HomeMy WebLinkAboutWQ0034819_Final Permit_20101130- 714
DEN
North Carolina Department of Environment and Natura
Division of Water Quality
Bevedy'Eaves Perdue.
:governor
Mr. Larry Stancil, President
Stancil Oil Company
Post Office Drawer 188
Selma, NC 27576
Coleen H. Sullins
Directo,
November 30, 2010
Subject: Groundwater Remediation Permit Number WQ0034819
Stancil Oil Company — Myatt's Country Store Site
Wake County
Dear Mr. Stancil:
Resources
Dee Freeman
5e3retary
In accordance with your request through Rvan D. Kerins of Terraquest Environmental Consultants, P.C. for permit
issuance, received May 3, 2010, and additional 'information received on May 10, 2010, June 14, 2010, July, 13,
2010, August 20, 2010, and September 21, 2010, we are forwarding herewith Permit No. WQ0034819, dated
November 30, 2010, to Stancil Oil Company for construction and operation of the subj ect groundwater remediation
facility.
On August S, 2009, Session Law 2009-406, entitled "An Act to Extend Certain Government Approvals Affecting
the Development of Real Property Within the State," was enacted by the General Assembly and signed into law.
The Act, known as the Permit Extension Act of 2009, extends the expiration date of certain government approvals
and permits. On August 2, 2010, this Act was extended an additional year. The subject permit falls within the
scope of this Act and is therefore being extended to December 31, 2016 and shaIl 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 permit. 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.
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If you need any additional information concerning this matter, please contact David Goodrich at (919) 715-6162.
Sincerely,
Lop Coleen H. Sullins
cc: Wake County Health Department
Raleigh Regional Office, Aquifer Protection Section
Ryan D. Kerins, Terraquest Environmental Consultants, P.C., 100 E. Ruffin Street, Mebane, NC 27302
Technical Assistance and Certification Unit
WQ0034819 Permit File
WQ0034819 Notebook File
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
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
Stancil Oil Company
Wake County
FOR THE
construction and operation of a 9,504 GPD groundwater remediation facility consisting of six (6) 1.0 GPM 4-inch
diameter PVC recovery (extraction) wells; an extensive groundwater treatment system that includes an oil/water
separator unit, an air stripper unit, a high-pressure sand filter, a bag filter system, and a series of granular activated
carbon vessels; two (2) 3.5 GPM injection wells; five (5) soil vapor extraction (SVE) wells; a 4-inch thick
concrete pad if the asphalt in the proposed=location of the equipment shed is not suitable for proper anchoring; a
prefabricated equipment shed meeting state and local building and/or zoning codes constructed with aluminum or
vinyl siding that is enclosed by a security fence; and a dedicated power service pole and meter installed within the
fenced area, along with all associated piping, valves, and appurtenances to reznediate gasoline contamination, with
no discharge of wastes to the surface waters, pursuant to the application received May 3, 2010, and subsequent
additional information received by the Division of Water Quality (Division) and in conformity with the project
plan, specifications, and other supporting data subsequently filed and approved by the Division and considered a
part of this permit.
This permit shall be effective from the date of issuance until December 31, 2016, and shall be subject to
the following specified conditions and limitations:
L PERFORMANCE STANDARDS
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, the approved plans and specifications, and other supporting materials. If this
project is to be completed in phases and partially certified, you shall retain the responsibility to track
further construction approved under the same permit, and shall provide; a final certificate of completion
once the entire project has been completed. Mail the Certification to: Aquifer Protection Section,
Groundwater Protection Unit,1636 Mail Service Center, Raleigh, NC 27699-1636.
WQ0034819 Version 1.0 Page 1 of 8
2. The Raleigh Regional Office, telephone number (919) 791-4200, 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.
The groundwater treatment system shall consistently achieve Class GA Standards in the treatment
effluent, as outlined under Title 15A NCAC Subchapter 2L, Section .0202(g), prior to discharge to the
injection wells. If the treatment system fails to consistently achieve this standard, additional treatment
units or changes in operational needs may be required.
4. This permit shall become voidable if the soils fail to adequately assimilate the remaining 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 and groundwaters.
5. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or
groundwaters resulting frorn the operation of this facility.
