WQ0003626_Final Permit_19941117

estate of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. A. F. George, VP Manufacturing,
Campbell Soup Company - Maxton Plant
Route 2, Box 98
Maxton, North Carolina 28364
Dear Mr. George:
A&4
IDEHNFi
November 17, 1994
Subject: Permit No. WQ0003626
Campbell Soup Company
Maxton Plant
Wastewater Spray Irrigation
Treatment and Disposal Facilities
Robeson County
In accordance with your application received June 15, 1994, we are forwarding herewith Permit
No. WQ0003626 dated November 17, 1994, to Campbell Soup Company for the continued operation of
the subject wastewater treatment and spray irrigation facilities. This permit is for the renewal of the subject
wastewater treatment and spray irrigation system and the addition of a lime slurry system for pH and
Bacteria control. Please note the new monitoring and reporting requirements contained in this permit.
This permit shall be effective from the date of issuance until October 31, 1999, 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. Issuance of this permit hereby
voids Permit No. WQ0003626 issued February 12, 1994.
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, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Mr. John Seymour at
[phone].
Sincerely,
A. PrestaHoward, Jr., P.E.
cc: Robeson County Health Department
Fayetteville Regional Office, Water Quality
Fayetteville Regional Office, Groundwater
Groundwater Section, Jack Floyd
Training and Certification Unit
Facilities Assessment Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

�`4

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SPRAY 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
Campbell Soup Company
Robeson County
FOR THE
construction and operation of a lime slurry system for pH and Bacteria control for the subject wastewater
treatment facility; and the continued operation of a 4.0 MGD spray irrigation treatment and disposal facility
consisting of a parshall flume with flow recorder/totalizer, a mechanical bar screen, six (6) 800 GPM
influent pumps, one four foot 1,064 GPM rotary screen unit, three (3) six foot 1,700 GPM rotary screen
units, a 217,000 gallon capacity dissolved air flotation unit with a 1,471 GPM recycle pump, an air
saturation tank with a 30 SCFM compressor, a 200 GPM grit pump, a 30 GPM scum/grease pneumatic
ejector, a 200 GPM sludge cyclone and 50 CFD classifier, a 23,000 gallon capacity clearwell with six (6)
800 GPM pumps, a spray irrigation pump station with six (6) 800 GPM pumps and high water alarm, six
(6) programmable controller spray irrigation center pivot systems and one (1) solid set irrigation system, a
approximately 334 acres of irrigation fields, emergency standby 8.6 acre land application row and furrow
system for use during power outages only, and all associated piping, valves, controls, monitoring and
sampling equipment and appurtenances to serve the Campbell Soup Company - Maxton Plant with no
discharge of wastes to the surface waters, pursuant tb the application received June 15, 1994, and in
conformity with the project plan, specifications, and other supporting data subsequently filed and
approved by the Department of Environment, Health and Natural Resources and considered a part of this
permit.
This permit shall be effective from the date of issuance until October 31, 1999, and shall be subject
to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the lime slurry
system has been installed in accordance with this permit, the approved plans and
specifications, and other supporting materials. Mail the Certification to the Water Quality
Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
2. The Fayetteville Regional Office, telephone number 910/ 486-1541 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 S:00 n�m_ . on Monday through Friday,
exc u ing State Holidays.

3 . The spray irrigation facilities shall be effectively maintained and operated at all times so that
there is no discharge to the surface waters, nor any contamination of ground waters which
will render them unsatisfactory for normal use. In the event that the facilities fail to perform
satisfactorily, including the creation of nuisance conditions or failure of the irrigation area
to adequately assimilate the wastewater, the Permittee shall take immediate corrective
actions including those actions that may be required by the Division of Environmental
Management, such as the construction of additional or replacement wastewater treatment
and disposal facilities.
4. 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.
