WQ0005233_Final Permit_20110930

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North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Laves Perdue Coieen H. Sullins
Governor Director
September 30, 2011
George W. Radford — Environmental Affairs Officer
US MCAS Cherry Point (.IMICALF — Atlantic)
Marine Corps Air Station
Postal Service Center Box 8003
Cherry Point, North Carolina 28533-0003
Dear Mr. Radford -
Dee Freeman
Secretary
Subject: Permit No. WQ0005233
Enlisted Mens Barracks
Atlantic Airfield WWTP
Wastewater Irrigation System
Carteret County
In accordance with your minor permit modification request received August 15, 2011, we are
forwarding herewith Permit No. WQ0005233 dated September 30, 2011, to US MCAS Cherry Point
(MCALF — Atlantic) for the continued operation of the subject wastewater treatment and wastewater
irrigation facilities.
Modifications to the subject permit are as follows:
➢ The permit description has been revised to include the backwash waste stream froze the new
potable water treatment system.
➢ Condition 111.7. has been revised to include the addition of backwash from the potable water
treatment system into the WWTP.
➢ Condition IV.11. contains instructions for submittal of monitoring well reports. This
condition was inadvertently left out of the previous permit issuance.
➢ Attachment A has been revised as follows:
o Flow measurement has been incorporated into PPI 001. As a result, PPI 002 has been
removed. This will reduce the amount of paper forms required for reporting.
o Effluent monitoring for Iron (Fe) has been added to PPI 001.
➢ For your convenience, customized electronic copies of your facility's NDMR, and NDAR-1
forms are available for download at: http://portal.ncdenr.oruiweb. wgiaps/lauireportutg.
Please pay special attention to Condition I.1., which requires the Permittee to submit a
report to the Division within 90 days of permit issuance outlining a schedule for replacing or
repairing the liner in the facultative lagoon. This report shall also include an evaluation of the liner
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George W. Radford
September 30, 2011
Page 2 of 2
integrity in the polishing/storage pond. Please note that this condition was included in the previous
permit, dated July 12, 2010 (Condition 1.2.), but to date this report has not been provided.
On August 5, 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. As part of the past legislative session (S,L.
2010-177), HB 683 - Permit Extensions extended the Act by another year. Permit WQ0005233 fails
within the scope of this Act and is therefore being extended until July 31, 2014. A renewal application
must still be submitted six months in advance of the extended expiration date.
This permit shall be effective from the date of issuance until July 31, 2014, shall void Permit No.
WQ0005233 issued June 4, 2010, and shall be subject to the conditions and limitations as specified
therein. Please pay particular attention to the monitoring requirements listed in Attachments A, B and C
because they may differ from the previous permit issuance. Failure to establish an adequate system for
collecting and maintaining the required operational information may result in future compliance
problems.
If any parts, requirements or limitations contained in this permit are unacceptable, the Permittee
has the right to request an adjudicatory hearing upon written request within 30 days following receipt of
this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and fled with the Office of Administrative Hearings at 6714 Mail
Service Center, Raleigh, NC 27699-6714. Unless such demands are made, this permit shall be final and
binding.
If you need additional information concerning this matter, please contact Lori Montgomery at
[phone] or [e-mail].
Sincerely,
Coleen H. Sullins
cc: Carteret County Health Department
Wilmington Regional Office, Aquifer Protection Section
Jason Sesler, PE — Greenhorne & O'Mara
Permit File WQ0005233
Notebook File WQ0005233

NORTH CAROLLNA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER IRRIGATION SYSTEM 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
US MCAS Cherry Point (MCALF - Atlantic)
Carteret County
FOR THE
continued operation of a 5,000 gallon per day (GPD) wastewater treatment and wastewater irrigation
facility consisting of: one (1) 60 gallon per minute (GPM) influent pump station with dual pumps and
high water alarm system; one (1) primary stabilization lagoon; one (1) 468,000-gallon polishing and
storage pond, one (1) chlorine (tablet) contact chamber; dual (2) irrigation pumps with flow measuring
and recording equipment; two (2) 0.50 acre spray irrigation fields; and all associated valves, piping, and
appurtenances to treat wastewater generated from the Enlisted Mens Barracks (Atlantic WWTP), and
backwash from the potable water treatment system, with no discharge of wastes to the surface waters,
pursuant to the renewal request, received August 15, 2011; and in conformity with the project plans,
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 July 31, 2014, shall void Permit No.
