WQ0005679_Final Permit_19920729

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor
William W. Cobey, Jr., Secretary
July 29, 1992
Mr. John A. Taylor, President
Triad Terminal Company
Post Office Box 5195
Winston-Salem, North Carolina 27103
Dear Mr. Taylor:
A. Preston Howard, Jr., P.E.
Acting Director
Subject: Permit No. WQ0005679
Triad Terminal Company
Greensboro Facility
Groundwater Remediation Facility
Guilford County
In accordance with your application received September 24, 1991, we are forwarding herewith
Permit No. WQ0005679, dated July 29, 1992, to Triad Terminal Company for the construction and
operation of a groundwater remediation facility.
This permit shall be effective from the date of issuance until June 30, 1997, and shall be subject to
the conditions and limitations as specified therein. Please pay particular attention to the monitoring
requirements in this permit. Failure to establish an adequate system for collecting and maintaining the
required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have
the right to request an adjudicatory hearing upon written request within 30 days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Box 11666, Raleigh,
NC 27604. Unless such demands are made this permit shall be final and binding.
Regional Offices
Asheville Fayetteville Mooresville Raleigh Washington Wilmington Winston-Salem
704/251-6208 919/486-1541 704/663-1699 919/571-4700 919/946-6481 919/395-3900 919/761-2351
PoUudon Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Mr. John A. Taylor, President
Triad Terminal Company
July 29, 1992
`'age Two
One set of approved plans and specifications for the treatment system was provided to you in
conjunction with the Authorization to Construct for NPDES Permit Number NC0042501. If you need
additional information concerning this matter, please contact Mr_�Dana J. Bolden at 919/ 733-5083.
iA: Creston owara,��r.,
cc: Guilford County Health Department
Winston-Salem Regional Office, Water Qualiection
Winston-Salem Regional Office, Groundwater Section
Jack Floyd, Groundwater Section
Aquaterra, Incorporated
Facilities Assessment Unit
Training and Certification

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
INFILTRATION GALLERY PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Triad Terminal Company
Guilford County
FOR THE
construction and operation of 2,150 GPD groundwater remediation system consisting of existing facilities
approved under NPDES Permit Number NCO042501 including an existing oil/water separator, an existing
holding tank, an existing 20 GPM air stripper, existing dual 500 pound carbon canisters in series, and a
new 10 ft wide by 6 ft deep by 100 ft long infiltration gallery to serve Triad Terminal Company of
Greensboro with no discharge to the surface waters, pursuant to the application received September 24,
1991 and in conformity with the project plan, specifications, and other supporting data subsequently filed
and approved by the Department of Environment, Health and Natural Resources and considered a part of
this permit.
This pen -nit shall be effective from the date of issuance until June 30, 1997, and shall be subject to
the following specified conditions and limitations:
1� WMIT:u.a gm:1
1. Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted
facility has been installed in accordance with this permit and the approved plans and
specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box 29535,
Raleigh, NC 27626-0535.
2. The Winston-Salem Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an in -
place inspection can be made. Such notification to the regional supervisor shall be made
during the normal office.hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday,
excluding State Holidays.
3. This permit shall become voidable if the soils fail to adequately absorb the wastes and may
be rescinded unless the facilities are installed, maintained, and operated in a manner which
will protect the assigned water quality standards of the surface waters and ground waters.

4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective action, including those as may be
required by this Division, such as the construction of additional or replacement treatment or
disposal facilities.
5. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
6. Any sludge generated from these treatment facilities must be disposed of in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
7. Diversion or bypassing of the untreated groundwater from the treatment facilities is
prohibited
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and grade
at least equivalent to or greater than the classification assigned to the wastewater treatment
facilities by the Certification Commission. The Permittee must also employ a certified
back-up operator of the appropriate type and grade to comply with the conditions of Title
15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at least
weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays,
and must properly manage and document daily operation and maintenance of the facility
and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
3. The groundwater remediation facilities shall be effectively maintained and operated as a
non -discharge system to prevent the discharge of any wastewater resulting from the
operation of this facility.
4. The Permittee shall employ lockable valves to insure that the system is operated in i� ther
groundwater remediation and infiltration mode or in stormwater treatment and discharge
mode. No treated stomawater shall be introduced into the infiltration gallery nor shall any
treated groundwater be discharged to surface waters.
11 0 1 0 I: 1* I UZI 01 Uflti I Q02 3 011)1: a 1 DIZU
1. Any monitoring deemed necessary by the Division of Environmental Management to insure
surface and ground water protection will be established and an acceptable sampling
reporting schedule shall be followed
2. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone
number (9 19)946 -648 1, as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence at the wastewater treatment facility which results in the treatment of
significant amounts of wastes which are abnormal in quantity or characteristic, such
2

