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ENGINEERED ESC 250 Old Murdock Road
SINTERED ATSUMI Troutman, NC 28166
COMPONENTS U TECH, LLC [phone]www.engsin.com
June 25, 2021
RE: COC- NCG030503
CERTIFIED MAIURETURN RECEIPT
N.C. Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
Dear Sir or Madam:
Enclosed are the results of first 2021 Semi-annual Stone Water Discharge Outfall
Monitoring Report. We have exceedances for Copper in Outfalls 2 and 3, and an
exceedance for Zinc at Outfall 3. We were granted relief from the Tiered
responses for our Copper and Zinc exceedances in January of 2015.
We also had an exceedance for TSS in Outfall 3. We will re -sample Outfall 3 at
the earliest opportunity to verify the TSS results. We will also evaluate for root
cause and determine feasible controls.
If you have questions or concerns, please feel free to contact me.
Respectfully Submitted,
Z_VX4
Beverly ftelch
EHST Manager
Cc: Jan Comer, VP of Human Resources