WQ0000889_Final Permit_20080429

o�0F w A rERQG Michael F. Easley, Governor
` William G. Ross Jr.. Secretary
c') North Carohna Department of Environment and Natural Resources
p -C Coleen H. Sullins Director
Division of Water Quality
April 29, 2008
Richard C. Atwood — General Manager
PCS Phosphate Company, Inc.
1530 NC HWY 306S
Aurora, North Carolina 27806
Dear Mr. Atwood:
Subject: Permit No. WQ0000889
PCS Phosphate WWTP
High -Rate Infiltration
Beaufort County
In accordance with your permit renewal request received January 28, 2008, we are forwarding
herewith Permit No. WQ0000889, dated April 29, 2008, to PCS Phosphate for the continued operation of
the subject wastewater treatment and high -rate infiltration facilities.
This permit shall be effective from the date of issuance until March 31, 2013, shall void Permit
No. WQ0000889 issued October 30, 2003, 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. Please note that effluent sampling frequencies and parameters have
been changed (Attachment A).
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 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.
If you need additional information concerning this matter, please contact Matthew Fleahman at
[phone] or [e-mail].
Sincer/V/
--AColeen H. Sullins
cc: Beaufort County Health Department
Washington Regional Office, Aquifer Protection Section
Technical Assistance and Certification Unit
APS Central Files
LAU Files
Nor hCarolina
Ag4fra!!y
Aquifer Protection Section 1636 Mail Service Center Raleigh, NC 27699-1636 Telephone: [phone]
Intel -net; www.ncwater ualitv.org Location: 2728 Capital Boulevard Raleigh, NC 27604 Fax 1: [phone]
Fax 2: [phone]
An Equal Opportunity/Affirmative Action Employer— 50% Recycled(10% Post Consumer Paper Customer Service: [phone]

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
HIGH -RATE U"4MTRATION 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
PCS Phosphate Company, Inc.
Beaufort County
FOR THE
continued operation of a 30,000 gallon per day (GPD) wastewater treatment and high rate infiltration
facilities consisting of fifty (50) simplex pump stations each with an 18 GPM submersible grinder pump
and high water alarms, approximately 11,476 linear feet of two-inch force main, approximately 11,343
linear feet of three-inch force main, approximately 12,178 linear feet of four -inch force main, dual 125
GPM pump stations with dual submersible pumps and high water alarms, a flow monitoring manhole, two
(2) 14,960 gallon equalization tanks each with two (2) 21 GPM submersible grinder pumps and one (1)
15 cubic foot per minute (CFM) blower, a flow splitter box, four (4) 5,000 gallon anoxic tanks with
mixers, four (4) 5,000 gallon aerobic tanks with two (2) 145 CFM blowers, two (2) 6,200 gallon
clarifiers, a 5,000 gallon aerobic digester, four (4) 6,200 gallon sludge holding tanks, two (2) 5 foot
diameter filters equipped with a 5,000 gallon dosing tank with dual submersible 21 GPM pumps, a 15
CFM blower and a 5,000 gallon backwash holding tank with dual submersible 210 GPM pumps, an
ultraviolet disinfection system, a 632 gallon chlorine contact chamber with tablet chlorination, a 3,441
gallon effluent dosing tank with three (3) 42 GPM suction pumps, three (3) effluent meters, three 6,400
square foot (ft) rapid infiltration fields (totaling 19,200 ft), a diesel powered generator and all associated
valves, pumps and appurtenances to serve the PCS Phosphate Aurop Division, with no discharge of
wastes to the surface waters, pursuant to the application received January 28, 2008, 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 Department
of Environment and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until March 31, 2013, shall void Permit No.
WQ0000889 issued October 30, 2003, and shall be subject to the following specified conditions and
limitations:
WQ0000889 Version 3.0 Shell Version 090124 Page I of 9