as the dumping of the contents of a basin or tank; the known passage of a slug of
hazardous substance through the facility; or any other unusual circumstances.
b. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate wastewater treatment such as mechanical or electrical failures
of pumps, aerators, compressors, etc.
C. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-
pass directly to receiving waters without treatment of all or any portion of the
influent to such station or facility.
d. Any time that self -monitoring information indicates that the facility is not in
compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
Nei f 'A : : : 1 IIIIJI'llu 1 OWN
1. All components of the groundwater recovery, treatment and disposal system shall be
properly weather -proofed to prevent freezing and failure of the system.
2. Two (2) weeks prior to system start-up, the Permittee shall notify the Division of
Environmental Management's Winston-Salem Regional Office that operation is about to
commence.
3. The groundwater recovery treatment and disposal system shall be inspected weekly. If it is
determined that the system is malfunctioning, all repairs should be made as soon as possible
and reported to the Winston-Salem Regional Office.
4. The influent and effluent from the treatment system shall be sampled once every two (2)
weeks for the fast three (3) months and monthly thereafter for EPA Methods 624 and 625.
5. Monitoring wells 1, 2, 3, 4, 5, 6, 6d, 6i, 7, and 8 shall be sampled semiannually (April and
October) for EPA Methods 624 and 625.
6. Any groundwater quality monitoring as deemed necessary by the Division of Environmental
Management shall be provided.
�a 1
1. Adequate inspection, maintenance and cleaning shall be provided by the Permittee to insure
proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the groundwater recovery and treatment
facilities to prevent malfunctions and deterioration, operator errors and discharges which
may cause or lead to the release of wastes to the environment, a threat to human health, or a
nuisance. The Permittee shall keep an inspection log or summary including at least the date
and time of inspection, observations made, and any maintenance, repairs, or corrective
actions taken by the Permittee. This log of inspections shall be maintained by the Permittee
for a period of three years from the date of the inspection and shall be made available upon
request to the Division of Environmental Management or other permitting authority.

3. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the disposal site and facility at any reasonable time for the
purpose of determining compliance with this permit; may inspect or copy any records that
must be kept under the terms and conditions of this permit; or may obtain samples of
groundwater, surface water, or leachate.
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans, specifications and other supporting data.
2. This permit is effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
3. This permit is not transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Environmental Management accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may
not be approved.
4. The Permittee shall obtain a well construction permit from the Winston-Salem Regional
Office prior to construction of the recovery wells.
5. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
6. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
7. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205
(c)(4).
8. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
9_ The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
4

Permit issued this the 29th day of July, 1992
CAROLINA
vLI"'&
Preston How d, Jr.; P.E.
I?ivision of Enviro n
By Authority of the Environ
Pem-iit No. WQ0005679
AL MANAGEMENT COMMISSION
Management Commission

Permit No. WQ0005679
July 29, 1992
Engineer's Certification
I, , as a duly registered Professional Engineer in the State of North
Carolina, raving been authorized to observe (periodically, weekly, full time) the construction of the
project,
Project Name
Location
for the
Perrnittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of
the construction such that the construction was observed to be built within substantial compliance and intent
of the approved plans and specifications.
Signature
Date
Registration No.

