NCG060445_Tier Response_20240403

TRITON ENVIRONMENTAL, INC.
Environmental Consulting&Engineering
LETTER TRANSMITTAL
Date: April 3, 2024 Copy: Ms. Jennifer Witt-Zielke
To: North Carolina Department of Manager, Bulk Distribution Services
Environmental Quality River Region
Winston-Salem Regional Office Morton Salt, Inc.
450 West Hanes Mill Road, Suite 300 444 W. Lake Street
Winston-Salem,NC 27105 Suite 3000
Chicago,IL 60606
From: Paul Simonetta
RE: General Permit No.NCG060000 Part E-6 Notification
Morton Salt,Inc.-Siloam,North Carolina
To Whom It May Concern-Triton Environmental,Inc. (Triton)is providing notification in accordance
with Part E-6 of General Permit No. NCG060000 on behalf of the Morton Salt,Inc. (Morton) site located
in Siloam,North Carolina.
Laboratory analytical results reviewed on March 20, 2024 indicated Chemical Oxygen Demand was
detected at a concentration of 2,410 mg/L during routine quarterly monitoring completed on March 7,
2024. The concentration of the parameter was above the benchmark limit of 120 mg/l.
Morton will also be completing the additional required actions to address this exceedance (ie. stormwater
management inspection,identifying and evaluating possible causes of the benchmark exceedance,
selecting and implementing specific courses of action to reduce concentrations of COD).
Thank you for your attention to this matter. If you have any questions or comments,please contact me at
203.458.7200.
Sincerely,
7: /14''''Vl7C-"--'
Paul C. Simonetta,CHMM
Ref.No.105597LT05