WQ0006761_Final Permit_20020930

F WATF
O� RMichael F. Easley. Governer
William G. Ross Jr- Secretary
O North Carolina Department of Environment and Natural Resources
j -� Alan W. Klimek, P.E.. Director
Division of Water Quality
September 30, 2002
GLORIA HILL
N.T. COX FARM
3641 AYDEN GOLF CLUB ROAD
AYDEN, NC 28516
Subject: Permit No. WQ0006761
N.T. Cox Farm
Groundwater Remediation Facilities
Pitt County
Dear Ms. Gloria Hill:
In accordance with your application received June 13, 2002, we are forwarding herewith Permit No.
WQ0006761, dated September 30, 2002, to N.T. Cox Farm for the continued operation of the subject ground w� ater
remediation facility.
This permit shall be effective from the date of issuance until August 31, 2007, shall void Permit No.
WQ0006761 issued December 5, 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, you have the right to
request an adjudicatory hearing upon written request within thirty (30) days following receipt of this pernut. This
request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General
Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-
6714. Unless such demands are made this permit shall be final and binding.
If you have any questions concerning the Groundwater Conditions or groundwater monitoring
requirements, please contact Thomas E. Cadwalladar, P.E. in the Groundwater Section at 919-715-6173. If you
need any additional information concerning this matter, please contact Michelle Barnett at [phone]
extension 544. ��
Sincexe'1};,
�f
i
i Alan W. Klimek, P.E.
cc: "Pitt County Health Department
Washington Regional Office, Water Quality Section
Washington Regional Office, Groundwater Section
Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non Discharge Compliance/Enforcement Unit
Water Quality Central Files
NDPU Files
ZA
Nan -Discharge Permitting Unit Internet hnp://h3o.enr.state.uc.us/ndpu NCDENt
1617 Mail Service Center, Raleigh, NC 27699-1617 Telephone [phone] Fax [phone]
DENR Customer Service Center Telephone [phone]

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
GROUNDWATER REMEDIATION 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
N.T. Cox Farm
Pitt County
FOR THE
continued operation of a 1,495 GPD groundwater remediation facility consisting of two recovery wells pumping a
total of 1.0 GPM, an 80 GPM sump/influent tank with water level alarms, dual 10 GPM pumps, a 10 GPM
backwash filtration system with two 12 inch diameter by 52 inch high filter-Ag non -hydrous aluminum silicate
filter tanks in parallel, a backwash tank, a 10 GPM activated carbon filter treatment system with four activated
carbon tams (95 pounds each) piped as two parallel pairs in series, a 20 feet by 20 feet by 4 feet deep infiltration
gallery with 5 Iaterals having slotted screening, and all associated piping , valves, controls, and appurtenances to
serve the N.T. Cox Farm, with no discharge of wastes to the surface waters, pursuant to the application received
June 13, 2002, and in conformity with the project plan, specifications, and other supporting data subsequently
filed and approved by the Department of Environment and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until August 31, 2007, shall void Permit No.
WQ0006761 issued December 5, 1997, and shall be subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
This permit shall become voidable if the soils fail to adequately assimilate 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.
2. 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 actions that may be
required by the Division of Water Quality (Division), such as the construction of additional or
replacement treatment or disposal facilities.
3. 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.
4. Any residuals generated from these treatment facilities must be disposed in accordance with General
Statute 143-215.1 and in a manner approved by the Division.

Diversion or bypassing of the untreated groundwater from the treatment facilities is prohibited.
II. OPERATION AND MAINTENANCE RE UIREMENTS
The facilities shall be properly maintained and operated at all times.
Upon classification of the facility by the Water Pollution Control Systems Operators Certification
Commission (WPCSOCC), 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 WPCSOCC. The Permittee must also employ a certified back-up operator of the
appropriate type and grade to comply with the conditions of 15A NCAC 8G .0202. The ORC of the facility
must visit each Class I facility at least weekly and each Class H, 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 15A NCAC 8G .0202.
The 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.
10. The loading rate for the infiltration gallery shall be a maximum of 2.33 GPD/square foot.
III. MONITORING AND REPORTING REQUIREMENTS
Any monitoring deemed necessary by the Division to insure surface and ground water protection will
be established and an acceptable sampling reporting schedule shall be followed.
The permittee shall submit flow data to DWQ, every six (6) months, pertaining to the flow rate into
the infiltration gallery.
3. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone number (252)
946-6481, 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 groundwater remediation facility which results in the treatment of
significant amounts of contaminated groundwaters 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 renders the groundwater
treatment and disposal system incapable of adequate treatment and disposal, such as mechanical
or electrical failures of pumps, aerators, compressors, etc.;
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;
or
d. Any time that self -monitoring information indicates that the groundwater treatment and disposal
system is not in compliance with any specified permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter form within
five (5) 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.

