NCG030647_COMPLETE FILE - HISTORICAL_20190506

M �-o,
STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT N0.
Iv CC U -2
DOC TYPE
-�YHISTORICALPILE
❑ MONITORING REPORTS
DOC DATE
❑ � b' � D 5 D (9
YYYYMMDD

Subject:
_,�' f 2: 1 ) � 9
10,
May 1, 2019
NC DENR Division of Water Quality
Surface Water Protection Section
!; 610 East Center Ave.
Mooresville, NC 28115
a>
d� G�
Representative Outfall Status (ROS) Request
Greenheck Fan Corporation COC: NCG030647
To Whom It May Concern:
On behalf of Greenheck Fan Corporation, please find the enclosed "Representative Outfall Status
(ROS) Request Form," two (2) copies of the facility site map, and a summary of monitoring results
table to request ROS analytical sampling at Outfall # 1 at the property. This request is being
submitted after on -site review and discussions with Holliday Keen, an Environmental Senior
Specialist at DEMLR. Holliday would be familiar with site operations and history of the site.
The facility is regulated under General Permit No. NCG030000 "Metal Fabrication." The facility is
additionally regulated by Permit No. SWO03 under the City of Shelby's Phase II Stormwater
Ordinance. Three (3) drainage areas with corresponding outfalls are present at the property (see
enclosed site maps). To comply with City of Shelby's Phase II Stormwater Ordinance, Drainage
Area # 1 was designed as high -density and runoff is controlled and treated by a wet detention basin.
Drainage areas #2 and #3 were designed as low -density. No TMDLs or impairments are noted for
the associated receiving waterbody beyond a statewide TMDL for mercury contaminated fish tissue.
All potential industrial stormwater exposures are contained outside the southern portion of the
facility and within Drainage Area # 1 as indicated on the enclosed site maps. Potential exposures
within Drainage Area # 1 include:
1)
Scrap metal dumpsters,
2)
Wood pallets,
3)
Laser dust dumpster,
4)
Lumber,
5)
Empty drums,
6)
Metal parts,
7)
Loading docks, and
8)
Garbage dumpsters.
Drainage Areas #2 and #3 serve only as employee parking and are ancillary to associated industrial
activity. The parking area is paved and surrounded by manicured grass. We are requesting ROS
for Outfall # 1 (Drainage Area # 1) only since the vast majority of industrial activity occurs within this
drainage area and would be representative of the true industrial stormwater exposures at the site.
i
t
� I
i
0 RE[ Engine g Inc. P:\6066-6099\6016-Greenheck\Nonh Camlfna\Stormwater\Shelby Storm Wi ter\OEO CorroapOndence\Req for RCp O lfall Sum-\ i I6NCROS.docx
I 1I {ri

ALIT
NCDENR
Division of Water Quality / Surface Water Protection
National Pollutant Discharge Elimination System
REPRESENTATIVE OUTFALL STATUS (ROS)
REQUEST FORM
FOR AGENCY USE ONLY
Date Received
Year
Month
Da
if a facility is required to sample multiple discharge locations with very similar stormwater discharges, the
permittee may petition the Director for Representative Outfall Status (ROS). DWQ may grant Representative
Outfall Status if stormwater discharges from a single outfall are representative of discharges from multiple
outfalls. Approved ROS will reduce the number of outfalls where analytical sampling requirements apply.
If Representative Outfall Status is granted, ALL outfalls are still subject to the gualitatfve monitoring
requirements of the facility's permit —unless otherwise allowed by the permit (such as NCGO20000) and DWQ
approval. The approval letter from DWQ must be kept on site with the facility's Stormwater Pollution
Prevention Plan. The facility must notify DWQ in writing if any changes affect representative status.
1)
a
For questions, please contact the DWQ Regional Office for your area (see page 3).
(Please print or type)
Enter the permit number to which this ROS request applies l
Individual Permit (or) Certificate of Coverage
N I C I 5 �- N C G 0 3 0 ii 4 7
Facility Information:;
Owner/Facility Name Greenheck Fan Corporation: c�
V'A' (P
Facility Contact Jason Powell 6 co 'A
Street Address 2000 Partnership Drive °'- o
City Shelby O-W State NC ZIP Code 28150
County Cleveland `� E-mail Address [e-mail]
Telephone No. [phone] Fax:
3) List the representative outfalls) information (attach additional sheets if necessary):
Outfall(s) 1 is representative of Outfall(s) 2
Outfalls' drainage areas have the same or similar activities? ❑ Yes X No
Outfalls' drainage areas contain the same or similar materials? ❑ Yes X No
Outfalls have similar monitoring results? X Yes ❑ No ❑ No data*
Outfall(s)
is representative of Outfall(s)
Outfalls' drainage areas have the same or similar activities? ❑ Yes X No
Outfalls' drainage areas contain the same or similar materials? ❑ Yes X No
Outfalls have similar monitoring results? X Yes ❑ No o No data*
Outfall(s) is representative of Outfall(s)
Outfalls' drainage areas have the same or similar activities? ❑ Yes ❑ No
Outfalls' drainage areas contain the same or similar materials? ❑ Yes ❑ No
Outfalls have similar monitoring results? ❑ Yes ❑ No ❑ No data*
*Non-compliance with analytical monitoring prior to this request may prevent ROS approval. Specific
Page 1 of 3
SW U-ROS-2009 Last revised 12/30/2009

