HomeMy WebLinkAboutNCG030714_Cormetech Monitoring_20220218Sri �
Lanette Plyler
Director of Environmental, Health & Safety
February 16, 2022
11707 Steele Creek Road
Charlotte, North Carolina 28273 USA
Phone 7044144621
Fax 704-827-8935
l.plyier@cormetech.com
INC Department of Environmental Quality
Mooresville Regional Office p of R. ®? N N'Q11 -OFM(
610 East Center Avenue, Suite 301 eq �Se R
Mooresville, NC 28115 °s° a o�°°
Attn: Zahid Khan; Regional Engineer; Energy, Mineral, and Land Resources
Re: Notification of Two Consecutive Copper Benchmark Exceedances at Stormwater Outall 001
CORMETECH, Inc. Kings Mountain, NC Facility (Certificate of Coverage NCG030714)
Dear Mr. Khan:
Pursuant to Part E, Section E-6, Table 4, Row 2-ii of the North Carolina General Industrial Stormwater
Permit NCG030000 with effective date July 1, 2021, CORMETECH, Inc. is submitting the following
notification.
Quarterly stormwater sampling conducted on 12/18/2021 (41, Quarter 2021) and on 1/9/2021 (1st Quarter
2022) has revealed copper results in excess of the permit benchmark of 0.010 mg/L. The table below
provides details of the sample results.
Outfall
Sample Quarter
Sample Date/Quarter
Copper Result
(Benchmark —0.010m /L
001
4th Quarter 2021
12/18/2021
0.013
001
151 Quarter 2022
1/9/2022
0.011
In response to these copper benchmark exceedances, CORMETECH has taken the following actions.
• Conducted a Tier Two Stormwater Management Inspection in effort to identify and evaluate
possible causes of the benchmark exceedances.
• Implemented viable action plans to reduce concentrations of copper at the affected stormwater
outfalls.
• Implemented monthly monitoring for all permit parameters at Stormwater Ouffall 001 in addition to
the previous monthly sampling already notified for Outfalls 004 & 006.
Please advise if you have questions regarding this notification. I can be reached via phone at 980-722-
1811 or via email at I.olvler a0cormetech.com.
Regards,
Lanette Plyler
Director of Environmental,
Health & Safety
CORMETECH, Inc.