WQ0006210_Final Permit_19920925

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 A. Preston Howard, Jr., P.E.
William W. Cobey, Jr., Secretary Acting Director
September 25, 1992
Mr. Chris Schimmel, Environmental Engineer
EMRO Marketing Company
1954 Airport Road
Chamblee, Georgia 30341
Subject: Permit No. WQ0006210
EMRO Marketing Company
EMRO Unix #251, Wilmington, NC
Groundwater Remediation Project
New Hanover County
Dear Mr Schimmel:
In accordance with your application received March 3, 1992, we are forwarding herewith Permit
No. WQ0006210, dated September 25, 1992, to EMRO Marketing Company for the subject groundwater
remediation project.
This permit shall be effective from the date of issuance until August 31, 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: or 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.Q. 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
Pollution Prevention Pays
P.D. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Ms. Angela Y. Griffin at [phone].
cc:
S e
A Pr
New Hanover County Health Department
Wilmington Regional Office, Water Quality Sec n
Wilmington Regional Office, Cxroundwater Section
Jack Floyd, Groundwater Section
Mr. Stewart Hines, S&ME, Incorporated, Post Office Box 7668, Charlotte, NC 28241-7668
Facilities Assessment Unit
Training and Certification
EMRO Marketing Company, 7W Market Street, Wilmington, NC 28405

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
EMRO Marketing Company
New Hanover County
FOR THE
construction and operation of 21,600 GPD groundwater remediation system consisting of a vertical tube
coalescing oil/water separator with a 300 gallon product tank, a 100 gallon primary surge tank, followed
by a 20 gpm, 1.5 Hp diffused aeration system, a 100 gallon secondary surge tank, four particulate filters
in parallel, eight carbon filters having four parallel paths each with two units in series, an Accu-meter flow
totalizer , a 360 ft2 subsurface disposal trench, and all necessary pumps, valves and appurtenances to
serve the EMRO Marketing Company with no discharge to the surface waters, pursuant to the application
received March 3, 1992 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 permit shall be effective from the date of issuance until August 31, 1997, and shall be subject
to the following specified conditions and limitations:
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 Wilmington 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 Pertnittee 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.
8. The subsurface trench shall protected from traffic loads and be installed at a maximum
slope of 0.05%.
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, the Pernuttee 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. Once
the facility is classified, the Perrnittee must submit a letter to the Certification Commission
which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
3. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any wastewater resuiting from the operation of this faciiity.
II%I !� »►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 Wilmington Regional Office, telephone
number [phone], 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
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.
3. Effluent shall be monitored for the following parameters:
Parameter_ _ .. Frequencv
Flow
Continuously
PH
2/month
Lead
Quarterly
BTEX
Quarterly
MTBE
Quarterly
The results of the monitoring shall be sent to the Water Quality Section, Wilmington
Regional Office, Attention: Water Quality Supervisor, 127 Cardinal Drive, Wilmington,
North Carolina 28409.
�►_i4;_ insti-xiiii I ti 310 1 oleo
1. Due to high flow rates, the permittee shall provide access to Wilmington Regional Office
personnel, including keys or combination to locks on the entrance gate so that inspection of
the facilities maybe undertaken at the convenience of regional office staff.
2. All warning devices shall be located such that they are visible from U. S 17.
3, Spodic soils from the trench excavation shall be removed to a depth of 50 inches and
replaced with clean fill to enhance infiltration.
4. A device shall be installed in the infiltration gallery to measure water levels and have the
capability of shutting off the pumping system in the event water levels approach break-out
conditions. The engineer's certification will be evidence that this condition has been met.
5. The influent and effluent from the treatment system shall be sampled once every two (2)
weeks for the first three (3) months and monthly thereafter for the parameters specified
below:
Benzene Ethyibenzene
Toluene methyl Tert Butyl Ether
Xylenes
3

The results of the sampling and analysis shall be sent to the Groundwater Section in the
Wilmington Regional Office and to the Groundwater Section, Permits Unit, Post Office
Box 29535, Raleigh, North Carolina 27626-0535 within 30 days of sample collection.
6. Monitoring wells 2,3,4, and 6 shall be sampled every April and November for the
following parameters:
Benzene Ethylbenzene
Toluene methyl Tert Butyl Ether
Xylenes Water Levels
The measurement of water level must be made prior to sampling for the remaining
parameters.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide relative elevations of the measuring point for each of the monitoring wells. The
depth of water in each well shall be measured from the surveyed point on the top of the
casing.
The results of the sampling and analysis shall be sent to the N.C. Division of
Environmental Management on form GW-59 [Compliance Monitoring Report Form] every
May and December.
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 sits 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 1h
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.
4