IV. GROUNDWATER REQUIREMENTS
1. The groundwater treatment system shall consistently achieve at least 95% removal of the influent
contaminants or 2L Groundwater Quality Standards (whichever is higher) prior to discharge to the
infiltration gallery. If the treatment system fails to consistently achieve this standard, additional
treatment units or changes in operational needs may be required.
2. Monitor wells MW-1, MW-2, MW-4, and MW-5 shall be sampled every January and July for the
following parameters:
Water Level BTEX- using EPA method 602
PH BTEX- using EPA method 602
Any method used must meet the following qualifications:
(1) A laboratory must be DWQ certified to run any method used.
(2) The method used must, at a minimum, include all the constituents listed in Table VIIJ of
Standard Method 6230D.
(3) The method used must provided a PQL at 0.5 ug/L or less which must be supported by
laboratory proficiency studies as required by the DWQ Laboratory Certification Unit.
Any constituents detected above the MDL but below the PQL at 0.5 ug/L must be
qualified (estimated) and reported.
The measurement of water levels must be made prior to sampling for the remaining parameters. The
depth to water in each well shall be measured from the surveyed point on the top of the casing.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide the
relative elevation of the measuring point for each monitoring well.
The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality
Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance Unit,
1636 Mail Service Center Raleigh, N-C. 27699-1636 on or before the last working day of the month
following the sampling month.
3. The influent and effluent from the treatment system shall be sampled every month for the first three
for the parameters specified below:
Water Levels BTEX- using EPA method 602
pH BTEX- using EPA method 602
One copy of the results of the sampling and analysis must be received by the Groundwater Section,
Permits and Compliance unit, 1636 Mail Service Center Raleigh, N.C. 27699-1636 and one copy
shall be sent to the Washington Regional Office, 943 Washington Square Mall, Washington, NC
27889, on or before the last working day of the month following the sampling event.
4. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
5. The groundwater recover}, 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 Washington Regional Office within 48 hours. All components of the groundwater
recovery, treatment , and disposal system shall be properly weather proofed to prevent freezing and
failure of the system.
6. The infiltration gallery shall be operated above the water table at all times.

7. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC
2L, Groundwater Classifications and Standards. The Compliance Boundary is for the disposal system
constructed after December 31, 1983 is established at either (1) 250 feet from the waste disposal area,
or (2) 50 feet within the property boundary, whichever is closest to the waste disposal area. An
exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to
immediate remediation action in addition to the penalty provisions applicable under General Statute
143-215.6A(a)(I).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the disposal
systems midway between the Compliance Boundary and the perimeter of the waste disposal area.
Any exceedance of standards at the Review Boundary shall require remediation action on the part of
the Permittee.
All wells that are constructed for purposes of groundwater monitoring shall be constructed in
accordance with 15A NCAC 2C _0108 (Standards of Construction for Wells Other than Water Supply)
and any other state and local laws and regulations pertaining to well construction.
Within sixty (60) days of permit issuance, the permittee shall submit two original copies of a scaled site
map (scale no greater than 1":100). The map must include the following information:
a. the location and identity of each monitoring well,
b. the location of major components of the waste disposal system,
c. the location of all property boundaries within 500 feet of the disposal area,
d. the latitude and longitude of the established horizontal control monument,
e. the relative elevation of the top of the well casing (which shall be known as the "measuring
point"),
f. the depth of water below the measuring point at the time the measuring point is established.
g. The location of review and compliance boundaries, and
h. The date the map is prepared and/or revised.
The survey shall be conducted using approved practices outlined in North Carolina General Statutes
Chapter 89C and the North Carolina Administrative Code -Title 21, Chapter 56. The surveyor shall
establish a horizontal control monument on the property of the waste disposal system and determine
the latitude and longitude of this horizontal control monument to a horizontal positional accuracy of
y/- 10 feet. All other features listed in a. through e. above shall be surveyed relative to this horizontal
control monument. The positional accuracy of features listed in a. through e. above shall have a ratio
of precision not to exceed an error of closure of I foot per 10,000 feet of perimeter of the survey.
Any fearures located by the radial method will be located from a minimum of two points. Horizontal
control monument shall be installed in such a manner and made of such materials that the monument
will not be destroyed due to activities that may take place on the property. The map shall also be
surveyed using the North American Datum of 1983 coordinate system and shall indicate the datum on
the map. All bearings or azimuths shall be based on either the true or NAD 83 grid meridian. If a
Global Positioning System (GPS) is used to determine the latitude and longitude of the horizontal
control monument, a GPS receiver that has the capability to perform differential GPS shall be used
and all data collected by the GPS receiver will be differentially corrected.
Control monuments shall be installed in such a manner and made of such materials that the
monument will not be destroyed due to activities that may take place on the property.
The maps and any supporting documentation shall be sent to the Groundwater Section, N-C. Division
of Water Quality, 1636 Mail Service Center Raleigh, N-C. 27699-1636.
10. OiI drained from engine crankcases, antifreeze or degreasing solvent wastes SHALL NOT be
discharged into the disposal system.

