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May 30, 2017
SW Individual Permit Coverage Renewal
Stormwater Permitting Program
1612 Mail Service Center
Raleigh, North Carolina 27699-1612
RE: Stormwater Individual Permit Coverage Renewal
Permit No. NCS000462
To Whom It May Concern,
1700 Scepter Road
Wavedy, TN 37185
Tel: 931-296-8151
jmurphree@mathesongas.com
RECEIVED
MAY 3 0 2017
DENR-LAND QUALITY
STORMWAI'fRPERmuino
Please find attached the National Pollutant Discharge Elimination System (NPDES) Stormwater Individual
Permit Coverage Renewal Form for the Matheson Tri-Gas, Inc. (Matheson) facility that is located at 326
Forestville Road, Wake Forest, Wake County, North Carolina.
Matheson acquired the facility on September 9, 2016 and requested that the stormwater permit be transferred
on August 11, 2016. At the time of acquisition, Matheson believed that the permit renewal application,
which was due May 30, 2016, had already been submitted. The omission in the renewal submittal was not
identified until Matheson requested a permit status update from the facility on May 15, 2017. Matheson has
prepared the attached application once the problem was identified.
Please do not hesitate to contact me if you have any questions or concerns either via electronic mail at
jmurphree@mathesongas.com or by telephone at 931-296-8151.
Regards,
ji
M "�-
ames Murphree, Corporate Director of Environmental Compliance
Matheson Tri-Gas, Inc.
Attachments
A Taiyo Nippon Sanso Group Company
SUPPLEMENTAL INFORMATION REQUIRED FOR RENEWAL OF INDIVIDUAL
NPDES STORMWATER PERMIT
Two copies of each of the following shall accompany this submittal in order for the application
to be considered complete:
Initials
(Do not submit the site Stormwater Pollution Prevention Plan)
1. A current Site Map from the Stormwater Pollution Prevention Plan. The location of
industrial activities (including storage of materials, disposal areas, process areas and
loading and unloading areas), drainage structures, drainage areas for each outfall,
building locations and impervious surfaces should be clearly noted.
2. A summary of Analytical Monitoring results during the term of the existing permit
(if your permit required analytical sampling). Do not submit individual lab reports.
The summary can consist of a table including such items as outfall number,
parameters sampled, lab results, date sampled, and storm event data.
4✓�! 3. A summary of the Visual Monitoring results. Do not submit individual monitoring
/✓/ reports. The summary can consist of a table including such items as outfall number,
parameters surveyed, observations, and date monitoring conducted.
X/ W1 4. A summary of the Best Management Practices utilized at the permitted facility.
Summary should consist of a short narrative description of each BMP's in place at
the facility. If the implementation of any BMP's is planned, please include
information on these BMP's.
5. A short narrative describing any significant changes in industrial activities at the
I� permitted facility. Significant changes could include the addition or deletion of
work processes, changes in material handling practices, changes in material storage
practices, and/or changes in the raw materials used by the facility.
6. Certification of the development and implementation of a Stormwater Pollution
Prevention Plan for the permitted facility (Sign and return attached form).
If the final year analytical monitoring of the existing permit term has not been completed
prior to filing the renewal submittal, then the last years monitoring results should be submitted
within 30 days of receipt of the laboratory reports. (i.e. do not withhold renewal submittal
waiting on lab results)
ATTACHMENT 1
SITE DIAGRAM
ATTACHMENT 2
ANALYTICAL MONITORING DATA SUMMARY
TABLE 1. SUMMARY OF ANALYTICAL RESULTS
Wake Forsest ASU, Wake Forest, NC
OUTFALL
SAMPLE
DATE COLLECTED
TPH
m
TSS
m
pH
m L
Outfall 1
AL OF 1-1
3/5/2015
9.6
23.4
6.4
Outfall 1
AL OF 1- 1-2
9/29/2015
ND
ND
7.2
Outfall 1
AL OF 1
2/24/2016
ND
ND
6.7
Outfall 1
AL OF 1-2
9/20/2016
ND
ND
6.9
ATTACHMENT 3
VISUAL MONITORING RESULTS SUMMARY
TABLE 2. SUMMARY OF QUALITATIVE MONITORING RESULTS
Wake Fonat ASO, Wake Forest, NC
OUTFACE
DATE
TIME
TOl'ALEVENT
STItOCTUR!
RECEIVING
LAND ACTIVITIES
C.LARFI'V
FLOATING
SUSPENDED
OIL
EROSION OR
OTHER
pRECIP.