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 Wilmington 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 Per-mittee, 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.
Permit issued this the 25th day of September, 1992
A. Preston How d, J�., P
Division of Envir&Mental
By Aathority of the 'En
Permit No. WQ0006210
AL MANAGEMENT COMMISSION
tal Management Commission

Permit No. WQ0006210
September 25, 1992
Engineer's Certification
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project,
Project Name
Location
for the
Permittee 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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rlrA i v 0_. LL:i r-Ur-1 t UI'4 Ur rAUILI 1 ILb
Name of Plant: �
Owner or Contact Person: a
Mailing Address: O
County::&J2
NPDES Permit No. NCDO Nondisc. Per. No.�� a�/Q
Issue Date: Expiration Date:
Existing Facility New Facility ✓
Rated By: e6 4�/7� Dat
Reviewed (Train. & Cert.) Reg. Office
Reviewed (Train. & Cert.) Central Office
ORC Grade
Plant Class: (circle one) 1 II III 1V Total Points
ITEM POINTS
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(1)
Industrial Pretreatment Units and/or
(i)Aeralion - 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 Reaeralian .....
3
handling facilities for water purification plants, totally
(ii) 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) (d))
Standard Rate . ........ . .....
5
0 20,000..........................
20,001 -- 50,000........................ • •
1
2
o
Packed Tower......-....
(ii�) Biological Aerated Filter or Aerated
5
50,001 -- 100,000 ........................ ..
3
Biological Filter . - , ...................
10
100,0D1 250,000 .................... . .... .
4
(iv) Aerated Lagoons ...... - .. - ..........
10
250,001 500,000..........................
5
,
500,001--1,000,000 .. . ....... . ...............
8
(v) Rolaling Biological Contactors ..........
10
1,000,001 •- 2,000,000 ......... ....
10
2,000,001 (and up) - rate 1 point additional for each
(v 1) Sand Fillers-
200,000 gpd capacity up to a
intermittent biological - . ..
2
maximum of 30 /�
Design Flow (gpd) _ /irJC/O
recirculating biological . - ...
(vii) Stabilization Lagoons ...... I .... I .......
3
5
(3)
PRELIMINARY UNITS (see definition no. 32)
(viii)C!arifier ....... . ......................
5
(a) Bar Screens ................. . ...... . .......
1
(ix) Single stage system for combined
or
carbonaceous removal of BOD and
(b) Mechanical Screens, Static Screens or
nitrogenous removal by nitrification
Comminuting Devices ........... .......... . ..
2
(see def. No. 12) (Points for this item
(c) Grit Removal . . . . . . ........... . .............
i
have to be in addition to items (5) (a)
or
(i) through (5) (a) (viii) . . ...............
8
(d) Mechanical or Aerated Grit Removal ...........
2
(x) Nutrient additions to enhance SOD
(e) Flow Measuring Device .......................
1
removal .. - , - ... • - ..... - ..... - - , .. , , ...
5
or
(f) Instrumented Flow Measurement .......... . ...
(xi) Biological Culture ('Super Bugs') addition
to enhance organic compound removal
5
(g) Preaeralion .... . .. . ........................
.....
(b) Nitrogenous Stage
(i) Aeration - High Purity Oxygen System ... , .
20
(h) Influent Flow•Equal€zalion ...................
(i) Grease or CH Separators - Gravity ..........
2
Diffused Air System ......... - .
Mechanical Air System (fixed,
10
Mechanical ..........
floating, or rotor) ...... ......
8
Dissolved Air Flotation.
8
Separate Sludge Reaeration .....
3
(j) Prechlorinalion ..... . . ...................... .
5
(ii) Trickling Filter -
High Rate ..............
7
(4)
PRIMARY TREATMENT UNITS
Standard Rate ..... - . - ....
5
(a) Septic Tank (see definition no. 43) .... . .........
2
Packed Tower ....... , ....
5
(b) Imhoh Tank. . ..- ..... I . . . .................. . .
5
(iii) Biological Aerated Filter or Aerated
(c) Primary Clarifiers . . ........ . .................
5
Biological Filter .........................
10
(d) Settling Ponds or Settling Tanks for Inorganic
(iv) Rotating Biological Contactors ..... - ......
10
Non -toxic Materials (sludge 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
mining). . ........... .......................
2
U