11. All components of the groundwater recovery, treatment, and disposal system shall be properly weather-
proofed to prevent freezing and failure of the system_
12. 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
Washington Regional Office within 48 hours.
13. Isoconcentration (lines connecting points of equal concentration) maps in both the vertical and
horizontal directions shall be developed using the January and July groundwater monitoring data for
wells. A water level contour map must also be developed on a annual basis. These maps shall be
submitted along with all other monitoring data for that period.
14. The Permittee shall retain copies of records of all monitoring information, including all calibration and
maintenance records, all original strip chart recordings for continuous monitoring instrumentation and
copies of all reports required by this permit, for a period of at least 3 years from the date of the sample,
measurement, report or application. Records of this monitoring information shall include, but not be
limited to, the following:
a. the date, exact place, and time of sampling or measurements,
b. the individual who performed the sampling or measurements,
c. the date the analyses were performed,
d. the analytical techniques or methods used, and
e. the results of any such sampling, measurements, and analyses.
15. The Permittee shall report any monitoring or other information which indicates that any contaminant
may cause an endangerment to an underground source of drinking water and any noncompliance with a
perrnit condition of malfunction of the injection system which may cause fluid migration outside the
injection zone or area. The information shall be provided to the 'Washington Regional Office orally
within 8 hours of the occurrence and as a written submission within five days of the occurrence. The
written submission shall contain a description of the noncompliance and its cause, the period of
noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the
anticipated time it is expected to continue, and any steps taken or planned to reduce, eliminate and
prevent reoccurrence of the noncompliance.
16, The issuance of this permit does not remove the permittee's responsibility to comply with the corrective
action requirements of the Division of Waste Management, UST Section. Furthermore, the perrr:.ittee
should notify and report all changes concerning the remedial system to the Division of Waste
Management, UST Section. It is the permittee's responsibility to comply with the requirements of all
involved agencies_
17. Sixty (60) days prior to closure of the infiltration gallery, the permittee must request a rescission of the
permit from the Division of Water Quality.
18. All reports and documentation (e.g. maps and Form GW-59) shall be mailed to the following address;
Groundwater Section
Permits and Compliance Unit
1636 Mail Service Center
Raleigh, NC 27699-1636
Updated blank forms (GW-1, GW-30, GW-59) may be downloaded from the Groundwater Section's
website at http_I/gw.ehnrstate.nc.us/ or requested from the address above_
The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality
Monitoring: Compliance Report Form) by the Groundwater Section (address listed above) on or

before the last working day of the month following the sampling month. The data of all groundwater
sampling analyses required by the permit conditions must be reported using the most recent GW-59
form along with attached copies of the laboratory analyses.
V. INSPECTIONS
I. 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 Pere- tree shall
maintain 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 to the Division or other permitting authority, upon request.
3. Any duly authorized officer, employee, or representative of the Division may, upon presentation of
credentials, enter and inspect any property, premises or place on or related to the disposal site or
facility at any reasonable time for the purpose of determining compliance with this permit, may
inspect or copy any records that must be maintained under the terms and conditions of this permit,
and may obtain samples of groundwater, surface water, or-Ieachate.
VI. GENERAL CONDITIONS
1. Issuance of this permit does not constitute approval for reimbursement from the Leaking Petroleum
Underground Storage Tank Cleanup Funds (15A NCAC 2P).
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
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. A set of approved plans and specifications for the subject project must be retained by the Permittee
for the life of this project.
Failure to abide by the conditions and limitations contained in this permit may subject the Permittee
to an enforcement action by the Division in accordance with North Carolina General Statute 143-
215.6A to 143-215.6C.
6. 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 15A NCAC 2H .0205 (c)(4).
7. 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.
8. 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 wiII 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 30th day of September, 2002
NORTH ROLIN ENVIRONMENTAL MANAGEMENT COMMISSION
i
•�AAlan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0006761