WQ0005233 issued June 4, 2010, and shall be subject to the following specified conditions and
limitations:
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L SCHEDULES
1. No later than 90 days following issuance of this permit, the Permittee shall submit to the Division a
report outlining the schedule for replacing or repairing the liner in the facultative lagoon. The report
shall also contain an evaluation of the integrity of the polishing/storage pond liner. This report shall
be submitted to the Aquifer Protection Section in the Wilmington Regional Office at the following
address: 127 Cardinal Drive Extension, Wilmington, NC 27889.
2. No later than six months prior to the expiration of this permit, the Permittee shall request renewal of
this permit on official Division forms. Upon receipt of the request, the Division will review the
adequacy of the facilities described therein, and if warranted, will renew the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note Rule 15A
NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application.
In accordance with 15A NCAC 02H .0404(e), if the subject wastewater treatment or disposal
facilities are in noncompliance with the terms and conditions of this permit, governing statutes or
regulations, the subject facilities shall be connected to an operational publicly owned wastewater
collection system within 180 days of its availability. Prior to the initiation of these connection
activities, appropriate Division approval shall be received.
H. PERFORMANCE STANDARDS
1. The subject non -discharge facilities shall be effectively maintained and operated at all times so there
is no discharge to surface waters, nor any contravention of groundwater or surface water standards.
in the event the facilities fail to perform satisfactorily, including the creation of nuisance conditions
due to improper operation and maintenance, or failure of the irrigation areas to adequately assimilate
the effluent, the Permittee shall take immediate corrective actions including Division required actions,
such as the construction of additional or replacement wastewater treatment or disposal facilities.
2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or
surface water resulting from the operation of this facility.
3. Effluent limitations shall not exceed those specified in Attachment A.
4. Application rates, whether hydraulic, nutrient or other pollutant, shall not exceed those specified in
Attachment 13.
5. A usable green area shall be maintained for effluent disposal. The green area shall have the capability
of accommodating the facility's average daily flow without exceeding the green area loading rates.
As defined in 15A NCAC 02H .0404(g)(7), a "green area" is an area suitable for waste disposal,
either in its natural state or which has been modified by planting a vegetative cover of grasses or low
growing shrubbery.
The compliance boundary for the disposal system shall be specified in accordance with 15A NCAC
02L ,0107(b). This disposal system was individually permitted on or after December 30, 1983;
therefore, the compliance boundary is established at either 250 feet from the effluent disposal area, or
50 feet within the property boundary, whichever is closest to the effluent disposal area. An
exceedance of groundwater standards at or beyond the compliance boundary is subject to remediation
action according to 15A NCAC 02L .0106(d)(2) as well as enforcement actions in accordance with
North Carolina General Statute 143-215.6A through 143-215.6C.
7. In accordance with 15A NCAC 02L .0108, the review boundary is established midway between the
compliance boundary and the effluent disposal area. Any exceedance of groundwater standards at the
review boundary shall require action in accordance with 15A NCAC 02L A 106.
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8. The Permittee shall apply for a permit modification to establish a new compliance boundary prior to
any sale or transfer of property affecting a compliance boundary.
9. In accordance with 15A NCAC 02L .0107(d), no wells, excluding Division approved monitoring
wells, shall be constructed within the compliance boundary except as provided for in 15A NCAC 02L
.0107(g).
10. Except as provided for in 15A NCAC 02L .0107(g), the Permittee shall ensure any landowner who is
not the Permittee and owns land within the compliance boundary shall execute and file with the
Carteret County Register of Deeds an easement running with the land containing the following items:
a. A notice of the permit and number or other description as allowed in 15A NCAC 02L .0107(f)(1);
b. Prohibits construction and operation of water supply wells within the compliance boundary; and
c. Reserves the right of the Permittee or the State to enter the property within the compliance
boundary for purposes related to the permit.
The Director may terminate the easement when its purpose has been fulfilled or is no longer needed.
