WQ0001814_Final Permit_19990630

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens, Director
June 30, 1999
Mr. Bill Hoel, General Manager
International Paper
Post Office Box 369
Spring Hope, NC 27882
Dear Mr. Hoel:
LT?W'A
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0001814
International Paper
Masonite Division
Wastewater Spray Irrigation
Nash County
In accordance with your application received April 15, 1999, we are forwarding herewith Permit No.
WQ0001814, dated June 30, 1999, to International Paper for the continued operation of the subject wastewater
treatment and spray irrigation facilities.
This permit shall be effective from the date of issuance until May 31, 2004, shall void Permit No. WQ0001814
issued September 30, 1994, and shall be subject to the conditions and limitations as specified therein. Please
pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system
for collecting and maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within thirty (30) days following receipt of this 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
extension 364.
C
/Kerr T. Stevens
cc: Nash County HD
RRO, WQS
RRO, GWS
Bob Cheek, GWS, CO
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
at [phone]
PO Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]B3 Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled110% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT 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
International Paper
Masonite Division
Nash County
FOR THE
continued operation of a 5,000 GPD extended aeration type wastewater treatment plant with chlorination, for
treating domestic wastes which feeds into a 216,000 GPD industrial and domestic wastewater spray irrigation
treatment and disposal facility consisting of an influent pump station, a hydrosieve for solids removal,
chemical (lime) treatment tanks, a polymer feed system, a primary clarifier, dual 600,000 gallon aeration
basins with mechanical aeration, two (2) sludge holding ponds, flow measuring and recording equipment, a
long term (50 MG) holding pond and two (2) spray irrigation fields; one consisting of approximately 16 acres
and the other approximately 5 acres to serve Intemational Paper's Masonite Division (approximately 10,972
GPD spray irrigated), with no discharge of wastes to the surface waters, pursuant to the application received
April 15, 1999, 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 May 31, 2004, shall void Permit No.
WQ0001814 issued September 30, 1994, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
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 Water
Quality (Division), such as the construction of additional or replacement wastewater
treatment and disposal facilities.

2. The issuance of this permit shall not relieve the Permit -tee of the responsibility for damages to
surface or groundwaters resulting from the operation of this facility.
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 Division.
4. Diversion or bypassing of the untreated wastewater from the treatment facilities is prohibited.
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 lines.
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.
If, at any time, this facility closes with no prospect of becoming operational again, then the
Raleigh Regional Office, [phone], must be contacted for procedures to follow for closure
of the facility.
II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Water Pollution Control System Operators Certification
Commission (WPCSOCC), the Permittee shall employ a certified wastewater treatment plant
operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator
must hold a certificate of the type and grade at least equivalent to or greater than the classification
assigned to the wastewater treatment facilities by the WPCSOCC. The Permittee must also
employ a certified back-up operator of the appropriate type and grade to comply with the
conditions of 15A NCAC 8A .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class I1, III, and IV facility at least daily, excluding weekends and holidays,
and must properly manage and document daily operation and maintenance of the facility and must
comply with all other conditions of 15A NCAC 8A .0202
3. A suitable year round vegetative cover shall be maintained.
4. Irrigation shall not be performed during inclement weather or when the ground is in a condition
that will cause runoff.
Adequate measures shall be taken to prevent wastewater runoff from the spray field.
2

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 a cumulative loading of 41 inches over any twelve (12)
month period at an instantaneous application rate not to exceed 0.20 inches per hour.
8. No type of wastewater other than that from International Paper — Masonite Division 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.
11. Freeboard in the 50 MG holding pond shall not be less than two feet at any time.
12. The domestic waste effluent must be chlorinated before being added to the industrial wastewater.
III. MONITORING AND REPORTING REQUIREMENTS
Any monitoring (including groundwater, surface water, soil or plant tissue analyses) deemed
necessary by the Division 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 February, June and October for the following parameters:
BOD5
TSS
Fecal Coliform
pH
NH3 as N
Sodium
Magnesium
Calcium
Sodium Adsorption Ratio
by Calculation
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 March, July and November. All information shall be submitted to the
following address:
3

NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
Post Office Box 29535
Raleigh, North Carolina 27626-0535
5. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office, telephone number (919)
571-4700, 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.
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 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.
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 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.