5. The residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
6. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
7. The following buffers shall be maintained:
a) 400 feet between wetted area and any residence or places of public assembly under
separate ownership,
b) 150 feet between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 100 feet between wetted area and drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between wastewater treatment units and wells, and
g) 50 feet between wastewater treatment units and property lanes.
Some of the buffers specified above may not have been included in previous permits for
this waste treatment and disposal system. These buffers are not intended to prohibit or
prevent modifications, which are required by the Division, to improve performance of the
existing treatment facility. These buffers do, however, apply to modifications of the
treatment and disposal facilities which are for the purpose of increasing the flow that is
tributary to the facility. These buffers do apply to any expansion or modification of the
spray irrigation areas and apply in instances in which the sale of property would cause any
of the buffers now complied with, for the treatment and disposal facilities, to be violated.
The applicant is advised that any modifications to the existing facilities will require a permit
modification.
II. QPERATION_AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, 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 Certification Commission, The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
3. A suitable vegetative cover shall be maintained over the spray fields and any appropriate
treatment facilities.
2

4. Irrigation shall not be performed during inclement weather or when the ground is in a
condition that will cause runoff.
5. Adequate measures shall be taken to prevent wastewater runoff from the spray field.
6. 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.
7. The application rate shall not exceed 156 inches per year at an instantaneous application rate
not to allow any runoff, and shall not exceed 300 lbs PAN/ acre/ year.
8. No type of wastewater other than that from Campbell Soup Company's Maxton Plant shall
be sprayed onto the irrigation area.
9. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
10. Public access to the land application sites shall be controlled during active site use. Such
controls may include the posting of signs showing the activities being conducted at each
site.
MONITORING AND REPORTING REQUIREMENTS
Any monitoring (including groundwater, surface water, soil or plant tissue analyses)
deemed necessary by the Division of Environmental Management to insure surface and
ground water protection will be established and an acceptable sampling reporting schedule
shall be followed.
2. Adequate records shall be maintained by the Permittee tracking the amount of wastewater
disposed. These records shall include, but are not necessarily limited to, the following
information:
a) date of irrigation,
b) volume of wastewater irrigated,
c) field irrigated,
d) length of time field is irrigated,
e) continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for each
field,
f) weather conditions, and
g) maintenance of cover crops.
3. The effluent from the subject facilities shall be monitored by the Permittee at the point prior
to irrigation every month for the following parameters:
BOD5
Fecal Coliform
TKN
NO2
PAN by Calculation
Lead
Nickel
Cadmium
Phosphorous
Calcium
Flow
TSS
pH
Ammonia Nitrate (NH3 as N)
NO3
% Solids
Copper
Zinc
Sodium—�—--
Magnesium
Sodium Adsorption Ratio by Calculation
3

4. Three (3) copies of all operation and disposal records (as specified in condition III 2) on
Form NDAR-1 shall be submitted on or before the last day of the following month. Three
(3) copies of all effluent monitoring data (as specified in condition III 3) on Form NDMR-1
shall be submitted on or before the last day of the following month. All information shall be
submitted to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
5. The flow measuring device for influent and effluent wastewater for this facility shall be
calibrated annually. Verification of the calibration shall be supplied with the annual report.
6. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving residuals in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years.
The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the
following parameters:
Cadmium Manganese Potassium
Calcium Percent Humic Matter Sodium
Copper pH Zinc
Magnesium Phosphorus Nickel
Lead Dioxin (2, 3, 7, 8 TCDD)
SAR (by calculation)
% Base Saturation (by calculation)
Cation Exchange Capacity
A report from a recognized "soil scientist" shall accompany the above required analysis to
determine site soils efficiency.