11. The facilities permitted herein shall be constructed according to the following setbacks:
a. The setbacks for irrigation sites (all permitted prior to September 1, 2006) shall be as follows (all
distances in feet):
i. Any habitable residence or place of public assembly under separate ownership: 400
ii. Surface waters: 100
iii. Any well with exception of monitoring wells: 100
iv. Any property line: 150
v. Public right of way: 50
b. The setbacks for storage and treatment units (all permitted prior to September 1, 2006) shall be as
follows (all distances in feet):
i. Any well with exception of monitoring wells: 100
ii. Any property line: 50
III. OPERATION AND MAINTENANCE REOUIREMENTS
1. The facilities shall be properly maintained and operated at all times. 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. The Permittee shall maintain an Operation and
Maintenance Plan pursuant to 15A NCAC 02T .0507, which at a minimum shall include operational
functions, maintenance schedules, safety measures and a spill response plan.
2. Upon the Water Pollution Control System Operators Certification Commission's (WPCSOCC)
classification of the subject non -discharge facilities, in accordance with 15A NCAC 08G .0200 the
Permittee shall designate and employ a certified operator in responsible charge (ORC) and one or
more certified operator(s) as back-up ORC(s). The ORC or their back-up shall visit the facilities in
accordance with 15A NCAC 08G .0200, and shall comply with all other conditions specified in the
previously cited rules.
3. A suitable year round vegetative cover shall be maintained at all times, such that crop health is
optimized, allows for even distribution of effluent and allows inspection of the irrigation system.
4. Adequate measures shall be taken to prevent effluent ponding in or runoff from the irrigation sites
listed in Attachment B.
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5. Irrigation shall not be performed during inclement weather or when the ground is in a condition that
will cause ponding or runoff.
All irrigation equipment shall be tested and calibrated at least once per permit cycle. Calibration
records shall be maintained at the facility for a period of no less than five years, and shall be made
available to the Division upon request.
Only effluent from the Enlisted Mens Barracks and the potable water treatment system backwash at
USMCAS Cherry Point shall be treated in the subject WWTP, and irrigated on the sites listed in
Attachment B.
No automobiles or machinery shall be allowed on the irrigation sites except during equipment
installation or while maintenance is being performed.
9. Public access to the irrigation sites and wastewater treatment facilities shall be prohibited.
10. The residuals generated from the wastewater treatment facilities shall be disposed or utilized in
accordance with 15A NCAC 02T .1100. The Permittee shall maintain a residual management plan
pursuant to 15A NCAC 02T .0508.
11. Diversion or bypassing of untreated or partially treated wastewater from the treatment facilities is
prohibited.
12. Freeboard in the stabilization lagoon and the polishing and storage pond shall not be less than two
feet at any time.
13. A gauge to monitor waste levels in the stabilization lagoon and the polishing and storage pond shall
be provided. The gauges shall have readily visible permanent markings indicating the following
elevations: maximum liquid level at the top of the temporary liquid storage volume; minimum liquid
level at the bottom of the temporary liquid storage volume; and the lowest point on top of the dam.
14. A protective vegetative cover shall be established and maintained on all earthen embankments (i.e.,
outside toe of embankment to maximum allowable temporary storage elevation on the inside of the
embankment), berms, pipe runs, erosion control areas, and surface water diversions. Trees, shrubs,
and other woody vegetation shall not be allowed to grow on the earthen dikes or embankments.
Earthen embankment areas shall be kept mowed or otherwise controlled and accessible.
M MONITORING AND REPORTING REQUIREMENTS
Any Division required monitoring (including groundwater, plant tissue, soil and surface water
analyses) necessary to ensure groundwater and surface water protection shall be established, and an
acceptable sampling reporting schedule shall be followed.
2. Per 15A NCAC 02H .0800, a Division certified laboratory shall conduct all laboratory analyses for
the required effluent, groundwater or surface water parameters.
Flow through the treatment facility shall be continuously monitored, and daily average flow values
shall be reported on Form NDMR. Flow may be estimated from water use records, provided the
Permittee's water use is metered. Daily average flow values shall be calculated by dividing the
monthly metered water usage by the number of days in the month.
4. The Permittee shall monitor the effluent from the subject facilities at the frequencies and locations for
the parameters specified in Attachment A.