A summary of monitoring results table is enclosed. Historical sampling at Outfalls # 1 and #2 have
been within permitted benchmark values. One (1 ) exceedance of the benchmark for zinc occurred
at Outfall #3 on February 281h, 2018 during the first annual sampling event. It is unknown why zinc
was present at levels above the benchmark at this outfall since this drainage area is not associated
with storage of industrial materials and no material handling operations occur in the area. A
potential explanation may be the third -party laboratory may have collected the sample at the wrong
location. As seen in the attached site map, if the sample was collected downstream of the outlet pipe
it would not be representative of the stormwater leaving the facility parking area. Collecting a
sample beyond the outlet pipe would include runoff from off -site properties and roadways located
north of the facility.
In summary, we are formally requesting analytical sampling requirements for Outfall # 1 only.
Outfall # 1 represents stormwater runoff from all industrial activities at the site. We request that
analytical sampling is waived for Outfalls #2 and #3 since these areas of the property are ancillary
to industrial activity and serve as employee parking. All other permit requirements would apply to
Outfalls #2 and #3.
Please feel free to contact me with any questions at [phone]. A copy of this request has also
been emailed to Suzanne McCoy at suzanne.mccoyencdenr.gov as directed by your website.
Sincerely,
REI Engineering, Inc.
Jason Christopherson, M.S.
Environmental & Safety Consultant
Enclosures
ORE] Engtneenng Inc. - 2 - P:\6000-6099\6016-Creenheck\North CarolLn,\Stortmaater\Shelhy Storm Water\CEO
Correspondence\Req for Rep Oulfdll Status\6016NCROS.docx

Representative Outfall Status Request
circumstances will be considered by the Regional Office responsible for review.
4) Detailed explanation about why the outfalls above should be granted Representative Status:
(Or, attach a letter or narrative to discuss this information.) For example, describe how activities and/or
materials are similar.
Please see attached cover letter
S) Certification:
North Carolina General Statute 143-215.6 B(i) provides that:
Any person who knowingly makes any false statement, representation, or certification in any application, record,
report, plan, or other document filed or required to be maintained under this Article or a rule implementing this
Article; or who knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case
under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device
or method required to be operated or maintained under this Article or rules of the [Environmental Management]
Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed
ten thousand dollars ($10,000).
I hereby request Representative Outfall Status for my NPDES Permit. I understand that ALL outfalls are still
subject to the qualitative monitoring requirements of the permit, unless otherwise allowed by the permit
and regional office approval. I must notify DWQ in writing if any changes to the facility or its operations take
place after ROS is granted that may affect this status. If ROS no longer applies, I understand I must resume
monitoring of all outfalls as specified in my NPDES permit.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
ning: Jason Powell
Title:JTant Ma
Of
5
/1//
(Date Signed)
Plea note: This applii;ation for Representative Outfall Status is subject to approval by the
N NR Regional Office. The Regional Office may inspect your facility for compliance with the
conditions of the permit prior to that approval.
Final Checklist for ROS Request
This application should include the following items:
X This completed form.
X Letter or narrative elaborating on the reasons why specified outfalls should be granted representative
status, unless all information can be included in Question 4.
X Two (2) copies of a site map of the facility with the location of all outfalls clearly marked, including the
drainage areas, industrial activities, and raw materials/finished products within each drainage area.
X Summary of results from monitoring conducted at the outfalls listed in Question 3.
X Any other supporting documentation.
Mail the entire package to:
NC DENR Division of Water Quality
Surface Water Protection Section
at the appropriate Regional Office (See map and addresses below)
Page 2 of 3
SWU-ROS-2009 Last revised 1213012009