STREAM
IN
COLOR
DOOR
SOLIDS
SOLIDS
FOAM
DRAINAGEINAGEAREA
j151
(1-5)
(1-5)
SHEEN
DEPOSFI'ION
INDICATORS
LOADING OF
Onfalll
1427=2
320
028R
PIPE
SMITH CREEK
CRYOGENIC
WRY LIGHT
NONE
I
I
I
NO
NO
NO
NO
TRANSPORTS
TAN
LOADINGOF
VERY LIGHT
Outwit
8/7=2
1014
0.12in
PIPE
SMII'HCREEK
CRYOGENIC
TAN. WATER IS
NONE
I
1
1
NO
NO
NO
NO
TRANSPORTS
PRETTY CLEAR.
LOADINGOF
VERY LIGHT
Enlist 1
1/31/2013
1040
036.
PIPE
SMITH CREEK
CRYOGENIC
TAN. WATER IS
NONE
1
2
1
NO
NO
NO
NO
TRANSPORTS
PRETTY CLEAR
LOADINGOF
Oulu[ 1
9/3/2013
1305
0.13 in
PIPE
SMITH CREEK
CRYOGENIC
VERY LIGHT
NONE
I
1
I
NO
NO
NO
NO
TRANSPORTS
TAN
LOADING OF
Out4111
3/17=4
930
oil.
PIPE
SMITH CREEK
CRYOGENIC
Y VER
WRY RY VERY
NONE
1
1
I
NO
NO
NO
NO
TRANSPORTS
LI
LOADINGOF
VERY VERY
OutfallI
10/IIR014
IWO
048.
PIPE
SMITH CREEK
CRYOGENIC
LIGHT TAN,
NONE
I
I
I
NO
NO
NO
NO
TRANSPORTS
ALMOSTCLEAR
LOADING OF
Oulfdll
3/5R015
1100
074m.
PIPE
SMITH CREEK
CRYOGENIC
VERY LIGHT
NONE
2
1
1
NO
NO
NO
NO
TRANSPORTS
TAN
LOADING OF
Ou1wH
9/2912DIS
1500
0.24m.
PIPE
SMITHCREEK
CRYOGENIC
WRY LIGHT
NONE
1
I
I
NO
NO
NO
NO
TRANSPORTS
TAN
LOADING OF
CoNd11
2R4O016
12M
0.23 d.
PIPE
SMDTHCREEK
CRYOGENIC
VERY LIGHT
NONE
I
1
I
NO
NO
�O
NO
TRANSPORTS
TAN
LOADINGOF
OufdlI
9nR20I6
IF00
0Min
PIPE
S,UI'I'I I I RFFK
CRl'OGI:Ni(
VERYLIGHTTAN
NONE
I
I
I
NO
NO
10
SO
'f RA.NSPORI,S
LOADING O4
3/5/2015
1110
074m.
PIPE
SMITH CREEK
CRYOGENIC
VERY LIGHT0mfdl2
NONE
_
I
NO
NO
NO
NO
TRANSPORTS
TAN
LOADINGOF
Out6112
909/2015
Isis
0.24m,
PIPE
SMITH CREEK
CRYOGENIC
WRY LIGHT
NONE
I
1
I
NO
NO
NO
NO
TRANSPORTS
TAN
LOADING OF
Wall
V242016
1200
0.23m.
PIPE
SMITH CREEK
CRYOGENIC
VERYGHT'
LI
LIGHT
NONE
I
I
I
NO
NO
NO
NO
TRANSPORTS
TAIN
LOADING OF
OuRA12
9aW2016
15M
0.19.
PIPE
SMITH CREEK
CRYOGENIC
yERY WGHT
NONE
NO
NO
NO
NO
TRANSPORTS
TAN
Note: Ounfall2 was added in 2015.
ATTACHMENT 4
BMPS Y
STORMWATER POLLUTON PREVENTION
BEST MANAGEMENT PRACTICES
NON-STRUCTURAL BMPS
Minimize exposure
Wherever possible, industrial materials and activities are located indoors to minimize exposure to
precipitation. An up-to-date inventory is maintained by the Plant Manager, so supplies may be
ordered only as needed. Metal equipment that is stored outdoors is regularly inspected for
materials showing signs of deterioration or rusting and will be scheduled for prompt removal or
relocation to areas where debris, metals, and other pollutants will not contaminate storm water.
Outdoor materials storage areas will be maintained in good condition and according to good
housekeeping practices. Solid wastes are disposed in containers located inside the building, then
transferred to dumpsters outdoors or directly into dumpsters that are stored outdoors. All
dumpsters have a watertight cover that should be kept closed at all times other than when disposing
of materials. Water or residue from truck washing activities is prohibited from being discharged
into stormwater outfalls. Handling procedures have been developed for the materials used at the
site to minimize exposure to stormwater.
Good Housekeeping
Exposed areas of the facility are kept clean and orderly. Areas around trash containers, storage
areas, and loading/unloading areas are observed daily and swept/cleaned as needed. Storm sewer
inlets are kept clear of debris, dirt, and wastes. Garbage and waste materials are picked up on a
regular schedule by waste management vendors. Drums, tanks and containers are observed daily
during operations for leaks or conditions requiring corrective actions.