GROUNDWATER REQUIREMENTS
Monitoring wells MW-I, MW-2, MW-3 and MW-4 shall be sampled initially after construction
and thereafter every February, June and October for the following parameters:
Water Level
Chlorides
Total Organic Carbon (TOC)
pH
Total Dissolved Solids (TDS)
Total Ammonia
Volatile Organic Compounds - In February only using one of the following:
(A) Standard Method 6230D, PQL at 0.5 ug/L or less
(B) Standard Method 621 OD, PQL at 0.5 ug/L, or less
(C) EPA Method 8021, Low Concentration, PQL at 0.5 ug/L or less
(D) EPA Method 8260, Low Concentration, PQL at 0.5 ug/L or less
(E) Another method with prior approval by the Groundwater Section Chief
Any method used must meet the following qualifications:
(1) A laboratory must be DWQ certified to run any method used.
(2) The method used must, at a minimum, include all the constituents listed in Table VIII of
Standard Method 6230D.
4

(3) The method used must provided a PQL at 0.5 ug/L or less which must be supported by
laboratory proficiency studies as required by the DWQ Laboratory Certification Unit.
Any constituents detected above the MDL but below the PQL at 0.5 ug/L must be
qualified (estimated) and reported.
If any volatile organic compounds are detected by the methods listed, then the Raleigh Regional
Office Groundwater Supervisor, telephone number (919) 57I-4700, must be contacted
immediately for further instructions regarding any additional follow-up analyses required. The
results of all initial and follow-up analyses must be submitted simultaneously.
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.
If TOC concentrations greater than 10 mg/I 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 must be received on Form GW-59 (Groundwater Quality
Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance
Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on or before the last working day of the month
following the sampling month.
2. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
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).
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.
V. INSPECTIONS
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 Ieast 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 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
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.
This permit is not transferable. In the event there is a desire for the facilities to change ownership,
or there is a name change of the Permittee, a formal permit request must be submitted to the
Division accompanied by an application fee, documentation from the parties involved, and other
supporting materials as may be appropriate. The approval of this request will be considered on its
merits and may or may not be approved.
4. 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.
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 Penn ittee
for the life of the project.
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).
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.
Permit issued this thg0th day of June 1999
NORTH CAYOLINA7ENJVIRQNWNTAL MANAGEMENT COMMISSION
�Z- V-ZZ-_
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQOOO1814
R

,il 1131 •BM
OA
246
Cem - u' as�`/' ; 35
_�� 0 1
Jl yj a ?I
29
a 1
•�'Ch hd _ - I I• Crossroads
I
o'
i Cem.. �a xvll
_i
i B
Cem 5pr•.�C ,/ �..
'Grave'
Cem
f )
��:'� �•' .' � Cem:: rr
Cem71
r Cem Traill
Park ..
4,11_ n • Aiomeye Ce15
ml
+
INE
p ------------
O --111 11 1 I�
°pi SEA_BA e- _ _ JO / Tes.' • .Cem
Cem.
i U Industrial) Waste..%Ce
idt zia�rT�.

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
Owner or Contact Person:
Mailing Address gZ
County: teiep one:'25-z — �S"9— 314-1
Present Classification: New Facility Existing Facilityy-" lG&eaV4 !
NPDES Per. No. NC00 Nondisc. Per. No.WQ,--/S/4- Health Dept.Per No.
Rated by: 'A.-t y zim"-S Telephone: - 7� Date:�'� '
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORCheck Ciassification(s): Subsurface _epray Irrigation Land C: Grade: Telephone:
Wastewater Classification: (Circle One) I III IV Total Points:-Z=7
i
r : :►1 PROCESSES AND RELATED QQUUKLEQUIPMENT u. K. ARE AN NTEGRAL PART OF INDUSTRIALPRODUCTION Wj FF•
CONSIDERED WASTE I. : lu =r1 aQ: THE EUBME OF CLASSIWADO,r Q 5FEM TAM 5nUIL5 QQU,51=KQ11yQE am, --AN
SUBSURFACE CLASSIFICATION
(check all units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
5. grease trapHnterceptor
6. oil/water separators
7. gravity subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
SPRAY IRRGATION CLASSIFICATION
(check all units that apply)
1. preliminary treatment (definition no. 32 )
2. ✓ lagoons
3. septic tanks
4pump tanks
5.y pumps
6. sand filters
7. grease trapAnterceptor
8, oil/water separators
9. disinfection
10, -chemical addition for nutrient/algae control
11. ✓ spray irrfgafion of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shnil
be rated using the point rating system and will require an operator with an appropriate dust certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land applical ion of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITY CLASSIFICATION
The following systems shall be assigned a Class 1 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)
1. Oil/water 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 oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo rJ;
6. Aquacuhure operations with discharge to surface waters;
7. —Water Plant sludge handling and back -wash water treatment:
8. Sealood 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 reclassification by the Commission, in writing.

The following auo|a is used for rating wastewater treatment facilities: (ohnka appropriate points)
ITEM POINTS
(`> Industrial Pretreatment Units or Industrial Pretreatment p del/:ion No. ox ----..^
(x) DESIGN
FLOW opPLANT xx gpd Inot appfical�le to non-contarrinated cooing watem, sludge handling facilities for
water purification plants, totally closed cycle -syslems(see definition No. 11). and facilities consisting only of ham
'
ov`ov, '*m.0oo.............................. —...................... ---................................................................... �-
so.0m1 ' 1un.0m................................................................................... .............................. ................ �
100/001 ' cso/mo........................... --............................................................... ......................... ....... 4
250,001 ' amu/00o...................... ............................................................................................................
mm/m/ ' ,.om0000................................................................................................................................ 8
1,000,00--._-10
2.D00u01 lot each zvo,000 gpmcapacity up to "m=*""mof ......... ....... n
Design
(») PRELIMINARY uwnmnRxCsouss(see u°m*ionwv.32)
(a) B�o^mwnu------------------------------_--'------------- ��
or _
(o)
Mo'man/ca)Screens, Static Screens or Comminuting Devices .......................................................... ............... 2
(o)
Grit u*mova/............................................................................. ............................................ .................. 1
or
(m
Mechanical mAerated Grit Removal ............................................. ................................................................ 2
(°)
Row Measuring ouvice............................... --.............. ................ ...................... ................ ...... ........... ,
or
/
Instrumented Flow Measurement ................................................................................................................ a
u)
pmu*ra000........................................................................................................................... .................... 2
(n)
Influent now
(/>
Grease or Oil Separators 'Gravity ...................... ......... ...... ....................................................................... 2
Mechanical—.----_... ......................................................................................................... --- ........ z
DissolvedAir Flotation ................................................................................................................................ a
Prechlorinatlon.................._..............'........ ................................................... 5
(4} PRIMARYTREATMENT mvnuPnoCsSaES
Septicrw"x (see definition No. *m............................................................................................................ 2
omxmn
Tank .............................................................................................................................................. u
(d)
Settling Ponds or Settling Tanks for Inorganic NorrIoxIc Maisriais (sludge handling facilities NX water
purification plants, sand. gravel. storpe� and other mining operations except racreallonal activities such as gam
(v) SECONDARY TREATMENT mxma/Pnw:emoES
(^)
c"^bo"=""= Stage
V) Aeration-
pu"mm Tower ... .......... ................................................................................................. a
(Ix) Single slap system for combined carbonacuous removal of SOD and nitrogenous removal by
nitrification (see dailnhion No. 12)(Points for this hem have to be in addition to hem&
(X; ammoic* oonvre ('Super owns')auomoo........... ............ ....................................... —'s
(u)
Nitrogenous Stage
(11) Trickling . 7
StandardRate ............................................................................................................... Z
PackedTower .................................................................... ................ .......................... s
(Ili) Blolog;cal Aerated Fifter or Aerated Biological Rher ...—
(x) TERTIARY onADVANCED TmanwENT uNnanPFocssosa
(m)
mct*oteuCarbon Beds '
without carbon regeneration -----------..,--------------------s
wwo*«non regeneration ..................................... —........................................................... ,u
<o>
Powdered w,Granular Activated Carbon poed-
"w,nvmoammn regeneration ............ ............................................................................. .......
wxhcarbon regeneration ..................................................................................................... 15
Airstripping................... ......................................................................................................................... s
uo°nfirtficalloo
Process .............................................................................................................................. 10
dl
(h)
Land Application of Treated Effluent (see definition No. 22b) (not applicable for sand, gravel, stone
/
wicrovcrvps ............................ ............................................................................................................. '5
(U
Phosphorous Removal by Biological Processes (See ueflnmonNo. m)
(k)
pmmmnn pundu' without aeration., ...........................