Representative Outfall Status Request
Notes
The submission of this document does not guarantee Representative outfall Status (ROS) will be granted as
requested. Analytical monitoring as per your current permit must be continued, at all outfalls, until written
approval of this request is granted by DWQ. Non-compliance with analytical monitoring prior to this request
may prevent ROS approval. Specific circumstances will be considered by the Regional Office responsible for
review.
For questions, please contact the DWQ Regional Office for your area.
Asheville Regional Office
2090 U.S. Highway 70
Washington Regional Office
Swannanoa, NC 28778
943 Washington Square Mail
Washington, NC 27889
Phone [phone]
FAX [phone]
Phone [phone]
FAX [phone]
Fayettevilie Regional Office
Systel Building,
Wilmington Regional Office
225 Green St., Suite 714
127 Cardinal Drive Extension
Fayetteville, NC 28301-5094
Wilmington, NC 28405
Phone [phone] Phone [phone]
FAX [phone] FAX [phone]
Mooresville Regional Office
Winston-Salem Regional Office
610 East Center Ave.
585 Waughtown Street
Mooresville, NC 28115
Winston-Salem, NC 27107
Phone [phone]
Phone [phone]
Water Quality Main FAX [phone]
FAX [phone]
Central Office
Raleigh Regional Office
1617 Mail Service Center
1628 Mail Service Center
Raleigh, NC 27699-1617
Raleigh, NC 27699-1628
Phone [phone]
Phone [phone]
FAX [phone]
FAX [phone]
Page 3 of 3
SWU-ROS-2009 Last revised 12/30/2009

DRAINAGEAREA#1 DRAINAGEAREA#2 DRAINAGEAREA#3
_ c _
PERVIOUS(S.F.) 177,403 27,659 21,141
NOW le 11 75 — , _. F IMPERVIOUS (S.F.j 198,782 23,012 51.277
OUTFALL #2 \ f 4 rwosl sb 3,297 J TOTAL(S.F.) 376,185 50,671 72,418
f� - -_ —• - - -- 4�7
DRAINAGE
AREA #2DRAINAGE
I r fa��.,ra; - �`" -^�•` =�
5 ° � ..YC[_ i [ - � .....-a••s...r_-,rr[/ �� � ,
f I _ - A #�
AREr- �w0sl sa' zc sa r = „I
iIIf1 rI1. .�,
��t /yr / k i .l•� I 1 16' I'I.I.I_I { �..I ° 111 ["u 1 I I I I I11�� —. _ - rt`R �. :;,a \•' a <:�%
- -- - UY .
%� 1. - t - ,.tea: ' I �.I•� F
L.
------- J. �t bi
} f •3 OUTFALL #3
DRAINAGE "A
AREA #I
ill �� .''71 .�� .Ih'�ft�_ � � � c«.ss I I, ��'i�3 i�ll� -_-- .� .3 ��•\
1 I OI I -1 I lllI
N II I, LIT I
I I ' � �d I� cA.'.'.'F• � - c � J EXPANSION
l
,��, �) 1„^ _• M I' 1 , t8f1,000 SF
CRYO TANKS '' u I IIII ■ l I i I I r�',
-- i.' LI i �I_.�� I'��}± �, - -�F ....J _�r• I �` i / ! I '
� +-. ! I I� I J•'.I_J ��_._ f. I �_ , e,�l � ! ` .r: ' +� rr sss
I _ �, // " ` __ . `r--- - -r I r \r�+,+r , i � f !•�
i �,a _ '• �;,, - / '� _ _ r-i}
1 - --_-J --- --- ---- - - - - -`
_0----%� %-----
�`
--��i'ffj, !`��-__--'__-- �c,'%:����,;r",����
e5lo'5s'E �'-_ '� :.� •,�; �. --� - f,`•l ..
w
METAL D
SCRAP UMPSTERS,, in5r ;3•' ,.,_.r _- _- Il == `` ' / 1 ; ', �_.NRET
PALLETS, LASER DUST DUMPSTE i';rcT
WMBER, EMPTY DRUMS, METAL ' EMGWEERWCw 6UAYEYBVfi
PARTS, LOADING DOCKS, AND w081. 36' 22.26' y '" - M cuR: 2 SITE p
REFUSE DUMPSTERS. -- OUTFACE #I�' ^y'-
_ PH0Jf'CT No. DRAWN Q
�D,IaD r —5— cDLm lON9L T— Dd tD -U-1-1 ❑ FOR REFERENCE ONLY RCf Englrrerrhq, iNc.1 6015 VC'd
SCALE
O SC ,OQ