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5. The Permittee shall maintain adequate records tracking the amount of effluent irrigated. At a
minimum, these records shall include the following information for each irrigation site listed in
Attachment B:
a. Date of irrigation.;
b. Volume of effluent irrigated;
c. Site irrigated;
d. Length of time site is irrigated;
c. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings;
f. Weather conditions; and
g. Maintenance of cover crops.
6. Freeboard (i.e., waste level to the lowest embankment elevation) in the stabilization lagoon and the
polishing and storage pond shall be recorded weekly. Weekly freeboard records shall be maintained
at the facility for a period of no less than five years, and shall be made available to the Division upon
request.
7. Three copies of all monitoring data (as specified in Conditions IV3. and IV.4.) on Form NDMR for
each PPI and three copies of all operation and disposal records (as specified in Conditions IV.5. and
IV.6.) on Form NDAR-I for every site in Attachment B shall be submitted on or before the last day of
the following month. If no activities occurred during the monitoring month, monitoring reports are
still required documenting the absence of the activity. All information shall be submitted to the
following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
A record shall be maintained of all residuals removed from this facility. This record shall be
maintained at the facility for a period of no less than five years, and shall be made available to the
Division upon request. At a minimum, this record shall include:
a. Name of the residuals hauler;
b. Non -Discharge permit number authorizing the residuals disposal, or a letter from a municipality
agreeing to accept the residuals;
c. Date the residuals were hauled; and
d. Volume of residuals removed.
9. A maintenance log shall be maintained at this facility. This log shall be maintained at the facility for
a period of no less than five years, and shall be made available to the Division upon request. At a
minimum, this log shall include:
a. Visual observations of the plant and plant site; and
b. Record of preventative maintenance (e.g., changing of equipment, adjustments, testing,
inspections and cleanings, etc.).
10. Monitoring wells shall be sampled at the frequencies and for the parameters specified in Attachment C.
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11. Two copies of the monitoring well sampling and analysis results shall be submitted on a Compliance
Monitoring Form (GW-59), along with attached copies of laboratory analyses, on or before the last
working day of the month following the sampling month. The Compliance Monitoring Form (GW-
59) shall include this permit number, the appropriate well identification number, and one GW-59a
certification form shall be submitted with each set of sampling results. All information shall be
submitted to the following address:
Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
12. An annual representative soils analysis (i.e., Standard Soil Fertility Analysis) shall be conducted on
each irrigation site listed in Attachment B. These results shall be maintained at the facility for a
period of no less than five years, and shall be made available to the Division upon request. At a
minimum, the Standard Soil Fertility Analysis shall include the following parameters:
Acidity
Exchangeable Sodium Percentage
Phosphorus
Base Saturation (by calculation)
Magnesium
Potassium
Calcium
Manganese
Sodium
Cation Exchange Capacity
Percent Humic Matter
Zinc
Copper
pH
13. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone number (910)
796-7215, 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 facility resulting in the treatment of significant amounts of wastes that is
abnormal in quantity or characteristic, including the known passage of a hazardous substance.
b. Any process unit failure (e.g., mechanical, electrical, etc.), due to known or unknown reasons,
rendering the facility incapable of adequate wastewater treatment.
c. Any facility failure resulting in a by-pass directly to receiving surface waters.
d. Any time self -monitoring indicates the facility has gone out of compliance with its permit
limitations.
e. Ponding in or runoff from the irrigation sites.
Any emergency requiring immediate reporting (e.g., discharges to surface waters, imminent failure of
a storage structure, etc.) outside normal business hours shall be reported to the Division's Emergency
Response personnel at telephone number [phone], [phone], or [phone].
Persons reporting such occurrences by telephone shall also file a written report in letter form within
five days following first knowledge of the occurrence. This report shall outline the actions taken or
proposed to be taken to ensure the problem does not recur.
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N'. INSPECTIONS
1. The Permittee shall provide adequate inspection and maintenance to ensure proper operation of the
wastewater treatment and disposal facilities.