(1)
Post Aeration - cascade.............................................................................................................................D
diffused or mechanical........................................................................................................2
(m)
Reverse Osmosis........................................................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate.........................................................................................................2
highrate......................................................................5
(o)
Treatment processes for removal of metal or cyanide...................................................................................1 5
(p)
treatment processes for removal of toxic matarials other than metal or cyanide..............................................15
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic)...............................................................................................10
Aerobic...........................................................................................
Unhealedanaerobic ....................................... .................................................................................. ...
.... 3
(b)
Sludge Stabilization (chemical or thermal)................................................................................................... S
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
VacuumAssisted......................................................................................................................................5
(d)
Sludge Elutdatlon.....................................................................................................................................5
(e)
Sludge Conditioner (chemical or thermal).....................................................................................................5
(1)
Sludge Thickener (gravity)..........................................................................................................................5
(g)
Dissolved Air Flotation Unit (not applicable 10 a unit rated as(3)(1)].............................................................8
(h)
Sludge Gas Utilization (including gas storage).............................................................................................2
(f)
Sludge Holding Tank - Aerated.......................................................................................-...........................5
Non -aerated, .................................................................................... ............................................. ......... 2
(J}
Sludge incinerator (not Including activated carbon rageneralion)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices .....................
(8)
RESIDUALS LMLIZA71OWDISPOSAL (Including 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 peril
orlandfill permit........................................................................................................................................2
(c)
Dedicated Landfill(burial) by the perillee of the wastewater treatment facility........................................I......5
(9)
DISIFECTiCN
(a)
Chlorination ................ ............. .......... ....................................................................................................
,
/�/
(b)
Dachlorination..........................................................................................................................................
(c)
Ozone......................................................................................................................................................5
(d)
Radiation..................................................................................................................................................
( 10)
CHEMICAL ADDITION SYSTEM(S) { see definhlon No. 9) (not applicable to chemical additions rated as Kem (3)(J),
(5)(a)(xi),
{6)(a), (6)(b), (7)(b), (7)(e), (9a), '(9)(b) or (9)(c) 5 points each:
List.........................................................................
—"..........
..•...............................................................................................................................5
....................................................................................... ................. ............. I ......
...................................................................................................................................... S
(1 1)
MiSCElANEOUS UNf WFK3CESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Malerfals Including wastes from mining
operations Containing nitrogen or phosphorus compounds In amounts significantly greater than is common
for domestic wastewater............................................................................................................................4
(b)
Effluent Flow Equalization (not applicable to storage basins which are inherent In land application systems). ....
.2
(c)
Stage Discharge (not applicable to storage basins Inherent In land application systems) ..................................5
(d)
Pumps....................................................................................................................................................
(9)
Stand -Sy Power Supply.. ...........................................................................................................................
(f )
Thermal Pollution Control Device............................................................................................................3
TOTAL POINTS.......................................................................... o
2
5-25 Points
Class IF
..... .............................................................................. ................ 29-50 Points
i56....................................................................................................... 51-65 Points
ClassIV .......................................................................................................66-Up Poiras
Facilities having a rating of one through [our ants, Inclusive, do not require a CertUied o razor.
Facilities having an activated sludge process wig be assigned a minimum classification of Class 11.
Facililies having treatmeni processes forthe removal of metal or cyanide will be assigned a minimum classification of Class It.
Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum ciassifieaiion of Class III.