l l _ I _ I I J
DRAINAGEAREA#1 DRAINAGEAREA#2 DRAINAGEAREAtt3
sjp �y PERVIOUS {S.F.) 177,403
t
r IMPERVIOUS (S.F.) 198,782
OUTFALL #2- wosl 36R 97
1ui4IIT —�'Q TOTAL;S.F.j 376,185
DRAINAGE -- _ - - �� 11� _
%' AREA #2 /, I I I ! I I `III I irI"I 1 I I DRAINAGE
,� - = -_ _ _
• j/, •. ., NO35' 16 II 67 a =_
i • / r r AREA #3 Y�// woel• sa z+ sa _ _
--_ _
-_
I IIIii^IIIII
�� ` At
A
OUTFALL #3
DRAINAGE t r
AREA #f �i- - -- --
5 .[<� �= � .'�: � ' � � I � � �.,•yl' � ; <yI g•a I II III i i i, i1 ' �_
�/ •V='11
' II L+�f 11r
• T�1 �� i t ,, J I , � ; I II�;I;;k;���I�; ----
I - - - - --
n'
-
FFF
;• � >•��� �. ----------'t li 4 ICI II�I� �;..
EycrnNs[oN
r I ;rfiid t00 80,0SF
rl. i
_ i I �
27,659
21,142
23,012
51,277
50,673
72,418
°-
i CRYO TANKS
1. ss I r�l�riirlirl My '�, %'
•\ 1`I Ta3-- ----
I � ti � .i i •..i T i i• f<i � i I. i �' ,� >t� ' -
11-1t-1 1:_J'1•-1�,1�
�' __ ��K-_�__ -� — nR •� •-!- �F�^ , ,,, �, �,:; �`r'''`,I I „'I r �W=, '�;t .
Ft 5, •7 •w r `1 , / 5/ ` � /__°w ; Y.S-Y 'e, --ll-_ �7: I. -;; •"• e `r 1` , i i r i m�'
'�.f� w ' `�.-.o L > ll., '..� / � f i'� `�'" 5`� -, � �1 , i is � i oar ` •° ` -
//// f I III
ff
—t�l�' ,. �F a.".'
//j/�/ter'{I'�,'' l�' , ! ��i�F' , , •
'�.•. - ' �/i //
S sb'Ia'j9"E ••-.... �• _ ;,�� �.:- -_--- -_ _'1`•- li; `,.`.� -,. ��.,� -_ _ =-_-_ =___ '��� '� e�;;•`��"ani "� ��i Ir rJ�G�lidr �� r
' SCRAP METAL DUMPSTERS,J �9 e� —•• y-- _ <��' / / k, ,' �Lp �9i rrq REI
PALLETS, LASER DUST pUMPSTER,
LUMBER, EMPTY DRUMS. METAL y•�.� al SLYWEVWG
n. , 0. , o NOSS• is as.00 °�.W, •_: y
PARTS, LOADING DOCKS, AND �t wool, sa' zz.za q
' ' I ,i `- ;'.�ry.��?�%r� FIGURE - SIIE VIAP
REFUSE DUMPSTERS.
- I OUTFALL #I E;j+i . r1 ?RWLCT tiro. DRAVIN
;: eaiein>: �a�ri,:e •�a-:me n. na..rsa.w Eon: �ou5urwc. o.reo ro.ee,.ou _ FOR REFERENCE- ONLY 'r?fr £nq:neering. rh'C. 5015 MC'
'N
Jrf/ /!-
SCALE
` 0 5- —07 1

Summary of Monitoring Results
Greenheck Fan Corporation
2000 Partnership Drive
Shelby, NC 28150
Certificate of Coverage: NCG030647
Benchmarks
for Permit No. NCG030000
Total
Rainfall
in
( )
Total
Suspended
Solids
(mg/L)
pH,
Standard
Units
Total
Copper
m /L
( g )
Total Lead
(mg/L)
Total Zinc
(mg/L)
Non -Polar
O&G
/L
(m <3 )
Total Toxic
Organics
/L
(m g )
Outfall
Date
Sample
Collected
N/A
100
6.0-9.0
0.010
0.075
0.126
15
1
Outfall#1
2/28/2018
0.22
22
6.47
1 <0.0050*
<0.0010*
0.032
<4.5*
N/A
10/11/2018
1.28
6.1
6.2
<0.0050*
<0.0010*
<0.010*
<4.3*
N/A
Outfall42
2/28/2018
0.22
58
6.39
0.0056
0.0016
0.027
<4.3*
N/A
10/11/2018
1.28
7.5
6.4
<0.0050*
<0A010*
<0.010*
<5.1*
N/A
Outfall #3
2/28/2018
0.22
26
6.86
0.0093
0.0016
0.160
<4.3*
N/A
10/11/20181
1.28
80
6.4
<0.0050*
<0.00f0*
1 0.016
1 <4.5*
N/A
* Below the Limit of Qaantitation (LOQ)