I. SCHEDULES (please review the entire permit for reporting, monitoring, and other on -going activities]
1. Upon completion of construction and prior to operation of this permitted facility, a certification (see
attached form) 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 including the location of all monitoring wells as applicable. if this�roieet is to
be completed in phases and partially certified, you shall retain the responsibility to track further
construction al2proved under the same en -nit and shall provide a final certificate of completion once
the entire proiect has been complete . Mail the Certification to the Aquifer Protection Section,
Division of Water Quality, 1636 Mail Service Center, Raleigh, NC 27699-1636.
2. The Washington Regional Office, telephone number [phone] shall be notified at least 48
hours in advance (excluding weekends and holidays) of operation of the installed facilities so that an
in -place inspection can be made. Such notification to the Aquifer Protection Section 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.
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 extend the permit for such period of
time and under such conditions and limitations as it may deem appropriate. Please note that Rule
15A NCAC 02T .0105(d) requires an updated site map to be submitted with the permit renewal
application.
4. The subject wastewater treatment and disposal facilities shall be connected to an operational publicly
owned wastewater collection system within 180 days of its availability to the subject facilities, if the
subject wastewater treatment or disposal facilities are in noncompliance with the terms and conditions
of this non -discharge permit or the governing statutes or regulations. Prior to the initiation of these
connection activities, appropriate approval must be received from this Division.
II. PERFORMANCE STANDARDS
1. The high -rate infiltration facilities shall be effectively maintained and operated at all times so that
there is no discharge to the surface waters, nor any contravention of groundwater or surface water
standards. 1n the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions or failure of the high -rate infiltration area to adequately assimilate the
wastewater, the Permittee shall take immediate corrective actions including those actions that may be
required by the Division, such as the construction of additional or replacement wastewater treatment
and disposal facilities.
2. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to ground
or surface waters resulting from the operation of this facility.
All wells that are constructed for purposes of groundwater monitoring shall be constructed in
accordance with 15A NCAC 02C .0108 (Standards of Construction for Wells Other than Water
Supply) and any other state and local laws and regulations pertaining to well construction.
4. Effluent limitations shall not exceed those specified in Attachment A.
5. Application rate(s), whether hydraulic, nutrient, or other pollutant shall not exceed those specified in
Attachment B .
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6. The compliance boundary for the disposal system is specified by rules in 15A NCAC 02L,
Groundwater Classifications and Standards. This disposal system was individually permitted on or
after December 30, 1983; therefore, the compliance boundary is established at either 250 feet from
the waste disposal area, or 50 feet within the property boundary, whichever is closest to the waste
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.
The Permittee shall apply for a permit modification prior to any sale or transfer of property that
affects a compliance boundary to establish a new compliance boundary.
In accordance with 15A NCAC 02L .0107(d), no wells, other than monitoring wells, shall be`
constructed within the compliance boundary except as provided by 15A NCAC 02L .0107(g).
9. 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 standards at the review
boundary shall require action in accordance with 15A NCAC 02L .0106.
10. The facilities permitted herein must be constructed according to the following setbacks:
a. The setbacks for high -rate infiltration sites shall be as follows (all distances in feet):
i. Any habitable residence or place of public assembly owned by the
10
pennittee:
ii. Any private or public water supply source:
100
iii. Surface waters:
200
iv. Any well with exception of monitoring wells:
100
v. Any property line:
50
vi. Public right of way
50
vii. Impounded public water supplies:
500
b. The setbacks for treatment and storage units shall be as follows (all distances in feet):
i. Any well with exception of monitoring wells:
ii. Any property line:
100
50
11. A usable green area shall be maintained for wastewater disposal. The green area shall have the
capability of accommodating the average daily flow of the facility being served without exceeding the
loading rates of the green area. A "green area", as defined in 15A NCAC 02H .0404 (g)(7), 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.
III. OPERATION AND MAINTENANCE REQUIREMENTS
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 .0707 including operational functions, maintenance
schedules, safety measures, and a spill response plan.
2. Upon classification of the wastewater treatment and high -rate infiltration 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 08G .0200. The
ORC shall visit the facilities in accordance with 15A NCAC 08G .0200 or as specified in this permit
and shall comply with all other conditions specified in these rules.
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3. All -,xaste application equipment must be tested and calibrated at least once per year. Records of the
calibration must be maintained for five years.
4. No type of wastewater other than that from PCS Phosphate Aurora Division shall be disposed onto
the high -rate infiltration area.
5. An automatically activated standby power source shall be on site and operational at all times capable
of powering all essential treatment units. If a generator is employed as an alternate power supply, it
shall be tested weekly by interrupting the primary power source.
6. No traffic or equipment shall be allowed on the disposal area except while installation occurs or while
normal maintenance is being performed.
7. Public access to the land application sites shall be controlled.
8. The residuals generated from these treatment facilities must be disposed / utilized in accordance with
15A NCAC 02T A 100. The Permittee shall maintain a residual management plan pursuant to 15A
NCAC 02T .0708.
9. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
10. The spray beds shall be raked twice weekly during the months of April through October and once a
week during the months of November through March.
11. The screenings removed from the wastewater treatment plant shall be properly disposed of in a
sanitary landfill or by other means that have been approved by this Division.
12. Vegetative growth must be kept out of the spray bed areas at all times. All vegetation must be
removed manually so that minimal disturbance will occur to the disposal area.
