <6.2 mg/L 6.2 1 09/20/22 16:30 SLO 1664E-SGT
pH 7.0 s.u. 1 09/15/22 15:10 CLB 4500H+B-2011
Total Suspended Solids 163 mg/L 17.2 1 09/16/22 10:20 CMJ 2540D-2015
Qualifiers/ DF Dilution Factor MQL Method Quantitation Limit
Definitions
Page 5 of 7

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