(6) -iERTIARY OR ADVANCED TREATMENT UNIT
(10) CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
(a)
Activated Carbons Beds -
without carbon regeneration ..................
(not applicable to chemical additions rated as item
(xi), (6) (a), (6) (b), (7) (b), (7) (e),
with carbon regeneration ....................
1
(3) (j), (5) (a)
(9) (a), (9) (b), or (9) (c) 5 points each: List:
(b)
Powdered or Granular Activated Carbon Feed -
5
without carbon regeneration .................
5
5
(c)
with carbon regeneration i-
�+•�f``c? G(P.r�k?bh.'x�ST�r+�
1 5
(
(d)
Denitrificalion process {separate process) ...
10
5
(e)
Electrodiafysis ..............................
5
(11) MISCELLANEOUS UNITS
(f1
(g)
Foam Separation ............ . ................
Ion Exchange ................................
5
5
(U '?
(a) Holding Ponds, Holding Tanks -or Settling Ponds 3 r
for Organic or Toxic Materials including wastes
h
O
Land Application of Treated Etlluent
n5
from mining operations containing nitrogen and/or
(see definition no. 22b) (not applicable for
sand, gravel, slone and other similar mining
phosphorous compounds In amounts significantly
than is common for domestic wastewater
operations)
greater ..........1
(b) Effluent Flow Equalization (not applicable to storage V
(i) on agriculturally managed sites (See del.
basins which are inherent in land application systems). 2
No.4)...................................
10
(c) Stage Discharge (not applicable to storage basins
(ii) by high rate infiltration on nan-agriculturally
inherent in land application systems....... ................................ 5
managed sites (includes rotary distributors
similar fixed nozzle systems)
4
(d) Pumps ........ :..... ...........
and ...........
(e) Stand -By Power Supply.................................................................. 3
(iii) by subsurface disposal (includes low pressure
(f) Thermal Pollution Control Device :............................................ 3
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica-
lion lines only) .............................
/
TOTAL POINTS
(i)
Microscreens..................................
5
(j)
Phosphorus Removal by Biological Processes
CLASSIFICATION
(See def. No_ 26) ... . ................. . ..... .
20
(k)
polishing Ponds - without aeration .......
2
C............................... 5 - 25 Points
with aeration ..........
5
ss 1l......................................_......___ 26- 50 Points
(1)
Post Aeration - cascade ......... . ....
0
l._.... ........ ...................... ........ —_ 51- 65 Points
diffused or mechanical ...
5
Class IV .............. . _ 56- Up Paints
(m) Reverse Osmosis ...............................
5
Sand or Mixed -Media Filters - low rate ...........
high rate ........ _ .
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
(a)
Treatment processes for removal of metal or
facilities requires a comparable grade operator in responsible
cyanide ....................................
15
charge.
(p)
Treatment processes for removal of toxic
materials other than metal or cyanide .........
65)
Facilities having an activated sludge process will be assigned
a minimum classification of Class 11.
SLUDGE TREATMENT
(a) Sludge Digestion Tank - bleated ...............
3)
10
Aerobic .......... _ .. _ _
5
Unheated ...... .......
3
(b)
Sludge Stabilization (chemical of thermal) . ... ...
5
(c)
Sludge Drying Beds - Gravity.................
2
Vacuum Assisted .......
5
(d)
Sludge Efutrialion . . . . . .............. - .........
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) (i) .........
8
(h)
Sludge Gas Utilization (including gas storage) ....
2
(i)
Sludge Holding Tank - Aerated ........ . .......
5
Non -aerated ............
2
(j)
Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k)
Vacuum Fitter, Centrifuge or Filter Press or other
similar dewalering devices ....................
10
SLUDGE DISPOSAL (including incinerated ash)
(a)
Lagoons ..... ..................................
2
(b)
Land Application (surface and subsurface)
(see definilion 22a)
-where the facility holds the land app. permit
10
-by contracting to a land application 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
DISINFECTION
(a)
Chlorination .. _ ..... _ _ .............. .....
5
(b)
Dechlorinalion ....... . ................
5
(c)
Ozone ..............................
5
(d)
Radiation ... . .................
`
Facilities having treatment processes for the removal of metal
or cyanide will be assigned a minimum classification of Class It.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
Ill.
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 resldences
having a design flow of 1,000 gpd or less, shall not be subject to
rating.