13. The application of chemicals to the distribution field(s) is expressly prohibited.
IV. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division to ensure surface and ground water protection will be established and an
acceptable sampling reporting schedule shall be followed.
2. All laboratory analyses for effluent, ground waters, or surface waters shall be made by a laboratory
certified by the Division for the required parameter(s) under 1 SA NCAC 02H .0800.
3. Flow through the treatment facility shall be continuously monitored and daily flow values shall be
reported on Form NDMR.
The Permittee shall install and maintain an appropriate flow measurement device consistent with
approved engineering and scientific practices to ensure the accuracy and reliability of flow
measurement. Flow measurement devices selected shall be capable of measuring flows with a
maximum deviation of less than 10 percent from true flow, accurately calibrated at a minimum of
once per year, and maintained to ensure that the accuracy of the measurements is consistent with the
accepted capability of that type of device. The Permittee shall keep records of flow measurement
device calibration on file for a period of at least three years. At a minimum, data to be included in
this documentation shall be:
a. Date of flow measurement device calibration,
b. Name of person performing calibration, and
c. Percent from true flow.
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4. The effluent from the subject facilities shall be monitored by the Permittee at the frequency(ies) and
location(s) for the parameter(s) specified in Attachment A.
5. The Permittee tracking the amount of wastewater disposed shall maintain adequate records. These
records shall include, but are not necessarily limited to, the following information:
a, Date of high -rate infiitration,
b. Volume of wastewater infiltrated,
c. Field infiltrated,
d. Length of time field is infiltrated,
e. Continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each field, and
f. Weather conditions.
6. A record shall be maintained of all residuals removed from this facility. This record shall include the
name of the hauler, permit authorizing the disposal or a letter from a municipality agreeing to accept
the residuals, date the residuals were hauled, and volume of residuals removed.
T A maintenance log shall be maintained at this facility including but not limited to the following items:
a. Visual observations of the plant and plant site.
b. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm testing,
diffuser inspections and cleanings, etc.).
c. Date of calibration of flow measurement device.
d. Date and results of power interruption testing on alternate power supply.
8. Monitor wells shall be sampled at the frequencies and for the parameters specified in Attachment C.
All mapping, well construction forms. well abandonment forms, and monitoring data shall refer to the
permit number and the well nomenclature as provided in Attachment C and Figure 1.
9. Two copies of the results of the sampling and analysis must be received on Form GW-59
(Groundwater Quality Monitoring: Compliance Report Form), along with attached copies of
laboratory analyses, by the Division of Water Quality, Information Processing Unit, 1617 Mail
Service Center, Raleigh, North Carolina 27699-1617 on or before the last working day of the month
following the sampling month. Form GW-59 shall include the number of this permit and the
appropriate well identification number. One Form GW-59a certification form shall be provided for
each set of sampling results submitted.
10. Three copies of all monitoring data [as specified in Conditions IV.3. and IVA] on Form NDMR for
each point prior to irrigation (PPI) and three copies of all operation and disposal records [as specified
in Conditions IV.S] on Forth NDAR-1 for every infiltration area 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
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11. 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 wastewater treatment facility which results in the treatment of significant
arnounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the
contents of a sludge digester; the known passage of a slug of hazardous substance through the
facility; or any other unusual circumstances including ponding in the high -rate infiltration area or
runoff from the high -rate infiltration areas.
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 disposal system resulting in a by-pass directly to receiving waters.
d. Any time that self -monitoring information indicates that the facility has gone out of compliance
with its permit limitations including, but not limited to, freeboard measurements, effluent
limitations, exceedances of groundwater standards, or overloading of any infiltration area.
For any emergency that requires immediate reporting (e.g., discharges to surface waters, imminent
failure of a storage structure, etc.) outside normal business hours must be reported to the Division's
Emergency Response personnel at telephone number [phone], [phone], or (919) 733-
3300. 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.
V. INSPECTIONS
1. Adequate inspection and maintenance shall be provided by the Permittee to ensure proper operation
of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal 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 Pennittee. This log of inspections shall
be maintained by the Permittee for a period of five years from the date of the inspection and shall be
made available upon request to the Division or other permitting authority.
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 leachate.
VI. GENERAL CONDITIONS
1. 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.
2. This permit shall become voidable unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other supporting data.
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3. This permit is effective only with respect to the nature and volume of wastes described in the
application and other supporting data. No variances to applicable rules governing the construction
and / or operation of the permitted facilities are granted unless specifically requested and granted in
this permit.
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 government agencies (local, state,
and federal) that have jurisdiction. 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, and any requirements pertaining to
wetlands under 15A NCAC 02B .0200 and 02H .0500.
5. 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 on official Division forms,
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. The
Permittee of record shall remain fully responsible for compliance until a permit is issued to the new
owner.
6. The Pern ittee shall retain a set of 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.
The Permittee must pay the annual fee within 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 pursuant to
15A NCAC 02T .0105(e).
Permit issued this the 29 h day of April 2008
NORTH C OLINA MENTAL MANAGEMENT COMMISSION
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0000889
WQ0000889 Version 3.0 Shell Version 080124 Page 7 of 9