6. 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.
7. Diversion or bypassing of the untreated groundwater from the treatment facilities is prohibited,
II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated as a non -discharge system to prevent the
discharge of any wastewater resulting from the operation of this facility. The groundwater recovery,
treatment and disposal system shall be inspected daily for the first week, of its operation, then weekly for
the . next month, and monthly thereafter. Monitoring may be performed remotely after 30 days of
successful system operation, once it is established that the system is functioning properly. If it is
determined that the system is malfunctioning or leading to the release of wastes to the environment, a
threat to human health, or a nuisance, all repairs should be made as soon as possible and reported to the
Raleigh Regional Office (see Section VI. NONCOMPLIANCE NOTIFICATION). All components of
the groundwater recovery, treatment, and disposal system shall be properly weatherproofed to prevent
freezing and failure of the system.
2. Upon classification of the wastewater treatment and remediation facilities by the Water Pollution Control
System Operators Certification Commission (WPCSOCC), the Permittee shall designate and employ a
certified operator to be in responsible charge (ORC) and one or more certified operator(s) to be back-up
ORC(s) of the facilities in accordance with 15A NCAC 8G .0201. The ORC shall visit the facilities in
accordance with 15A NCAC SG .0204 or as specified in this permit and shall comply with all other
conditions specified in these rules.
The injection wells shall be operated above the water table at all times.
4. If requested in writing by the owner, the Division will consider remote monitoring in lieu of monthly
physical inspections, on a case -by -case basis, following at least two years of successful operation.
5. The Permittee 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 Penmittee 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.
WQ0034819 Version 1.0 Page 2 of 8
6. 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 leachate.
III. WELL CONSTRUCTION/ABANDONMENT CRITERIA
Prior to beginning waste disposal operations, Monitor Well MW-2 shall be repaired and a nested
monitoring well pair consisting of one shallow well and one deep well, shall be installed at a location
southeast of the injection wells to monitor groundwater quality to detect any migration of contaminants.
The well(s) shall be constructed such that the water level in the well is never below the screened (open)
portion of the well at any time during the year. The screened (open) portion of the well(s) shall be located
at a depth appropriate to detect the treated waste or plume migration. The general location and name for
each well is marked on Figure 2. Each monitoring well shall be constructed in accordance with this permit
and as approved by the Raleigh Regional Office.
2. The six (6) recovery well(s) shall be constructed of 4-inch diameter PVC casing, 0.020-inch slotted PVC
screen, and the screened interval of each well shall be located from 28 feet to 48 feet below land surface.
The two (2) injection wells shall be constructed of 1-inch diameter PVC casing and the screened interval
of each well shall be located from 43 feet to 53 feet below land surface. Prior to operation of the
groundwater remediation system, the Permittee shall certify the mechanical integrity of the injection
well(s) as defined by 15A NCAC 2C .0207.
4. Flow measurement devices shall be installed to monitor the volumes injected at each injection well. Also
each injection wellhead shall be equipped to measure the injection pressure at the screened interval. If the
injection pressure is greater than atmospheric pressure, the mechanical integrity of the injection well(s)
shall be demonstrated according to 15A NCAC 2C .0207.
5. Pursuant to rule 15A NCAC 2C .0211(h), injection may not commence until construction of the injection
wells is completed, the Permittee has submitted notice of completion of construction to the Raleigh
Regional Office, and the regional office staff has inspected or otherwise reviewed the injection well and
finds it in compliance with the permit. if the Permittee has not received notice from the Raleigh Regional
Office of the intent to inspect or otherwise review the injection well within 10 days after the regional
office has received the notice, the Pennittee may commence operation of the injection wells.
6. All well(s) (monitoring, injection and recovery) must be constructed by either a North Carolina Certified
Well Contractor, the property owner, or the property lessee according to General Statutes 87-98.4(b)(2). If
the construction is not performed by a certified well contractor, the property owner or lessee, provided
they arc a natural person, must physically perform the actual well construction activities. All wells) must
be constructed according to the North Carolina Well Construction Standards (15A NCAC 2C .0108 for
monitoring and recovery wells, and 2C .0200 for injection wells) and any local county rules.