AOD4 DERN71ONS
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physlcalichemical method for reducing soluble organic material from 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 either vpflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant rile;
(2) Aerated Lagoons. A basin in which all solids are maintained In suspension and by which biological oxidation or organic matter Is reduced through artificilOy
accelerated transfer of oxygen on a Clow -through basis;
(3) Aeration. A process of bringing about intimate contact between air or high purity oxygen In a liquid by spraying, agitation or diffuslon;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time of 18 hours
(4) Agricufturally managed site. Any she on which a crop Is produced, managed, and harvested (Crop includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium Ion is first convened to dissolved ammonla (pH adjustment) with the ammon)a then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneration The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impuritlas;
(7) Carbonaceous Stage. A stage of wastewater treatment designed 10 achieve 'secondary' effluent limits;
(8) Centrifuge. A mechanical aevice In which centrifugal force Is used to separate solids from Ilqulds or to separate liquids of different dsnshlas;
(9) Chemical Addition Systems- The add€tlon of chemicals) to wastewater at an application point for purposes of improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to expenmern with dMarant chemicals and different application points to achieve a specific result will be considered one
system; the capabiitry to add chemical(s) to dual units will be rated as one system; capability to add a chemical at a different application points for different
purposes will result in the systems being rated as separate systems;
(10) Chemical Sludge Conditioning. The addition of a chemical compound such as Ilme, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
its application to a dewatering device;
(11) Closed Cycle Systemac. Use of holding ponds or holding tanks for containment of wastewater containing Inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardless of pumping faclWas or any other appurtenances;
(12) Combined Removal of Carbonaceous BOO and Nitrogenous Removal by Wrtfication- A single stage system required to achieve permit effluent limits on SOD
and ammonia nitrogen within the same biological reactor
(13) Dechlorinatlon. The partial or complete reduction of residual chlorine in a liquid by any chemical or physical process;
(14) Denitr€licatlon Process. The conversion of nitrate-ntrogen to nitrogen gas;

(15) Electrodialysis. Process for removing ionized salts from water through the use of ion -selective Ion -exchange membranes;
(16) fitter Press. A process operated mechanically for partially dewatering sludge;
(17) Foam Saparation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of delergent materials through
the introduction of air in the form of fine bubblcs; also called foam fractionation;
(18) Grit Removal_ The process of removing grit and other heavy mineral matter from wastewater;
(19) Imhoff Tank. A deep Iwo story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(20) Instrumented Flow Measurement. A device which Indicates and records rate of flow;
(21) Ion Exchange. A chemical process in which ions from two diflerem 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
chisel plow); tnol applicable for types of sludge described in (11) of this Rule);
(b) Treated Effluent. The process o1 spraying treated wastewater onto a {and area or other methods of application of wastewater onto a land area as a
means of final disposal or Ireatment;
(23) Microscreon. A low speed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing method for removing
suspended solids from effluent;
(24) Nitrification Process. The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate);
(25) Nitrogenous Stage. A separate stage of wastewater troatmom designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxic/anoxic process designed to enhance luxury uptake of phosphorus
by the microorganisms;
(27) Pollshing pond. A holding pond following secondary treatment wish sufficient detentlon time to allow senling of finely suspended solids;
(28) Post Ae,-ation. Aeration following conventional secondary treatment units to increase effluent Q.O. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the effluent by a nonmachanical, gravity means of flowing 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 operalur
adjustment; thus, zero points are assigned even though this Is an essential step to meeting the limits of the discharge permit;
(30) Powdered to Granular Activated Carbon Feed. A blophysicaf carbon process that utiiizes biological activity and organic absorption by using powdered or
granular activated carbon; Virgin or regenerated carbon is lead controlled into the system;
(31) Preaeral€on. A tank constructed to provide aeration prior to primary treatment;
(32) Preliminary Units. Unit operations in the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operations;
(33) Industrial Pretreatment.