7. Three copies of all required monitoring and reporting requirements as specified in
conditions III 5 and III 6 shall be submitted annually on or before March 1 of the following
year to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
5. Noncompliance Notification:
The Permittee shall report by telephone to the Fayetteville Regional Office, telephone
number 910/ 486-1541 as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence at the wastewater treatment facility which results in the treatment of
significant amounts of wastes which are abnormal in quantity or characteristic, such as
the dumping of the contents of a sludge digester, the known passage of a slug of
hazardous substance through the facility, or any other unusual circumstances;
4

b. Any process unit failure, due to known or unknown reasons, that renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
directly to receiving waters without treatment of all or any portion of the influent to
such station or facility; or
d. Any time that self -monitoring information indicates that the facility has gone out of
compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
1. Monitor wells (W-1, 2, 3, 4, 5, 6, 7, 8, 9, and 10) shall continue to be sampled every
March, July and November for the following parameters:
NO3 NO2
Total Ammonia TSS
TDS TOC
pH Water Level
Chlorides Total Coliforms
Total Phosphorus Sulfates
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.
If TOC concentrations greater than 10 mgll 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 TOC 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.
The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29535 Raleigh, N.C. 27626-0535 on Form GW-59
[Compliance Monitoring Report Form] every April, August, and November.
2. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
3. 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)(1).
5

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.
4. No land application of waste activities shall be undertaken when the seasonal high water
table is less than three (3) feet below land surface.
V. INSPECIIONS
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the 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 Permittee. This log of inspections shall be maintained by the Permittee for a period
of three years from the date of the inspection and shall be made available upon request to
the Division of Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the disposal 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
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.
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 of Environmental Management accompanied by an application
fee, documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may
not be approved.
4. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
5. 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.
6. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the project.
0

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 2H .0205
(c)(4).
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 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.
9. Issuance of this permit hereby voids Permit No. WQ0003626 issued February 12, 1992.
Permit issued this the 17th day of November, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
6CU-L'-- LOL /��
A. Preston Ijoward, Jr., P.F , Director 6 'I
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0003626
7

Permit No. WQ0003626
November 17, 1994
ENGINEER'S CERTIFICATLQN
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project, , for the
Project Name Location
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.

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RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
Owner or Contact
Mailing Address:
County:
Telephone:
Present Classification:
New Facility
Existing Facility
NPDES Per. No. NC00 Nondisc. Per. No.WQ
Health Dept.Per No.
Rated by:
Telephone:
Date:
Reviewed by:
Health Dept.
Telephone:
Regional Office
Telephone:
Central Office
Telephone:
Grade:
Telephone:
Check Classification(s): Subsurface
Spray Irrigation
Land Application
Wastewater Classification: (Circle One) 1
Il 111 1V
Total Points:
► it :►1 "r,�. :\! : : 1 ! �►Ilan +ate. ;rug+►i ►!i �*:: �► ►11�.:: ::1 � \! � 1: a��! Lr\ !�: ►�
��J� ! : ! � I is : i �\! aS'w Irl i tia�� � � 3.. �\ � � t;al� �\:a li,. *� '! ►. �► s Jh :,�a
SUBSURFACE CLASSIFICATION
(check all units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4�_ ____ sand filters
5_ grease traptinterceptor
6. oillwater separators
7. gravity subsurface treatment and disposal:
B. pressure subsurface treatment and disposal:
SPRAY IRR)GATION CLASSIFICATION
(check all its that apply)
1.prelimina treatment de preliminary
( finifion no. 32 }
2.
lagoons
3,
septic tanks
4, Pump tanks
5.mps
6.
sand filters
7.
grease trap/interceptor
8.
oil/water separators
9.,,_,, ^,�,
d is i of ect ion
10. emical addition for nutrientlalgae control
c
11.
spray irrigation of wastewater
In addition to the above classifications, pretreatment pf wastewater In excess of these components shrill
be rated using the point rating system and will require an operator with an appropriate dual certlficatlon.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
------------------------------------------------------
WASTEWATER TREATMENT FACILITY CLASSI FICATION
The following systems shall be assigned a Class I classification, unless the flow is of a significant quantity or the technology is unusually
complex, to require consideration by the Commission on a case -by -case basis: (Check if Appropriate)
f. Oillwater Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems;
5. Groundwater Remediation Systems consisting only of oilfwater separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo ..J;
6. Aquacufture operations with discharge to surface waters;
7_ Water Plant sludge handling and back -wash water treatment;
9_ Seafood processing consisting of screening and disposal.