2. The Permittee or their designee shall inspect the wastewater treatment and disposal facilities to
prevent malfunctions, facility deterioration and operator errors resulting in discharges, which may
cause the release of wastes to the environment, a threat to human health or a public nuisance. The
Permittee shall maintain an inspection log that includes, at a minimum, the date and time of
inspection, observations made, and any maintenance, repairs, or corrective actions taken. The
Permittee shall maintain this inspection log for a period of five years from the date of the inspection,
and this flog shall be made available to the Division upon request.
3. Any duly authorized Division representative may, upon presentation of credentials, enter and inspect
any property, premises or place on or related to the wastewater treatment and disposal facilities
permitted herein at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records required to be maintained under the terms and conditions of this
permit, and may collect groundwater, surface water or leachate samples.
VI. GENERAL CONDITIONS
1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to
an enforcement action by the Division in accordance with North Carolina General Statutes 143-
215.6A to 143-215.6C.
2. This permit shall become voidable if the permitted facilities are not constructed in accordance with
the conditions of this permit, the Division approved plans and specifications, and other supporting
documentation.
3. This permit is effective only with respect to the nature and volume of wastes described in the permit
application, Division approved plans and specifications, and other supporting documentation. No
variances to applicable rules governing the construction or operation of the permitted facilities are
granted, unless specifically requested and approved in this permit pursuant to 15A NCAC 02T
.0105(n).
4. The issuance of this permit does not exempt the Permittee from complying with any and all statutes,
rules, regulations; or ordinances, which may be imposed by other jurisdictional government agencies
(e.g., local, state, and federal). Of particular concern to the Division are applicable river buffer rules
in 15A NCAC 02B .0200; erosion and sedimentation control requirements in 15A NCAC Chapter 4
and under the Division's General Permit NCGO10000; any requirements pertaining to wetlands under
15A NCAC 02B .0200 and 02H .0500; and documentation of compliance with Article 21 Part 6 of
Chapter 143 of the General Statutes.
5. In the event the permitted facilities change ownership or the Permittee changes their name, a formal
permit modification request shall be submitted to the Division. This request shall be made on official
Division forms, and shall include appropriate property ownership documentation and other supporting
documentation as necessary. The Permittee of record shall remain fully responsible for maintaining,
and operating the facilities permitted herein until a permit is issued to the new owner.
The Permittee shall retain a set of Division approved plans and specifications for the life of the
facilities permitted herein.
The Permittee shall maintain this permit until all permitted facilities herein are properly closed or
permitted under another permit issued by the appropriate permitting authority pursuant to 1.5A NCAC
02T .01050).
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8. This permit is subject to revocation or unilateral modification upon 60 days notice from the Division
Director, in whole or part for the requirements listed in 15A NCAC 02T .0110.
9. Unless the Division Director grants a variance, expansion of the permitted facilities contained herein
shall not be granted if the Permittee exemplifies any of the criteria in 15A NCAC 02T .0120(b).
10. The Permittee shall pay the annual fee within 30 days after being billed by the Division. Failure to
pay the annual fee accordingly shall be cause for the Division to revoke this permit pursuant to 15A
NCAC 02T .0105(e)(3).
Permit issued this the 30'h day of September, 2011
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Z-A
Sr„UKleeF)r Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0005233
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ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001— WWTP Effluent
Permit Number: WQ0005233 Version: 3.2
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING
REQUIREMENTS
PCS
Code
Parameter Description
Monthly Average
Monthly Geometric
Mean
I}ail} Minimum
Daih 1lazimum
Measurement
Frequency
Sample
Type
50050
Flow. in conduit or thru treatment plant
5000
GPD
Continuous
Estimate
C 0610
Nitrogen, Ammonia Total (as N)
3 X Year
Grab
01045
Iron. Total (as Fe)
Monthly
Grab
C0600
Nitrogen, Total (as N) - Concentration
3 X Year
Grab
C0665
Phosphorus, Total (as P)
3 X Year
Grab
00310
BOD. 5-Day (20 Deg_ C)
60
mg/1
3 X Year
Grab
00400
p1l - 00400
6.0
S.U.