(a) Pre-treatment Unit, Industrial, The conditioning of a waste at its source before discharge, to remove or to neutralize substances Injurious to sewers and
trealmenl processes or to effect a partial reduction in load on She treatment process which is operated by the same governing body as the wastewater
treatment plant being rated;
b) Pre-treatment Program, Industrial - must be a State or EPA required program to receive points on the rating sheet;
(34) Primary Clarifiers. The first sensing tanks through which wastewater is passed in a treatment works for the purpose of removing settleable and suspended
solids and BO❑ which Is associated with the solids;
(35) Pumps. All inffuent, effluent and in -plant pumps;
(36) Radiation. Disinfection or sterilization process utilizing devices emitting ultraviolet 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 biological growth process in which wastewater flows through tanks in which a series of partially submerged circular
surfaces are rotated;
(39) Sand Filters:
(a) intenmittant Biological. FlAration of effluent following septic tanks, lagoons, or some olhor treatment process In which further biodecomposltlon is
expected to produce desired effluents; Hydraulic loading rates on these fillers are computed In gpd/ac and have a resulting low gpm✓sf (lass than one);
b) Recirculating biological . the same type of sand fitter as defined in Subparagraph (39) (a) of this Rule with the added capability to recycle effluent back
through the sand filter;
(4C) 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, hydraullcally loaded filter with loading rates in the one to three gprrt/sf range;
(b) high rate -- a pressure, hydraulicaily loaded fitter with loading rates in the five gprwsl range; At any rate, the loading rate will exceed three gprwsf;
(41) Secondary Clarifiers. A lank 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 Reaeration. A part of the contact stabilization process where the activated sludge is transferred to a tank and aerated before returning lt
to the contact basin;
(43) Septic Tank. A single -story settiing tank in which settled sludge is In contact with the wastewater flowing through the tank; shalt not be applicable for
septic tank systems serving single family residences having capacity of 2,000 gallons or less which discharge to a nitrification field;
(44) Sludge Digoslion. The process by which organic or volatile matter and sludge is gasified, liquefied, mineralized or corrverled 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 and
evaporation;
(46) Sludge Elutriatlon, A process of sludge conditioning in which cerlain constituents are removed by successive washings with fresh water or plard effluent;
(47) Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings, driving engines, etc.;
(48) Sludge Holding Tank (Aerated and ftlonaerated). A tank utilized for small wastewater treatment plants not containing a digester In which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (Le. sludge drying beds); This may be done by adding a amall arnourd of air simply to keep the
sludge fresh, but not necessarily an amourn that would be required to achieve stabilization of organic matter. A nonaoraled tank would simply be used to
decant sludge prior to dewatering and would not allow long periods (several days of detention) wh hout resulting odor problems;
(49) Sludge Incinerators. A furnace designed to bum sludge and to remove all moisture and combustible materials and reduce the sludge to a sterile ash;
(50) Sludge Stabilization (Chemical or Thorma)). A process to make treated sludge less odorous and putrescible, and to reduce the pathogenic organism
content; This may be done by pH adjustment, chlorine dosing, or by heat treatment;
(51) Sludge Thickener. A type of sedimentation tank In which the sludge Is permitted to settle and thicken through agitation and gravity;
(52) Stabilization Lagoon- A type of oxidation lagoon in which biological oxidation of organic matter Is effected by natural transfer of oxygen to the water from
air (not a polishing pond);
(53) Stand -ay bower Supply. On site or portable electrical ganorating equipmem;
(54) Static Screens. A stationary screen designed to remove solids, including non -biodegradable particulate (floatable solids, suspended solids and BOD
reduction) from municipal and industrial wastewater treatment systems;
(55) Tertiary Treatment. A stage of treatment following secondary whlch 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 davlce. A device providing for the transfer of heat tram a fluid flowing In tubes to another fluid outside the tubes, or vice versa;
or other means of regulating liquid temperatures;
(57) Thermal Sludge Conditioner. A conditioning process by which heat Is added for a protracted period of time to Improve the dewaterablilty of sludge by the
solubilizing and hydraullzing of the smaller and more highly hydrated sludge particles;
(58) Toxic Materials. Those wastes or combinatiorts of wastes. Including disease -causing agents which after discharge and upon exposure, Ingestion, Inhalation
or assimilation into any 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 deformations, In such organisms or their
Offspring; Toxic materials Include, by way of Illustratlon and not limitation: lead, cadmium, chromium, mercury, vanadium, arsenic, zinc, onho-nhro-chiorobe nzene
(ONCE), po#ychlo€inated biphenyis (PCBs) and dlchlorodiphenyl trichioroethane (DDT); and any other materials that have or may hereafter be determined to have
toxic properties;
(59) Trickling Fitter. A biological treatment unit consisting of a material such as token stone or rock over which wastewater is distrbuted; A high rate trickling
filter Is one which operated al between 10 and 30 mgd per acre. A low rate tricking fitter is one which is designed to operate at one to four mgid per acre;
(60) Trickling Filter (Packed Tower). A plug flow type of operation in which wastewater flows down through successlve layers of medla or littrate material; Organic
material Is removed corttlnually by the attire 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 Filter, Centrifugets, or Filler Presses. Devices which are designed to remove excess water from either digested or undigested sludge prior to disposal
or further treatment.