9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1,
1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such
systems will be notified of the classification or reclassftation by the Commission, in writing.

The following scale is used for rating wastewater treatment facilities: (circle appropriate points)
ITEM POINTS
(1 } Industrial Pretreatment Units or Industrial Pretreatment Program (see deflnhlon No. 33)...................................................4
(2) DESIGN
FLOW OF PLANT IN gpd [not applicable to non -contaminated cooling waters, sludge handling facilities for
water purification plants, totally closed cycle systems(see definition No. 11), and facilities consisting only of item
(4)(d)
or Items (4)(d) and (11)(d)l
0 - 20,000................................................................................................................................................1
20,001 - 50,000......................................................................................................................................2
50,001 - 100.000.....................................................................................................................................3
100,001 - 250,000...................................................................................................................................4
250,001 - 500,000...................................................................................................................................5
500.001 - 1,000,000................................................................................................................................a
1,000,001 - 2,000,000...........................................................................................................................10
2.000,001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a maximum of .. .............30
Design Flow (gpd)
(3) PRELIMINARY UNITSIPROCESSES (see definition No.32)
(a)
Bar Screens..............................................................................................................................................1
(b)
or
Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2
(c)
Grit Removal ..............................................................................................................................................1
or
(d)
Mechanical or Aerated Grit Removal.............................................................................................................2
(e)
Flow Measuring Device................................................................................................................................1
or
(i)
Instrumented Flow Measurement................................................................................................................2
(g)
Preaeratlon...............................................................................................................................................2
(h)
Influent Flow Equalization..........................................................................................................................2
(i)
Grease or OI Separators - Gravity.................................................................................................................2
Mechanical................................................................................................................................................3
Dissolved Air Flotation........................................................................................................._......................8
(l)
Prechlorinatlon..........................................................................................................................................5
(4) PRIMARYTREATMENTUNIT&PROCESSES
(a)
Septic Tank (see definition No. 43)............................................................................................................2
(b)
Imhoff Tank...............................................................................................................................................5
(c)
Primary Clarlfiers......................................_...................................................................................................5
(d)
Settling Ponds or Settling Tanks for Inorganic Nontoxic Materials (sludge handling facilities for water
purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgold mining)........................................................................................................................................2
(5) SECON[AARYTREATME NT UNITSIPROCESSF.S
(a)
Carbonaceous Stage
{i} Aeration -High Purity Oxygen System......................................................... _................... 0
Diffused Air System.......................................................................................................1 0
Mechanical Air System (fixed, floating or rotor) .................................... .................. .......... A
SeparateSludge Reaeratlon.............................................................................................3
Tricking Filter
HighRate.......................................................................................................................7
StandardRate...............................................................................................................5
PackedTower................................................................................................................4
(lit) Biological Aerated Filler or Aerated Biological Filter............................................................1 0
(IvJ Aerated Lagoons..........................................................................................................10
(v) Rotating Biological Contactors ......................................................................................10
(VI) Sand Filters -Intermittent biological..................................................... _............................
