NCG100000_Caroll Salvage - HISTORICAL_20140627

NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory John E. Skvada, III
Governor Secretary
June 27, 2014
Carroll Salvage
Attn: Arthur Carroll
1235 NC 41N
Pink Hill, NC 28572
Dear Mr. Carroll:
In response to your letter of intent for applying for a NPDES general stormwater permit, this office
conducted a site visit to evaluate the property. The property does not have a point source of the
stormwater discharging to the adjacent ditches. The stormwater runoff can be defined as sheetflow and
is therefore not regulated under NCG10000. This determination is dependent on the scale of the
operation being limited to the interior area of the site. A buffer zone must be maintained near the
ditches to keep water from channelizing and creating a point source. The responsibility will be with you
to determine applicability of the permit as the operation grows (phase II).
We discussed some best management practices for containing contaminants onsite. You should
implement these practices even without the permit requirement, as you may expose the property to
groundwater contamination. Please contact me in the future if you have any questions or concerns.
Environmental Specialist
Land Quality Section
Division of Energy, Mineral, and Land Resources
Land Quality Section — Wilmington Regional Office
127 Cardinal Drive Extension, Wilmington, North Carolina 28405 • (910) 796-72151 Fax: [phone]
An Equal Opportunity 1 Affirmative Action Employer • 30% Post Consumer Paper • Internet:
http://Portal.ncdenr,om/web/Ir/

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Page 2 of 2
October 25, 2012
Response to Comments on Draft NPOES General Permit NCG100000 —Auto Salvage Activities
Summary of Other Changes to the Final Permit
DWQ made some changes to the draft permit before finalizing. These changes were minor, and
DWQ concluded additional notice and/or EPA review was not necessary. The changes were:
1. Part II, Section A (Stormwater Pollution Prevention Plan), 2.(b): Added language to
include petroleum products and reference how federal oil Spill Prevention, Control, and
Countermeasure Plan (SPCC) can fulfill some requirements of the Stormwater Pollution
Prevention Plan (SPPP) where it demonstrates compliance.
Part II, Table 1 (Analytical Monitoring for Stormwater), Footnote 3: Added clarification
that DWQ's representative outfall status (ROS) approval remains in effect through
subsequent renewals as long as relevant site conditions and operations have not
changed.
3. Part II, paragraph following Table 1: Language added to specify that "Sampling is not
required outside of the facility's normal operating hours."
4. Part fl, paragraph following Table 2: Language modified to include option for Division to
require monthly monitoring because of a failure to monitor semi-annually (rather than
automatically requiring monthly monitoring upon failure to monitor). Also, clarification
that adverse weather conditions preventing sample collection does not constitute a
failure to monitor.
5. Part II, second paragraph following Table 2: Added clarification that DWQ's release of a
permittee from Tier 2 monthly monitoring remains in effect through subsequent
renewals unless other conditions are specified.
6. Part II, Table 3: Corrected typo for HQW in parameter table. Also modified Footnote 1
to allow precipitation pH (if lower than 6 s.u.) as lower benchmark value.
7. Part II, Tier 2 and Qualitative Monitoring Response boxes: Replaced "DWQ" acronym
with "The Division."
Conclusion
DWQ's overall intent in proposing changes to the General Permit was to provide permit
requirements that will encourage industrial permittees to respond with prompt corrective
action to the discovery of pollutant discharges in excess of the benchmark values. DWQ
received no comments on the proposed draft General Permit NCG100000 but incorporated
comments regarding other proposed general permits, as appropriate.

North Carolina Division of Water Quality Response to Comments and
Summary of Final Changes to NPDES Stormwater General Permit NCG100000
(2012 Renewal)
Background
NPDES General Permit NCG100000, which regulates stormwater discharges from used motor
vehicle parts and automobile wrecking for scrap activities (SIC categories 5015 and 5093),
expires on October 31, 2012. The North Carolina Division of Water Quality (DWQ) announced
in selected newspapers across the State on or about September 1, 2012 that the draft of the
proposed renewal General Permit would be posted on our website for public comment. DWQ
also ran this notice in the North Carolina Register the same month; on the Stormwater
Permitting Unit website in September 2012; and in renewal letters to all affected permittees.
DWQ revises and reissues NPDES stormwater General Permits on a five-year schedule. Every
five years we review analytical data from the previous five-year term of the permits; evaluate
identified compliance problems and problems in our enforcement of the permits; and seek to
improve the effectiveness of the permits as stormwater management tools for the permittees.
The draft NCG100000 permit and Fact Sheet were posted to the Stormwater Permitting Unit's
website on September 1, 2012. The public comment period was scheduled to close on October
1, 2012 and was extended to October 8'h to compensate for the delay in some newspaper
notice publish dates. During this time, DWQ staff received no comments on the proposed draft
General Permit NCG100000. The Division received public comments about proposed draft
general permits for other industrial sectors expiring at the same time, and some of those
comments have been addressed in the final NCG100000 permit for consistency.
EPA Region IV staff in Atlanta was sent the draft General Permit on September 4, 2012. On
September 17, 2012, EPA Region IV responded that the agency concurred with no comments.
EPA's additional review and approval would be necessary if the proposed final General Permit
incorporated significant changes from the draft or if significant public comments objecting to
the permit were received. DWQ concluded that neither of these criteria was met and
therefore, further EPA review is not required.
DWQ prepared this summary document both for those interested parties that submitted
written comments on draft General Permits proposed at the same time, as well as for other
interested parties. This document will be posted on our website for public access.
Comments and Responses
DWQ received no written comments on the draft General Permit NCG100000 during the
announced public comment period. Please see Response to Comments documents for other
NPDES stormwater general permits that expire on October 31, 2012. In some cases, those
responses explain some of the changes to the final NCG100000 permit.