Preventative Maintenance
Preventative maintenance inspections are conducted on a quarterly basis, in conjunction with the
visual inspections, to ensure that all structures and equipment remain in good condition.
Spill Response
This facility has designated individuals who are responsible for the facility's discharge prevention
program. An Emergency Notification List is maintained. Trained personnel are authorized to
implement containment and cleanup actions that do not require the use of an outside contractor.
In the event of a spill, actions will be taken immediately to minimize further release. Cleanup
procedures are to be implemented after the spill is safely contained. Spill kits are located in the
Compressor Building. These kits remain stocked and are inspected regularly to ensure adequacy.
Delivery trucks are also equipped with spill kits.
Recovered materials will be disposed off -site by a licensed contractor in accordance with
applicable local, state and federal rules and regulations pertaining to disposal of hazardous and
non -hazardous wastes.
Erosion Control
Because areas of the site are stabilized, erosion and sedimentation should be minimal. When an
area of erosion is discovered, it will be stabilized with gravel or rock. If debris, silt, or sediment
buildup in the storm sewer inlet grates becomes excessive, the grate will be cleaned and silt fencing
or gravel may be placed around the inlets for protection.
Employee Training
SWPPP training is conducted on an annual basis. Records of training are documented and
maintained in each employee's personnel file. Documentation includes a description of the type
of training, employee information, the instructor, and date of completion. These records are kept
for a minimum of three years. The personnel training program is evaluated as needed to determine
the need for improvements or revisions. Training is provided to all personnel who may be involved
in the handling and storage of materials that have the potential for exposure to storm water. The
training program provides basic on-the-job training in the following areas and are described in
detail below.
• An introduction to the purpose and layout of the plant.
• Instruction on inspection, monitoring, and maintenance procedures.
• A summary of spill prevention and response procedures, and the specific function of each
employee during the implementation of these measures.
• An overview of water pollution laws applicable to the facility.
• A discussion on the importance of good housekeeping and material management practices.
• An overview of handling procedures and safety concerns associated with the cryogenic
liquids generated and stored on -site.
• A discussion on the conditions of the NPDES storm water discharge general permit.
Dust Generation and Vehicle Tracking
The potential for dust generation from vehicles is minimized by concrete covering traffic areas.
Vehicles entering and leaving the facility are mainly cars and product delivery trucks. The
entrance to the facility and the road and routes inside the facility are paved. Site surfaces not
covered with concrete are covered with gravel; therefore, dust or particulate control is unnecessary.
The raw material is air, the final products are cryogenic liquids, and waste materials are kept in
the enclosed containers at designated locations. Therefore, there are not off -site tracking of raw,
final, or waste materials. Also, the generation of dust is minimal due to the nature of operations.
Inspections
Secondary containment systems are visually inspected. All accumulated stormwater must be
inspected prior to discharge from containment areas.
STRUCTURAL BMPS
Water treatment chemicals are stored in the pump house. These chemicals may include Chemical
Treatment CL4658, CL41, and Sodium Hypochlorite. Any spills will be collected in a pit within
the building. No materials within the building will be exposed to storm water.
ATTACHMENT 5
SIGNIFICANT CHANGES
SIGNIFICANT FACILITY CHANGES
NA — There have been no significant changes made to the facility or its operation.
ATTACHMENT 6
CERTIFICATION
STORMWATER POLLUTION PREVENTION PLAN
DEVELOPMENT AND IMPLEMENTATION
CERTIFICATION
North Carolina Division of Energy, Mineral, and Land Resources —Stormwater Permitting
Facility Name: Wake Forest ASU
Permit Number: NCS000462
Location Address: 326 Forestville Rd
County: Wake Forest
"I certify, under penalty of law, that the Stormwater Pollution Prevention Plan (SPPP) document and all attachments were developed and
implemented under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather
and evaluate the information required by the SPPP. Based on my inquiry of the person or persons who manage the system, or those
persons directly responsible for gathering the information, the information gathered is, to the best of my knowledge and belief, true,
accurate and complete."
And
"I certify that the SPPP has been developed, signed and retained at the named facility location, and the SPPP has been fully implemented
at this facility location in accordance with the terms and conditions of the stormwater discharge permit."
And
I am aware that there are significant penalties for falsifying information, including the possibility of fines and imprisonment for knowing
violations."
Sign (according to permit signatory requirements) and return this Certification. DO NOT
SEND STORMWATER POLLUTION PREVENTION PLAN WITH THIS CERTIFICATION.
Signature / 'r A—==::� Date Z�Q 017
ames Murphree Corporate Director Environmental Compliance
Print or type name of person signing above Title
SPPP Certification 10/13