Recirculatingbiological.....................................................................................................3
(viI) Stabilization Lagoons.......................................................................I............................5
(vill) Clarifier...........................................................................................................................5
(fx) Single stage system for combined carbonaceous removal of HOD and nitrogenous removal by
nitrification (see definition No. 12)(Points for this Rem have to be in addition to hems
(5)(a)(1) through (5)(a)(viii),
utilizing the extended aeration process (see definition No.3a)...........................................2
utilizing other than the extended aeration process ....... .... _.................. ........................... a
(x) Nutrient additions to enhance HOD removal......................................................................5
(xi) Biological Culture ('Super Bugs')additlon........................................................................5
(U)
Nitrogenous Stage
(ly Aeration - High Purity Oxygen System ........... ................................. ..... ..................... 20
Diffused Air System.................................................................................................I.....10
Mechanical Air System (fixed, floating or rotor) ..... ..... _...._.,...............................................8
SeparateSludge Reaeration.............................................................................................3
(lE) Trickling F11ter--High Rate...................................................................................................7
Standard Rate...............................................................................................................4
.Packed Tower................................................................................................................5
{Ill) Biological Aerated Flier or Aerated Biological Filter ........ ............ ..... ..._... ......... . ... _......10
(Iv) Rotating Biological Contactors ......................................................................................10
(v) Sand F1Rer - frrtermitlent biological..................................................................................2
Recirculating biological....................................................................................................3
{vf) Clarifier..........................................................................................................................5
(B) TERTIARY OR ADVANCED TREATMENTUNJ`1 FK)CESSES
(a)
Activated Carbon Beds -
without carbon regeneration...................................................................................................5
withcarbon regeneration............................................................................................._.........15
(b)
Powdered or Granular Activated Carbon Feed -
without carbon regeneration..................................................................................................5
withcarbon regeneration .............................................. ................... ................................... 15
(c)
Air stripping ............. ................................................................................................................ 5
..... ..... ...........
(d)
Denftrtficatlon Process ............ ..... ""'... ........... -.... ................................ ........--*..............................-.....-..1 0
(6)
Electrodlalysfs............................................................................................................................................5
(f)
Foam Separation........................................................................................................................................5
(g)
Ion Exchange............................................................................................................................................5
(h)
Land Application of Treated Effluent (see definition No. 221D,) (not applicable for sand. gravel, stone
and other similar mining operations) by high rate Infiltration ................................ ................. ... ......... ......... 4
(1)
Microscreens..............................................................................................................................................5
(1)
Phosphorous Removal by Biological Processes (See definition No. 26)........................................................20
(k)
Polishing Ponds - without aeration ................ ........................................................ ....................................
wfthaeration ................................................................................................................5

-
(I)
Post Aeration - cascade..............................................................................................................................0
diffusedor mechanical........................................................................................................2
(m)
Reverse Osmosis.......................................................................................................5
( n )
Sand or Mixed -Media I' Mers - low rate..................................................................................................... ---.2
highrate.. ...................... _ ............................. ............. 5
(0)
Treatment processes for removal of metal or cyanlde...................................................................................1 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide .............................................. i s
(7)
SUJDGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic) ................................... ................................... ........ _.............. 10
Aerobic..................................................................................................................I...........................5
Unheated (anaerobic) .................... ... ............•...........................................................................................3
.
(b)
Sludge Stabilization (chemical or thermal)...................................................................................................4
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
VacuumAssisted......................................................... .............................................................................5
(d)
Sludge Eluldation.....................................................................................................................................5
(a)
Sludge Conditioner (chemical or thermal)....................................................................................................5
(1)
Sludge Thickener (gravity)......................................................................................................................... 5
(g)
Dissolved Air Flotation Unit [not applicable to a unit rated as(3)(i)).............................................................8
(h)
Sludge Gas Utilization (including gas storage).............................................................................................2
(1)
Sludge Holding Tank - Aerated ......................... ...... ................................................... ....................... ..........5
Non-ae rated ............................... .............................................. .................................... ........................... 2
(�}
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Finer, Centrifuge, or Fifter Press or other similar dewatering devices...................................................10
(8)
RESIDUALS UTILIZATIONVDISPOSAL (indudng incinerated ash)
(a)
Lagoons .............................. :.................................................................., ........2
........................................
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
orlandfill permit........................................................................................................................................2
(c)
Dedicated Landfill (burial) by the permittee of the wastewater treatment facility ............................................... 5
(9)
DGi�FEGTICN
(a)
Chlorination.............................................................................................................................................5
(b)
Dechlorination................. ...........................................................................................................5
(c)
Ozone.....................................................................................................................................................5
(d)
Ra&ation.................................................................................................................................................5
(1 0)
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) (not applicable to chemical additions rated as Item (3)0),
(5)(a)(xi).
