NCG200347_Emails RE Tier Response Guidance_20220328

Georgoulias, Bethany
From: Georgoulias, Bethany
Sent: Friday, March 25, 2022 1:19 PM
To: Michael Helbein
Cc: Carson, Brittany; Khan, Zahid; Morman, Alaina
Subject: RE: [External] SMC Stormwater Letter:
Attachments: 20220325 NCDENR.PDF
Hi, Michael,
Thanks for your call and for sending this letter so I can read it and give you a more thorough response.
This letter was issued in 2013, so that tier monitoring relief extended the rest of that permit cycle. When the new
General Permit was issued in 2019, it was fine to continue semi-annual monitoring as per the permit. However, if the
site has had more exceedances recorded since then you should be following the tier responses if needed. The 2013
letter doesn't remove the obligation to respond to exceedances since August 1, 2019. In other words, things sort of
"started over" for your site on August 1, 2019 with the new permit.
We didn't talk about what the sampling results have looked like since then, so if you need to follow the Tier responses in
the permit for any results over the benchmark, please do that. The count of exceedances for triggering Tier 3 (any 4)
starts over at the beginning of the permit cycle. If you need to contact the Mooresville Regional Office again to address
Tier 2 or Tier 3, or to request relief from more frequent monitoring again, Zahid Khan is copied above.
I hope this information helps.
Best regards,
Bethany Georgoulias (she/her)
Environmental Engineer
Stormwater Program, Division of Energy, Mineral, and Land Resources
N.C. Department of Environmental Quality
919 707 3641 office
[e-mail]
512 N. Salisbury Street, Raleigh, NC 27604 (location)
1612 Mail Service Center, Raleigh, NC 27699-1612 (mailing)
Website: http://deq.nc.gov/about/divisions/energy-mineral-land-resources/stormwater
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From: Michael Helbein [mailto:[e-mail]]
Sent: Friday, March 25, 2022 12:57 PM
To: Georgoulias, Bethany <[e-mail]>
Subject: [External] SMC Stormwater Letter:
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
Report Spam.
Thanks Bethany!
Michael Helbein
Southern Metals Company
[phone]

A'ria
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Energy, Mineral and Land Resources
Land Quality Section
Tracy E. Davis, PE, CPM
Director
Mr. Robert Helbein, Owner
Southern Metals Company
Post Office Box 668923
Charlotte, North Carolina 28266-8923
Dear Mr. Helbein:
Pat McCrory, Governor
John E. Skvarla, III, Secretary
December 10, 2013
Subject: Tier 2 Monitoring/Request for Reduced
Sampling Response
Southern Metals Facility
NPDES Stormwater Permit NCG200347
Mecklenburg County, North Carolina
The Mooresville Regional Office is in receipt of your letter dated November 25, 2013 requesting a waiver for
-.he Tier 2 Monitoring associated with your stormwater permit. The facility has implemented several strategies to
try and alleviate benchmark exceedences, as described in the attached inspection report. Significant reductions
have been made in the metal concentrations of the stormwater discharge. The facility has been sporadically in
compliance with the benchmarks after the tiered responses and, as discussed during the inspection, you will
install/maintain additional floc logs for aid in settling in an effort to further reduce metal concentrations. Therefore,
the Division grants Southern Metals Company a waiver of additional sampling associated with the Tier 2 response
of the site's stormwater permit (NCG200347). Please be advised that semiannual sampling must still be conducted,
as described in Section B-Analytical Monitoring Requirements -of the permit. Please place this letter with your
stormwater pollution prevention plan as documentation for the waiver of the tiered response.
Sincerely,
3,A,j s.t6,—
Zahid S. Khan
Regional Engineer
Land Quality Section
Enclosure
Cc: Stormwater Permitting
Z,SK/DH/ae
Mooresville Regional Office
610 East Center Avenue, Suite 301, Mooresville, North Carolina 28115
Telephone [phone] / FAX: [phone] • Internet: httpl/portal.ncdenr.org/webllr/land-quality
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