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RATING SCALE -FOR CLASSIFICATION OF FACILITIES
'�p-w-T-tcAmen+-For * 63`16 bux rt Ps plak'�tir.�L�Gt-�e�Tao�
GVj Name of Plant: rl*, 7-1alckrlrrl4a Ca Wtv
1�rr> sc:cryOwner or Con#act Person:�o�vn Ta for Q�S� 9m-12-5-953rr.
Mailing Address: ttoQq wa,3hI?r4+de�' �,a,i. I -5 iS+*Y1-
County:Telephone: 'for- G\Aj
,*dk NPDES Permit No. NC00
IssueDate:
Existing Facility
Rated By: &P -km
Reviewed (Train. & ert.) Reg.
Nondisc. Per. No. VJ Q �O'� 9 ,; 5 41,
Expiration Date: Nab' 1531►.4C�
New Facility _A S %.6nQtq_S f�tl
Date-? +a 3 rrIj n+t S g ?Q.�t rr'. '. S
Office ' - -
Reviewe� (Train. & Cert.) Central Offic
ORC Cv-t 6- Qi r+dxC\ Grade T
NCoa4;t'56 1 �� is fb� r►+,5 --- S
Plant Class: (circle one) 1 11 Ill IV Total Points
`� � }cemliz ,i : 5 ys4 w ShQ k ImoI -1� 4-1 k Ar. W&a - (tX I��r wrnS W A + ?��T
rTEM POINTS
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(1) Industrial Pretreatment Units and/or
(i)Aeration - High Purity Oxygen System .....
20
Industrial Pretreatment Program
Diffused Air System ...........
10
(see definition No. 33)
4
Mechanical Air System (fixed,
(2) DESIGN FLOW OF PLANT IN GPD
floating or rotor) ..............
8
(not applicable to non -contaminated cooling waters, sludge
Separate Sludge Reaeration .....
3
handling facilities for water purification plants, totally
(H) Trickling Filter
closed cycle systems (del. No. 11). and facilities
High Rate .............. . ....
7
consisting only of Item (4) (d) or Items (4) (d) and (11)
0 20,10D0
(d})
1
Standard Rate ...............
5
..........................
Packed Tower...............
5
20.01 - 50,000.................. .....
2
(iii) Biological Aerated Filler or Aerated
50,001 — 100,00D .
3
Biological Filler ..................
1 0
100,001 — 250,000 .......... I ...............
4
(iv} Aerated Lagoons .....................
10
250.001 — 500,000..........................
5
500,001—1,000,000 ..........................
B
(v) Rotating Biological Contactors ..........
10
1,000,001 — 2,000,000 ........................
10
2,000.001 (and up) - rate 1 point additional for each
(v i) Sand Filters-
200,000 gpd capacity up to a
inlerrnitlent biologics# .....
2
maximum of 30 t
SD
recirculating biological .... _
3
Design Flow (gpd) ;-.ti q p0
jvii) Stabilization Lagoons ...................
(3) PRELIMINARY UNITS (see definition no. 32)
.(viii)Clarilier ..............................
5
- (a) Bar Screens ................................
1
(Ix) Single stage system for combined
or
carbonaceous removal of BDD and
(b) Mechanical Screens. Static Screens or
nitrogenous removal by nitrification
Comminuting Devices ........................
2
(see del. No. 12) (Points for this item
(c) Grit Removal ...............................
1
have to be in addition to items (5) (a)
or
() through (5) (a) (viii) .................
8
(d) Mechanical or Aerated Grit Removal .
(e) Flow Measuring Device .......................
1
(x) Nutrient additions to enhance BOD
removal ...............................
5
or
(xi) Biological Culture ('Super Bugs') addition
{f) Iastrumenled Flow Measurement ..............
2
to enhance organic compound removaf .....
5
(g) Preaeration................................
2
(b) Nitrogenous Stage
(i) Aeration - High Purity Oxygen System .....
20
(h) Influent Flow -Equalization ...................
2
Diffused Air System ...........
10
(i) Grease or Oil Separators - Gravity ..........
2
Mechanical Air System (fixed,
Mechanical ..........
3
floating, or rotor) ...... ......
8
Dissolved Air Flotation.
B
Separate Sludge Reaeralion .....
3
(f) Prechlorination ..............................
5
(ii) Trickling Filter -
High Hate ........
7
PRIMARY TREATMENT UNITS
Standard Raatete ............
5
(a) Septic Tank (see derinition no. 43) ..............
2
Packed Tower............
5
(b) Imhoff Tank ..................................
5
(iii) SiDlogical Aerated Filter or Aerated
(c) Primary Clarifiers ............................
5
8iological Filer .........................
10
(d) Settling Ponds or Settling Tanks for Inorganic
(iv) Rotating Biological Conlactors ............
10
Non•loxic Materials jsludge handling facilities
(v) Sand Filter -
for water purification plants, sand, gravel,
intermittent biological ........
2
stone, and other mining operations except
recirculating biological ........
3
recreational activities such as gem or gold
(v i) Clarifier ................................
5
2