(6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 6 points each:
List...........................................................
................. ................................. ...._................. 5
................................................................................................................................... 5
........................................................................I................. ........... I.............................. 5
................................................................................................................I.......5
(1 1)
MiSC81ANEC US UNITVPFiOCESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes from mining
operations containing nitrogen or phosphorus compounds in amounts significantly greater than is common
fordomestic wastewater............................................................................................................................4
(b)
Effluent Flow Equalization (not applicable to storage basins which are Inherent In land applicatlon systems).....2
(0)
Stage Discharge (not appficabie to storage basins inherent In land application systems) ....... ... ......................5
(d)
Pumps..........................................................................................................•--...--....--..............................3
(e)
Stand -By Power Supply.............................................................................................................................3
(f)
Thermal Pollution Control Device.................................................................................................................3
TOTALPOINTS..........................................................................
ClassI...........................................................................................................5-25 Points
ClassIl.........................................................................................................26-50 Points
classIII........................................................................................................51-65 Points
ClassN.......................................................................................................66-Up Points
-------------------------------------------------------------
Facilities having a rating of one through four points, inclusive, do not require a cerilled operator.
Facilities having an activated sludge process will be assigned a minimum classification of Class 11,
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class 11.
Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class 111.
—...-------------------------------------------.-------------
A004 DEFINITIONS
The following definitions shall apply throughout this Subchaptar.
(1) Activated Carbon Beds. A physfcallchemlcal method for reducing so€uble organic malarial lrom wastewater effluent; The column -type beds used in this
method will have a flow rate varying from two to eight gallons per minute per square foot and may be efther upffow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant site;
(2) Aerated Lagoons. A basin in which all scuds are malntalned In suspension and by which biological oxidation or organic matter is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about intimate contact between air or high purity oxygen In a liquid by spraying, agitation or diffusion;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detentlon time of 18 hours.
(4) Agriculturally managed site. Any site on which a crop Is produced, managed, and harvested (Crop Includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium ]on Is first convened to dlssolved ammonia (pH adjustment) with the ammonia then released to tits
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneratlon. The regeneraflon of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impurities;
(7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary' effluent limos;
(8) Centrifuge. A mechanical device In which centrifugal force is used to separate solids from liquids tx to separate liquids of different denscias;
(9) Chemical Additlon Systems- The addition of chemical(s) to wastewater 4 an application point for purposes of Improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to expenfinent with different chemicals and different application points to achieve a spactlic result will be considered one
system; the capability to add chemical(s) to dual units will be rated as one system; capability to add a chemical at a different application points for dMarent
purposes will result In the systems being rated as separate systems;
(10) Chemical Sludge Conditioning. The addition of a chemical compound such as time, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
Its application to a dewatering device;
(11) Closed Cycle Systems- Use of holding ponds or holding tanks for containment of wastewater containing Inorganic, non-toxlc materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous SOD and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit effluent limits on BCD