7. The Raleigh Regional Office, telephone number (919) 791-4200, shall be notified at least forty-eight (48)
hours prior to the construction of any monitoring well so that an inspection can be made of the monitoring
well location. Such notification to the regional groundwater 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.
Within thirty (30) days of completion of all well construction activities, a certification must be received
from a professional engineer or a licensed geologist certifying that the monitoring well(s) are located
according to this permit.
WQ0034819 Version 1.0 Page 3 of 9
9. Within sixty (60) days of completion of all well installations, the Permittee shall submit two (2) original
copies of a scaled site map (scale no greater than 1 "=100'). The map(s) must include the following
information:
a. The location and identity of each well (recovery, monitoring, injection, water supply, etc.).
b. The location of major components of the waste disposal system..
c. The location of property boundaries within 500 feet of the disposal area(s).
d. The latitude and longitude of the established horizontal control monument.
e. The elevation of the top of the well casing (which shall be known as the "measuring point") relative
to a common datum.
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.
h. The date the map is prepared and/or revised.
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. Maps and any supporting
documentation shall be sent to: Aquifer Protection Section
Groundwater Protection Unit
1636 Mail Service Center
Raleigh, NC 27699-1636
The Permittee is responsible for the geographic accuracy of any map submitted, however produced.
IV. MONITORING REQUIREMENTS
1. The influent and effluent from the treatment system shall be sampled upon system startup, then every
week for a month, followed by monthly sampling for six months, and thereafter every January, April,
July, and October for the parameters specified below:
Volatile Organic Compounds (VOCs) including naphthalene, MTBE, IPE, EDC and EDB by
Standard Method 6200B
Lead with Standard Method 3030C preparation
Total Suspended Solids
2. Monitor well(s) MW-2, MW-5, MW-19, and the nested well pair to be constricted southeast of the
injection wells, shall be sampled prior to system stamp, and thereafter every January, April, July, and
October for the parameters listed below:
Field Parameter Measurements: pH, temperature, specific conductance, Oxidation Reduction
Potential (ORP), and Dissolved Oxygen (DO)
Laboratory Parameter Analyses:
Volatile Organic Compounds (VOCs) including naphthalene, MTBE, IPE, EDC and EDB by
Standard Method 6200B
Lead with Standard Method 3030C preparation
3. During the initial baseline analysis and the final site closure analysis, duplicate samples to confirm the
concentration of EDB in the wells shall also be analyzed by EPA Method 504.1.
4. Prior to sampling the parameters, the measurement of water levels must be taken. 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 relative to a common datum.
WQ0034819 Version I.0 Page 4 of 8
5. Any laboratory selected to analyze parameters must be Division of Water Quality certified for those
parameters required.
6. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided,
V. REPORTING REQUIREMENTS
Three (3) copies of Form GW-1 (Neil Construction Record) for the nested monitor well pair shall be
mailed to the following address: Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
Updated blank forms may be downloaded from the Division of Water Quality website at
httT):i.'13ortal.nedeir.orgf`wel'i%wg ap5.` or requested from. the address mentioned above.
�. The Permittee shall retain records of all monitoring information, including calibration and maintenance
records, continuous monitoring data and reports required by this permit, for 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 analvses were performed,
d. the analytical techniques or methods used, and
e. the results of such sampling, measurements, and analyses.
The Permittee shall report to the Raleigh Regional Office (see Section V'L NONCOMPLIANCE
NOTIFICATION) any monitoring or other information which indicates:
a. any contaminant may cause an endangerment to an underground source of drinking water,
b, any noncompliance with a permit condition due to a malfunction of the system, or
c. any cause of fluid migration outside the injection zone or area.
The written submission shall contain a description of the noncompliance and its cause, the period of
noncompliance, including exact dates and times. If the noncompliance is not corrected and is expected to
continue, steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance
shall be provided to the Regional Office in a timely manner.