Permit No, WQ0000889
April 29, 2008
ENGINEER'S CERTIFICATION
Partial Final
t, , 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 Counts -
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 this permit, the approved plans and specifications, and other supporting
materials.
Signature
Date
Registration No.
WQ0000889 Version 3.0 Shell Version 0 80 124 Page 8 of 9

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WQ0000889 Version 3.0 ShelI Version 080124 Page 9 of 9

ATTACHMENT A - LIMITATIONS AND MONITORING REQUIREMENTS
PPI 001 -- WVVTF Influent
Permit Number: WQ0000889 Version: 3.0
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average
Weekly Average
Daily Maximum
Measurement
Sample
Frequency
Type
Flow, in conduit or thru treatment plant - 50050
30,000
gpd
Continuous
Recorder
PPI 002 — WWTF Effluent
EFFLUENT CHARACTERISTICS
EFFLUENT LIMITS
MONITORING REQUIREMENTS
Parameter Description - PCS Code
Monthly Average'
Weekly Average
Daily Maximum`
Measurement
Frequency
Sample
Type
Nitrogen, Nitrate Total (as N) - 00620
Monthly
Composite
Chloride (as Cl) - 00940
3 X year°
Composite
BOD, 5-Day (20 Deg. C) - 00310
10
mg/1
15.
mg/l
Monthly
Composite
Solids, Total Suspended - 00530
5
mg/1
10.
mg/1
Monthly
Composite
Solids, Total Dissolved - 70295
3 X years
Composite
pH - 00400
6.0 -- 9.0'
su
9.0
su
5 X week
Grab
Nitrogen, Ammonia Total (as N) - 00610
4
mg/1
6.
mg/l
Monthly
Composite
Coliform, Fecal MF, M-FC Broth, 44.5C - 31616
2006
#/100nil
Monthly
Grab
Chlorine, Total Residual - 50060
a
Grab
Carbon, Tot Organic (TOC) - 00680
3 X year'
Grab
'Monthly averages for all but fecal coliform shall be the arithmetic mean of all samples collected during the reporting period.
b Monthly average for fecal coliform shall be the geometric mean of all samples collected during the reporting period.
`Daily maximum shall be the maximum value of all samples collected during the reporting period.
d 3 X year sampling shall be conducted during March, July and November.
Residual Chlorine shall be sampled daily when the chlorination system is in use.
r The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
WQ0000889 Version 3.0 Attachment A Page 1 of 2