and ammonia nitrogen within the same biological reactor,
(13) Dechlorinallom The partial or complete reduction of residual chlorine In a Ilquid by any chemical or physical process;
(14) Denfiritication Process. The conversion of nitrate -nitrogen to nitrogen oas-

(15) Electrodlatysis. Process for removing Ionized salts from water through the use of Ion -selective Ion -exchange membranes;
(16) Finer Press, A process operated mechanically for partially dewatering sludge;
(17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of detergent materials through
the Introduction of air in the form of line bubbles; also called foam fractionation;
(18) Grft Removal. The process of removing grit and other heavy mineral matter from wastewater;
(19) Imhoff Tank. A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(20) Instrumented Flaw Measurement. A device which Indicates and records rate of flow;
(21) Ion Exchange. A chemical process in which ions from two different molecules are exchanged;
(22) Land application:
(a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection
p.e., chisel plow); (not applicable for types of sludge described In (11) of this Rule];
(b) Treated Effluert. The process of spraying treated wastewater onto a lard area or other methods of application of wastewater onto a Sand area as a
means of final disposal or treatment;
(23) Microscreen. A low spoed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing method for removing
suspended solids from o luent;
(24) Nitrtfiralion Process. The biochemical conversion of unoxldized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate);
(25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the spaclfic purpose of converting ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxldanoxic process designed to enhance luxury uptake of phosphorus
by the microorganisms;
(27) Pollshing Pond. A Wding pond following secondary treatment with sufficient detention time to allow settling of finely suspended solids;
(28) Post Aeratlort. Aeration following conventional Lecandary treatment units to increase effluent D.O. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen Is added to the effluent by a nonmechaniral, gravity means of flouring down a
series of steps or weirs; The flow occurring across the steps or weirs moves In a fairly thin layer and the operation of the cascade requires no operator
adjustment; thus, zero points are assigned even though this is an essential step 10 meeting the limits of the discharge permit;
(30) Powdered to Granular Activaled Carbon Feed. A biophysical carbon process that utilizes biological activity and organic absorption by using powdered or
granular activated carbon; Virgin or regenerated carbon Is feed controlled Into the system;
(31) PrsaeratiorL A tank constructed to provide aeration prior to primary treatment;
(32) Preliminary Units. Unh operations In the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operations;
(33) Industrial Pretreatment.
(a) Pro -treatment Unit, Industrial, The conditioning of a waste at Its source before discharge, to remove or to neutralize substances In]urfous to sewers and
treatment processes or to effect a partial reduction In load on the treatment process which m operated by the same governing body as the wastewater
treatment plant being rated;
b) Pro -treatment Program, Industrial - must be a Slate or EPA required program to receive points on the rating sheet;
(34) Primary Clarifiers. The first settling tanks through which wastewater is passed In a treatment works for the purpose of removing settleable and suspended
solids and BCD which Is associated with the solids;
(35) Pumps. Ail influent, effluent and in -plant pumps;
(36) RadiatlOR Disinfection or sterilization process utilizing devices emitting uftravidiet or gamma rays;
(37) Reverse Osmosis. A treatment process In which a heavy contaminated liquid Is pressurized through a membrane forming nearly pure liquid free from
suspended solids;
(38) Rotating Biological Contractors. A fixed bloiogical growth process In which wastewater flows through tanks in which a series of partially submerged circular
Surfaces are rotated;
(39) Sand Filters:
(a) Intermittent Biological. Fhratlon of effluent following septic larks, lagoons, or some other treatment process In which further blodecomposhion is
expected to produce desired effluents; Hydraulic loading rates on those filters aria computed In gpd/ac and have a resulting low gpm/sf (less than one):
b) Recirculating biological - the same type of Land filter as defined in Subparagraph (39) (a) of this Rule with the added capability to recycle effluent back
through the sand lifter,
(4-0) Sand or Mixed -Media Filters. A polishing process by which effluent limits are achieved through a further reduction of suspended solids;
(a) low rate -- gravity, hrydraullcally loaded filter with loading rates In the one to three gpmisf range;
(b) high rate — a pressure, hydraufically loaded finer wish loafing rates in the five gpmrsf range; At any rate, the loading rate will exceed three gpnVsf;