9.0
S-us
3 X Year
Grab
31616
Colirorm_ Fecal MF, TvI-FC Broth,44.5C
200
#/100 till
Monthly
Grab
00530
Solids, Total Suspended
90
mg/I
3 X Year
Grab
00625
Nitrogen, Kjeldah1. Total (as N)
3 X Year
Grab
3 X Year sampling shall be conducted in March, July, and November.
WQ0005233 Version 3.2 Attachment A Page 1 of 2

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Gig Q00052 Jersion 3.2 Ath :ent A ,e 2 of 2

ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS Permit Number: WQ0005233 Version: 3.2
US WAS Cherry Point (MCALF --- Atlantic) -- Enlisted Mens Barracks, Atlantic Airfield WWTP
IRRIGATION AREA INFORMATION
APPLICATION LIMITATIONS
Field
Owner
County
Latitude
Longitude
Net Acreage
Dominant
Soil Series
FaraFneter
Hourly
Rate
Yearly
Max
Units
01
US WAS Cherry Point McAlf-Atlantic
Carteret
34052'55"
76021102"
.50
Leon sand
01284 - Non -Discharge Application hate
0.26
67
inches
02
US WAS Cherry Point McAlf-Atlantic
Carteret
34'52'54"
76120'59"
.50
Leon sand
01284 - Non -Discharge Application Rate
0.26
67
inches
Totals
1.00
WQ005233 Version 3.2 Attachment B Page i of

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WQ0052. ersimi 3.2 Att aeDtB 'age 2 of

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Monitoring wells: MW-2, MW-3, MW-4, and MW-5.
Permit Number: WQ0005233 Version: 3.2
GROUNDWATER CHARACTERISTICS
GROUNDWATER STANDARDS
MONITORING REQUIREMENTS
PCS Code
Parameter Description
Daily Maximum
Frequency Measurement
Sample Type
Footnotes
82546
Water level, distance from measuring point
3 X Year
Calculated
1,2,3
31616
Colifonn, Fecal MF, M-FC Broth,44.5C
3 X Year
Grab
I
70300
Solids, Total Dissolved- 180 Deg.0
500
mg/l
3 X Year
Grab
1
Q0400
pll
6.5 s.u.
8.5 s.u.
3 X Year
Grab
1,2
00680
Carbon, Tot Organic (TOC) - 00680
3 X Year
Grab
I,6
00940
Chloride (as Cl) - 00940 - Summer
250
mg/l
3 X Year
Grab
1
78732
Volatile Compounds, (GC/MS) - 78732
1 X Year
Grab
1,4,5
1. 3 x Year monitoring shall be conducted in March, July & November; Annual monitoring shall be conducted every June.
2. The measurement of water levels shall be made prior to purging the wells. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The measurement
of pl I shall be made after purging and prior to sampling for the remaining parameters.
3. 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 treasuring points (top
of casing) of all monitoring wells shall be surveyed relative to a common datum.
4. Volatile Organic Compounds (VOC) - In November only, analyze by one of the following methods:
a. Standard Method 6230D, PQL at 0.5 pg/1_ or less
b. Standard Method 62101), PQL at 0.5 pg/L or less
C. EPA Method 8021, Low Concentration, PQL at 0.5 pg/L or less
d. EPA Method 8260, Low Concentration, PQL at 0.5 pg/L or less
e. Another method with prior approval by the Aquifer Protection Section Chief
Any method used must meet the following qualifications:
a. A laboratory must be DWQ certified to nm any method used.
b. The method used must, at a minimum, include all the constituents listed in Table Vill of Standard Method 6230D.
c. 'Iiie method used must provide a PQL of 0.5 fig/L or less that 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 of 0.5 pg/L must be qualified (estimated) and reported.
5. 11' any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Wilmington Regional Office Aquifer Protection Supervisor, telephone
number [phone], must be contacted immediately far further instructions regarding any additional follow-up analyses required_
6. if 'FOC concentrations greater than 10 mg/l are detected in any downgradient monitoring well, additional sampling and analysis must be conducted to identify the individual constituents
comprising this TUC concentration. If the 'FOC concentration as measured in the background :monitor well exceeds 10 mg/l, this concentration will betaken to represent the naturally occurring
TOC concentration. Any exceedances of this naturally occurring TOC concentration in the downgradient wells shall be subject to the additional sampling and analysis as described above.
7. Monitoring wells shall be reported consistent with the nomenclature provided in this attachment.
WQ0005233 Version 3.2 Attachment C Page I of I

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