The Permittee shall submit an annual report summarizing the volume and injection pressures of effluent
discharged into the injection wells and the summary results of related groundwater, influent, and effluent
monitoring. Isoconcentrations (horizontal and vertical direction) and water level contour maps shall be
prepared on an annual basis and submitted with this report. If an annual report containing this information
(e.g. corrective action plan) is required by a regulatory agency, the Permittee may submit two (2) copies
of that report in lieu of the preceding information within thirty days of its publication.. The Permittee shall
submit this report to the following address: Aquifer Protection Section, Groundwater Protection Unit,
1636 Mail Service Center, Raleigh, NC 27699-1636.
WQ0034919 Version 1,0 Page 5 of 8
VI. NONCOMPLIANCE NOTIFICATION
1. The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919) 791-
4200, 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.;
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; 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.
e. Any new release on site associated with the filling, use, or maintenance of any of the active
underground storage tanks at the facility, including the failure of any tank tightness testlintegrity
compliance test.
1 Occurrences outside normal business hours may also be reported to the Division's Emergency Response
personnel at telephone number (800) 858-0368 or to the Emergency Management's switchboard at (919)
733-3300. Also, persons reporting such occurrences by telephone shall file a written report 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.
VII. APPLICABLE BOUNDARIES
The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L,
Groundwater Classifications and Standards. The Compliance Boundary for the disposal system
individually permitted after December 30, 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 Class GA Standards at or beyond the Compliance Boundary is subject to remediation
action according to 15A NCAC 2L .0106(d)(2).
2. The REVIEW BOUNDARY is established around the disposal systems midway between the Compliance
Boundary and the perimeter of the waste disposal area. Any exceedance of Class GA Standards at the
Review Boundary may require action in accordance with 15A NCAC 2L .0106(d)(1).
VUL GENERAL CONDITIONS
Issuance of this permit does not constitute approval for reimbursement from the Leaking Petroleum
Underground Storage Tank Cleanup Fund (15A NCAC 2P) or any other fund. Additionally, 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. Furthermore, the Permittee should notify and report
all changes concerning the remedial system to the Division of Waste Management. It is the Permittee's
responsibility to comply with the requirements of all involved agencies.
2. This permit shall become voidable unless the facilities are constructed in.aecordance with the conditions
of this permit, the approved plans and specifications, and other supporting data,
3. This permit is effective only with respect to the nature and volume of wastes described in the application
and other supporting data.
WQ0034819 Version 1.0 Page 6 of 8
4. 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.
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 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 15A NCAC 2T .0105 (e)(3).
S. 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.
Sixty (60) days prior to closure of the injection wells, the Permittee must request a rescission of the
permit from, the Division of Water Quality. Guidelines for the closure of the injection wells may be
obtained from http:/Jp_Qrtal.ncdenr.org/web/wq/aos/Ewpro/ruies-statutes, or requested from the
Division of Water Quality. Further clarification for the policies regarding the abandonment of injection
wells may be found at http_iipoirtal.ncdenr.orLr{webiwq,'ar)s, Policies &. Memorandums, Guidelines for
Infiltration Gallery Closure and injection Well Abandonment at Groundwater Remediation Sites.
10. If the Permittee wants to continue operation of this system, at least six (6) months prior to the expiration
of this permit, the Permittee 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 30t" day of November, 2010
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
s'/
for Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0034819
WQ0034819 Version 1.0 Page 7 of 8
Pennit No. WQ0034919
Stancil Oil Company Groundwater Remediation System.
ENGINEER'S CERTIFICATION
Partial Final
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 and County
for the Pennittee 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
this permit, the approved plans and specifications, and other supporting materials.
Signature
Date
Registration No.
WQ0034819 Version 1.0 Page 8 of 9
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TAKEN FROM USGS TOPOGRAPH!C MAPS Or CLAYTON AND KNIGHTDALE NC
GRAPHIC SCALE
0' 2000' 4000'
FIGURE 1
Auest MYATT'S COUNTRY STORE
GROUNDWATER REMEDIATION SYSTEM
STANCI O;L c
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ENVERONMENTAL CONSULTANTS, P.C.
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GROUNDWATER REMEDIATION SYSTEM
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WQ0034819
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GROUNDWATER REMEDIATION SYSTEM
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WQ0034819
SITE MAP SHOWING CONFIGURATION
OF THE GROUNDWATER TREATMENT SYSTEM
AND EXTENT OF THE AFFECTED AREA