(41) Secondary Clariflers. A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with the
biological treatment units;
(42) Separate Sludge Reaeratlom Apart of the contact stabilization process where the activated sludge Is transferred to a tank and aerated before returning it
to the contact basin;
(43) Septic Tank A single -story settling lank In which settled sludge Is In contact with the wastewater flawing through the tank; Shall not be applicable for
septic tank systems serving single family residences having capacity of 2.000 gallons or less which discharge to a niirificalion field;
(44) Sludge Digestion. The process by which organic or volatile matter and sludge is gasilied, liquefied, mineralized or converted into more stable organic matter
through the activity of living organisms, which Includes aerated holding tanks;
(45) Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge Is dried by drainage artd
evaporation;
(46) Sludge Elul tlon. A process of sludge conditioning in which certain conslltuerts are removed by successive washings with fresh water or plant effluent:
(47) Sludge Gas Ul lizatiorL The process of using sewage gas for the purpose of healing buildngs, driving engines, etc.;
(48) Sludge Holding Tank (Aerated and Nonaerated). A tank utlllzed for small wastewater treatment plants not containing a digester in which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (I.e. sludge drying beds); This may be done by adding a small amount or air simply to keep the
sludge fresh, but not necessarily an amount that would be required to achieve stabilization of organic matter. A nonaerated tank would simply be used to
decant sludge prior to dewatering and would not allow long periods (several days of detention) without resulting odor problems;
(49) Sludge Incinerators. A furnace des€gned to bum sludge and to remove all moisture and combustible materials and reduce the sludge to a sterile ash;
(50) Sludge Stabilization (Chemical or Therma)}. A process to make treated sludge less odorous and putresclble, and to reduce the pathogenic organism
content; This may be done by pH adjustment, chlorine dosing, or by heal treatment;
(51) Sludge Thickener. A type of sedimentatlon tank In which the sludge Is permfned to settle and thicken through agitation and gravity;
(52) Stabiilzation Lagoom A type of oxidation lagoon in which biological oxidatlon of organic matter is effected by natural transfer of oxygen to the water from
air (not a polishing pond);
(53) Stand -By Power Supply. On she or portable electrical generating equipment;
(54) Static Scroam A stationary screen designed to removo solids. Including non -biodegradable particulate (floalable solids, suspended solids and SOD
mductlon) from municipal and industrial wastewater treatment systems;
(55) Tertiary Treatment. A stage of treatment following secondary which is primarily for the purpose of effluent polishing; A settling Lagoon or sand or coal fitter
might be employed for this purpose;
(56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing In tubes to another fluid outside the tubes, or vice versa;
or other means of regulating liquid temperatures;
(57) Thermal Sludge Condltloner. A condflloning process by which heat is added for a protracted period of time to Improve the dewalerabilfty of sludge by the
solubilizing and hydraultzing of the smaller and more highly hydrated sludge particles;
(58) Toxic Materials. Those wastes or combinations d wastes, lncluding disease -causing agents which after discharge and upon exposure, ingestion, inhahatlon
or assimilation Into arty organism, either directly from the environment or indirectly by Ingestion through food chains, will cause death, disease, behavioral
abnormalities, cancer, genetic mutations, physiological malfunctions (Including malfunctions In reproduction) or physical deformalIons, In such organisms or their
offspring; Toxic materials Include, by way of Illustradlon and not limitation: lead, cadmium, chromium, mercury, vanadium, arsenc, zinc, ortho-nnro-cNorobenzene
(ONCB), polychlorfnated biphenyls (PCBs) and dlchlorodiphenyl tr[cNoroethane (DDT); and any other materials that have or may hereatter be determined to have
toxic properties;
(59) Trickling Ffter. A biological treatment unit consisting of a material such as broken stone or rock over which wastewater Is disinbuted; A high rate trickling
finer Is one which operated at between 10 and 30 mgd per acre. A low rate irlddrig fitter Is one which is designed to operate at one to four mgd per acre:
(60) Trickling Finer (Packed Tower). A plug flow type of operation in which wastewater flows down through successive layers of media or filtrate material; Organic
malerLal Is removed continually by the acute biological fixed growth In each successive layer. This method may produce 'secondary' quality effluent, or may be
adapted to produce a nitrified effluent;
(61) Vacuum Frier, Centrifuges, or Fifter Presses. Devices which are deslgngd to remove excess water from either digested or undigested sludge prior to disposal
or further treatment