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WQ00008, Jersion 3.0 Attachment A e 2 of

ATTACHMENT B - APPROVED LAND APPLICATION SITES AND LIMITATIONS
PERMITTEE — FACILITY
Permit Number: WQ0000889 Version: 3.0
INFILTRATION AREA INFORMATION
APPLICATION LIMITATIONS
Field/
Owner
County
Latitude
Longitude
Net
Dominant
Parameter
Rate
Yearly
Units
Basin
Acreage
Soil Series
Max
01
PCS Phosphate Company, Inc.
Beaufort
35023'18"
76048"05"
0.15
01284 - Application Surface
inches/day
Irrigation$
02
PCS Phosphate Company, Inc.
Beaufort
35°23'18"
76°48'05"
0.15
01284 - Application Surface
8
inches/day
Irrigation
03
PCS Phosphate Company, Inc.
Beaufort
35°23'18"
76'48'05"
0.15
01284 - Application Surface
8
inches/day
Irrigation
Total
I
I
1 1
0.45
WQ0000889 Version 3.0 Attachment B Page 1 of 2

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WQ00008, Version 3.0 Attachment B age 2 of

ATTACHMENT C — GROUNDWATER MONITORING AND LIMITATIONS
Monitoring wells: MW-1, MW-2, NM-3, and Mitt/-4
Permit Number: WQ0000889 Version: 3.0
GROUNDWATER CHARACTERISTICS
GROUNDWATER STANDARDS
MONITORING REQUIREMENTS
Parameter Description - Parameter Code
Daily Maximum
Frequency Measurement
Sample Type
Footnotes
Water level, distance from measuring point - 82546
3 X year
Calculated
1, 2, 3, and 7
pH - 00400
8.50
su
3 X year
Grab
1, 2, 3, and 7
CoIiform, Fecal MF, M-FC Broth444.5C - 31616
3 X year
Grab
I, 3, and 7
Solids, Total Dissolved- 180 Deg.0 - 70300
500.00
mg/l
3 X year
Grab
I, 3, and 7
Carbon, Tot Organic (TOC) - 00680
3 X year
Grab
1, 3, 6 and 7
Chloride (as Cl) - 00940
250.00
rng/l
3 X year
Grab
1, 3, and 7
Nitrogen, Ammonia Total (as N) - 00610
3 X year
Grab
1, 3, and 7
Nitrogen, Nitrate Total (as N) - 00620
10.00 .
moll
3 X year
Grab
1, 3, and 7
Volatile Compounds, (GC/MS) - 78732
Annual
Grab
1, 3.4, 5, and 7
I . 3 X year monitoring shall be conducted in March, July & November; Annual monitoring shall be conducted everyNovember.
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 pH 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 measuring 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 µg/L or less
b. Standard Method 621 OD, PQL at 0.5 µg/L or less
c. EPA Method 8021, Low Concentration, PQL at 0.5 µg/L or less
d. EPA Method 8260, Low Concentration, PQL at 0.5 µg/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 run any method used.
b. The method used must, at a minimum, include all the constituents listed in Table VIII of Standard Method 6230D.
c. The method used must provide a PQL of 0.5 µg/L or less that must be supported by laboratory proficiency studies as required by the DWQ Laboratory Certification Unit. An3 constituentN
detected above the MDL.but below the PQL of 0.5 µg/L must be qualified (estimated) and reported.
5. If any volatile organic compounds (VOC) are detected as a result of monitoring as provided in Attachment C, then the Washington Regional Office Aquifer Protection Supervisor. telephone
number [phone] must be contacted immediately for further instructions regarding any additional follow-up analyses required.
6. If TOC 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 TOC concentration. If the TOG concentration as measured in the background monitor well exceeds 10 mg/l, this concentration will be taken 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_
WQ0000889 Version 3.0 Attaclunent C Page 1 of

7. Monitoring wells shall be reported consistent with the nomenclature and location information provided in Figure 1 and this attachment_
WQ00005. Iersion 3.0 Attachment C age 2 of 2

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