TERT`lARY OP. ADVANCED TREATMENT UNIT
(a) Ac:,.,ated Carbons Beds -
' without carbon regeneration ..................
with carbon fegeneration .............. .... .
r-- powdered or Granular Activated Carbon Feed -
without Carbon fegeneration.................
with carton regeneration .....................
(cr Air SbipPi^9 ............................
(d) Denilrilication Process (separate process) .... .
(e) Elec trodafysis .......... ................... .
(r) Foam Separation ................. . .......... .
(g) Ion Exchange ................................
(h) Land Application of Treated Effluent
(see definition no. 22b) (not applicable for
sand, gravel, stone and other similar mining
operations)
(i) on agricrrlturally managed sites (See del.
No. 4) ......................I......... .
(it) by high rate infiltration on non -agriculturally
managed sites (includes rotary distributors
and similar fixed nozzle systems) ...........
(51) by subsurface disposal (includes low pressor
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica-
tion lines only) ................ _ ...... .
{� Microscreens ..............................
{j} Phosphorus Removal by Biological Processes .
(See dell. No. 26) ............................
(k) Polishing Ponds - without aeration .......
with aeration ..........
(1) Post Aeration - Cascade ..............
diffused or mechanical .. .
(m) Reverse Osmosis. •
... ....................
(n) Sand or Mixed -Media. Filters -tow rate ...........
KVh rate ..........
(a) Treatment processes for removal of metal or
cyanide....................................
Treatment processes for removal of toxic
materials other than metal or cyanide .........
i SLUDGE TREATMENT
(10) CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
n (not applicable to chemical additions rated as ilem
1 (3) (fi. (5) (a) (xi). (6) (a). (6) (b). (7) (b). (7) (e).
(9) (a), (9) (b), or (9) (c) 5 points each: List:
5 5
5
5 5
1
5 (11) MISCELLANEOUS UNITS
5 (a) (-folding Ponds, Holding Tanks or Settling Ponds
5 for Organic or Toxic Materials including wastes
from mining operations containing nitrogen andlor
phosphorous compounds in amounts significantly
greater than is common for domestic wastewater .......... 4
(b) Effluent Flow Equalization (not applicable to storage
basins which are inherent in land application systems). 2
10 (c) Stage Discharge (not applicable to storage basins
inherent in land application systems..._ ................... ....
(d) Pumps...... — .
4 (e) Stand -By Power Suppt?.. _ _... __ _ .. 3
e (f) Thermal Pollution Control Device: ..............__...._............_..._.. 3
20
2
5
0
5
5
2
5
15
15
(a)
Sludge Digeslion Tank - Heated ...............
10
Aerobic ...............
5
Unheated ...... .......
3
(b)
Sludge Stabilization (chemical or thermal) .......
5
(c)
Sludge Drying Beds - Gravity .................
2
Vacuum Assisted .......
5
(d)
Sludge Elutrialion ..... . ........... ...........
5
(e)
Sludge Conditioner (chemical or thermal) ...... _ .
5
(f)
Sludge Thickener (gravity) ......................
5
{g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) n .........
8
(h)
Sludge Gas Utilization (including gas storage) ....
2
(i)
Sludge Holding Tank - Aerated ................
5
Non-aeraled ............
2
(j)
Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k)
Vacuum Filter, Centrifuge or Filter Press or other
similar dewalering devices ....................
10
(8) SLUDGE DISPOSAL (including incineraled ash)
(a) Lagoons ........................................
2
(b)
Land Application (surface and subsurface)
(see definition 22a)
-where the racilily holds the land app. permit ...
10
-by contracting to a rand applicalion operator who
holds the land application permit ................
2
-land application of Sludge by a contractor who does
not hold the permit for the wastewater treatment
facility where the sludge is generated .........
10
(c)
Landfilled (burial) .............................
5
(9) OISINFECTiON
(a)
Chrorination .............................
5
(b)
Dechlorination ........................
5
(c)
Ozone ..............................
5
(d)
Radiation..........................
5
TOTAL POINTS J_
CLASSIFICATION
Class 1____ __ — --.
S - 25 Points
Class Il.. _ .. _ ..
26- 50 Points
Class I!l... _.
51- 65 Points
Class IV..._._.......___._—.
66- Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator.
Classification of all other
facilities requires a comparable grade operator in responsible
charge.
-
Facilities having an activated sludge process will be assigned
a minimum classification of Class If.
Facilities having treatment processes for the removal or metal
or cyanide will be assigned a minimum classification of Class 11.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
III.
In -plant processes and related control equipment which are an
Integral part of industrial production shall not be considered waste
treatment. Likewise, discharges of wastewater from residences
having a design flow of 1,000 gpd or less, shall not be subject to
rating.
ADDITIONAL COMMENTS: