WQ0007927_Final Permit_19990607

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 7, 1999
Mr. R.A. Bryan, Jr.
Aviation Fuel Terminals, Inc.
296 Radio Island Road
Beaufort, North Carolina 28516
Dear Mr. Bryan:
- -
A1 � •
NCDENR
NORTH CAROLINA DEPARTMENT OF`
ENVIRONMENT AND NATURAL RESOURCES
Subject: Permit No. WQ0007927
Aviation Fuel Terminals, Inc.
Groundwater Remediation Facilities
by Means of Spray Irrigation
Carteret County
In accordance with your application received March 1, 1999, we are forwarding herewith Permit No.
WQ0007927, dated June 7, 1999, to Aviation Fuel Terminals, Inc. for the continued operation of the subject
groundwater remediation and treatment facility by means of spray irrigation.
This permit shall be effective from the date of issuance until May 31, 2004, shall void Permit No.
WQ0007927 issued May 31, 1994, and shall be subject to the conditions and limitations as specified therein.
Please pay particular attention to the monitoring and reporting requirements contained in Sections III
and IV of this permit, as some of the conditions are different from those in the previous permit. In addition,
please note that sampling of the existing groundwater monitoring wells shall continue in accordance with the
Corrective Action Plan (CAP). 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 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 pernut shall be final and binding.
PO Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

If you have any questions concerning the Groundwater Conditions or groundwater monitoring
requirements, please contact Mr. Brian Wootten in the Groundwater Section at [phone]. If you need
any additional information concerning this matter, please contact Ms. Shannon Mohr Thornburg at (919) 733-
5083, extension 353.
Sincer ,
Kerr T. Stevens
cc: Carteret County Health Department
Triangle Environmental, Inc.
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
GROUNDWATER REMEDIATION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Aviation Fuel Terminals, Inc.
Carteret County
FOR THE
continued operation of a 30,000 GPD groundwater remediation treatment and disposal facility by means of
spray irrigation to serve Aviation Fuel Terminals, Inc.'s Fort Macon Street Facility in Beaufort, North
Carolina, with no discharge of wastes to surface waters, pursuant to the application received March 1, 1999,
and in conformity with the project plans, specifications, and other supporting data subsequently filed and
approved by the Department of Environment and Natural Resources and considered a part of this permit.
Following withdrawal using five pneumatic recovery pumps, groundwater remediation and tank bottom
wastewater is treated in a system consisting of a 180-gallon oil/water separator, a 1,128-gallon aeration tank
with dual blowers and four diffusers, a 1,100-gallon equalization/pumping tank, and all other associated
pumps, valves, metering devices, and appurtenances prior to disposal through spray irrigation onto an
approximate area of 15,000 square feet.
This permit shall be effective from the date of issuance until May 31, 2004, shall void Permit No.
WQ0007927 issued May 31, 1994, and shall be subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
L The spray irrigation facilities shall be effectively maintained and operated at all times so that there
is no discharge to surface waters, nor any contamination of ground waters which will render them
unsatisfactory for normal use.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and may be
rescinded unless the facilities are installed, maintained, and operated in a manner which will
protect the assigned water quality standards of the surface waters and ground waters.
3. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective action, including those actions that may
be required by the Division of Water Quality (Division), such as the construction of additional or
replacement treatment or 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. Any residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the Division.
6. Diversion or bypassing of the untreated groundwater from the treatment facilities is prohibited.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Water Pollution Control Systems 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 11, 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.
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.
4. Irrigation shall not be performed in such a manner that will cause runoff.
5. The instantaneous application rate shall not exceed 20.0 inches per hour.
No type of wastewater other than that from the groundwater remediation facilities at the Fort
Macon Street Facility of Aviation Fuel Terminals, Inc. shall be sprayed onto the irrigation area.
7. No traffic or equipment shall be allowed on the disposal area except while normal maintenance is
being performed.
Public access to the land application sites shall be controlled during active site use. Such controls
may include the porting of signs showing the activities being conducted at the site.
III. MONITORING AND REPORTING REQUIREMENTS
Any monitoring deemed necessary by the Division to ensure surface and ground water protection
will be established and an acceptable sampling reporting schedule shall be followed.
2. Adequate records shall be maintained by the Permittee to track 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.
4

Three (3) copies of all operation and disposal records (as specified in Condition HT 2) on Form
NDAR-1 shalI be submitted on or before the last day of the month following the irrigation event.
All information shall be submitted to the following address:
NC Division of Water Quality
Water Quality Section
Non -Discharge Compliance/Enforcement Unit
Post Office Box 29535
Raleigh, North Carolina 27626-0535
4. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone number
9910) 395-3900, as soon as possible, but in n6 case more than 24 hours or on the next working day
following the occurrence or first knowledge of the occurrence of any of the following:
a. Any occurrence at the groundwater remediation facility which results in the treatment of
significant amounts of contaminated groundwaters which are abnormal in quantity or
characteristic, such as the dumping of the contents of a basin or tank, the known passage of a
slug of hazardous substance through the facility, or any other unusual circumstances;
b. Any process unit failure, due to known or unknown reasons, that renders the groundwater
treatment and disposal system incapable of adequate treatment and disposal, such as
mechanical or electrical failures of pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
directly to receiving waters without treatment of all or any portion of the influent to such
station or facility; or
d. Any time that self -monitoring information indicates that the groundwater treatment and
disposal system is not in compliance with any specified permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter form
within five days following first knowledge of the occurrence. This report must outline the actions
taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
The groundwater remediation effluent shall be sampled quarterly for the following parameters:
EPA Method 602 (including Xylenes)
EPA Method 610
2. One copy of the results of the sampling and analysis must be received by the Groundwater
Section, Permits and Compliance Unit, P.O. Box 29578, Raleigh, NC 27626-0578, and one copy
shall be sent to the Wilmington Regional Office, 127 Cardinal Drive Extension, Wilmington, NC
28405-3845 on or before the last working day of the month following the sampling month.
3_ The groundwater treatment system shall consistently achieve at least a 95 percent treatment
efficiency (i.e., remove 95 percent of the influent contaminants) prior to discharge to the spray
field. If the treatment system fails to consistently achieve this standard, additional treatment units
or changes in operational methods, may be required.

4_ Isoconcentration (lines connecting points of equal concentration) maps in both the vertical and
horizontal directions shall be developed using the semiannual groundwater monitoring data for
BTEX. A water level contour map must also be developed on a semiannual basis. Two copies of
these maps shall be submitted along with all other monitoring data for that period to the
Groundwater Section, Permits and Compliance Unit, P.O. Box 29578, Raleigh, NC 27626-0578.
All components of the groundwater recovery, treatment, and disposal system shall be properly
weather -proofed to prevent freezing and failure of the system.
6. The groundwater recovery, treatment, and disposal system shall be inspected weekly. If it is
determined that the system is malfunctioning, all repairs should be made as soon as possible and
reported to the Wilmington Regional Office within 48 hours.
9. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A
NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is far 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).
7. 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.
8. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
V. INSPECTIONS
I. Adequate inspection, maintenance and cleaning shall be provided by the Permittee to ensure
proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the groundwater recovery and treatment 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 maintain an inspection log or summary including at least the date and time of inspection,
observations made, and any maintenance, repairs, or corrective actions taken by the Permittee.
This log of inspections shall be maintained by the Permittee for a period of three years from the
date of the inspection and shall be made available to the Division or other permitting authority,
upon request.
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.

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 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. A set of approved plans and specifications for the subject project must be retained by the Permittee
for the life of this project.
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.
6. The annual administering and compliance fee trust 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).
7. 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.
S. The Permittee, at least six 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 th seventh day of June, 1999
NORTH OLINA MENTAL MANAGEMENT COMMISSION
Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0007927

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RATING
ON CONTROL SYSTEMS
Name of Facility:�—
Owner or Contact Person:
r
ri
Mailing Address:
County: 6�L
CAL
Telephone; 2-
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Present Classification:
New Facility
Existing Facility
NPDES Per. No. NC00
Nondisc. Per. No.WQc1d2o M 7Health
Dept.Per No.
Rated by:
Ir
Telephone:
Date,
Reviewed by:
Health Dept.
Telephone:
Regional Office
Telephone:
Central Office
Telephone:
ORC:
Grade:
Telephone:
Check Classification(s):
Subsurf
Spray Irrigation
Land Application
Wastewater Classification: (Circle One)
it III IV
Total Points:
# :►i ":tom :► N a �• 7
Iu \I e1r tr 3 :► ►lip .:: ::: +a \ I:: r:+i� - Ili\ fir: ►*
I =►i atW&I-lu it.J •r • ' 1� ter. l= �w y +.► +, J!. : i.
SUBSURFACE CLASS! FICATIUN
(check all units that apply)
1, septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4, sand filters
5, grease trap)interceptor
6. oil/water separators
7. gravdy subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
SPRAY IPOJ ATION CLASSIFIC.4TlON
(check all units that apply)
1.
preliminary treatment (definition no. 32 )
2.
lagoons
3.
septic tanks
4.
pump tanks
5.
pumps
6.
sand filters
7,
grease trapirinterceptor
8.
oil/water separators
9.
disinfection
10.
chemical addition for nutrient/algae control
11. spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shaft
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITYCLASSIFICATION
The foilowing systems shall be assigned a Class I classification, mess 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 it Appropriate)
1. OiVwaier 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. C d-loop Recycle Systems;
5. Groundwater Remediatien Systems consisting only of oil/water separators, pumps, air -stripping, sorption, dis
and dispo ,sl;
6. Aquaculture operations with discharge to surface waters-,
7. Water Plant sludge handling and back -wash water treatment:
8. Seafood processing consisting of screening and disposal.
9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified it permitted after Juiy 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 scale is used for rating wastewater treatment facilities: (circle appropriate points)
rTEM POINTS
( 1 J Industrial Pretreatment Units or Industrial Pretreatment Program (see definition 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 faciihies consisting only of hem
(4)(d) or Items (4)(d) and (11)(d)j
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 ................................................................................................................................s
1,000,001 - 2,000.000...........................................................................................................................10
2.000.001 (and up) rats i paint addhional for each 200.000 gpd capacity up to a maximum of .................30
Design Flow (gpd)
(3) PRELIMINARY UNfTS+PROCESSES (see definition No.32)
(a) Bar Screens...............................................................................................................................................1
or
(b) Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2
(c) Grit Removal..............................................................................................................................................1
or
(d)
Mechanical orAerated Grit Removal...........................................................................................................2
(a)
Flow Wasuring Device.....................................................•--•.......................................................................1
or
(f)
Instrumented Flow Measurement.....................................................................:..........................................2
(g)
Preaeraiion...............................................................................................................................................2
(h)
Influent Flow Equalization..........................................................................................................................2
Grease or Oil Separators - Gravity.-,-., .......... ......................... ......................................... ......... _ .... ........... 2
Mechanical.................................................................................................................................................3
DissolvedAir Flotatlon................................................................................................................................8
(j)
Prechlorinatlon.........................................................................................................................................5
(4) PRIMARY TREATMENT LlgffSPPROCESSES
(a)
Septic Tank (sea definition No, 43)............................................................................................................2
(b)
Irtholf Tank..............................................................................................................................................5
(c)
Primary Clar'rflers..........................................................................................................................................5
(d)
Senling Ponds or Settling Tanks for Inorganic Non-toxkt Materials (sludge handling facitties for water
purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgold mining) ................................................................ ........................ ...2
(5) SECONDARY TREATMENT UNI1'S(PROCESSES
(a)
Carbonaceous Stags
(i) Aeration -High Purity Oxygen System...............................................................................20
DiffusedAir System.......................................................................................................10
Mechanical Air System (fixed, floating or rotor)..................................................................8
Separate Sludge AsaerxIon.......... .............. .............................................. .......................
(ii) Trickling Flher
HighRate.......................................................................................................................7
StandardRate. ........................................................ ................................. ............... 5
PackedTower.................................................................................................................5
(iri) Biological Aerated Filter or Aerated Biological Filter ............................................................1 0
(iv) Aerated Lagoons.........................................................................................................10
(v) Rotating Biological Confactors......................................................................................1 0
{vi} Sand Filters -intermittent biological...................................................................................2
Recirculating biological......................•...--...............................--.......................................3
(vii) Stabllizatlon Lagoons.....................................................................................................5
(wilt) Clarifier ......................... ................................................................................. ,................
(fx) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal by
nitrification (see definition No. 12)(Points for this item have to be in addition to items
(5)(a)(1) through
utllfzing the extended aeration process (see dellnttlon N0.3a)..........................................2
uiflizing other than the extended aeration process.. ........................ . ........ ................. _.' - 8
(x) Nutrient additions to enhance BOO removal........................................................... •........... 5
(xl) Biological Culture ('Super Bugs")addition................................................. :...................... 5
(b)
N'.trogenous Stage
(I) Aeration - High Purity Oxygen System ..................... _......... ............... .......... ................. 20
DiffusedAir System....................................................................................._..............._1 0
Mechanical Air System (fixed, floating or rotor) ........................ ...................... _.............. 8
SeparateSludge Reasrafion......................................•----..........................,......................3
(11) Trickling Filter -High Rate.....................................---.......,...................................................7
StandardRate..........................................................•-•••-••-•--------.--............._...............__5
Packed'rower................................................................................................................5
(111) Biological Aerated Filter or Aerated 8iatogical Fifter...... ............. .......................... .............. 10
(iv) Rotating Biological Contactors ......................................................................................10
(v) Sand Flher- Intermittent biofogleal...................................................................................2
Recirculating biological.....................................................................................................3
(vt) Clarifier............................. ..................................•.._.................-----._.........._....................5
(6) TERTia.RY OR ADVANCED TREATMf3JT LINH FK)CESSES
(a)
Activated Carbon Beds -
without carbon regeneration................................................................................................_..5
withcarbon regeneration...................................................... ............. .................................... 15
(b)
Powdered or Granular Activated Carbon Feed -
withoutcarbon regeneration................................................................................................5
aRhcarbon regeneration.....................................................................................................1 5
(c}
Air stripping ............................................. ... »............................................................................. .............
(d)
Donitrificatlon Process..............................................................................................................................1 0
(a)
E:ectrodlafysls....... ............ „.................................... ................................................................................ .... 5
(f)
Foam Separation............................................................................................................. . ......................5
(g)
ton Exchange... .. ....................... ... ..... ..... ......................5
(h)
t3rrd Application of Treated Effluent (see definition No. 22b) (rat applicable for sand, gravel, stone
and other similar mining operations) by high rate infiltration..„..„...„..................................„........................A
(1)
Microscreens................. ......... ................... _.............. ................... .5
(1)
Phosphorous Removal by Blologleal Processes (See definition No. 26).........................................................20
(k)
Polishing Ponds - without aeration ............... ........................................ »................................................... 2
withaeration ........ .......................... ....................... ........... ........................... .................. 5

(1)
Post Aeration - cascade ................................................. ........................................................................... .0
diffused or mechanical.........................................................................•--............................2
(m)
Reverse Osmosis........................................................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate .......... ....................... ........................................................................2
highrate......................................................................5
(0)
Treatment processes for removaf of metal or cyanide ...................... ........................................ ........... ........ ..t 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide..............................................1 5
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank - Hoaled (anaerobic)...............................................................................................1 0
Aerobic.............................................................. ...........5
Unheated(anaerobic)_ ...... _ ........................................... .......... ............................. ............................... 3
(b)
Sludge Stabilization (chemical or thermal)....................................................................................................5
(c)
Sludge Drying Beds - Gravity ....................
VacuumAssisted................................................................................................................................5
(d)
Sludge Elutrfation.....................................................................................................................................5
(e)
Sludge Conditioner (chemical or thermal) ......................... .................................. ............................ ............. 4
(1)
Sludge Thickener (gravity) ..........................
(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 -aerated ............................................................................................---......................--...................... 2
(j)
Sludge Incinerator (not including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices...................................................1 0
(8)
RESIDUALS UTILIZATIONIDISPOSAL (Inducing 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 permittae of the wastewater treatment facility...............................................5
9
( )
(a)
Chlorination.............................................................................................................................................5
(b)
Dechlorination......................................................... •.......--............... 5
(c)
Ozone.................................................................................. 5
(d)
Radiation.................................................................................................................................................5
(1 0)
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) [not applicable to chemical addhiom rated as nem (3)(1).
(5)(a)(xi),
(6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each:
List...........................................S
•............................................................................................................................5
...................................................................... .................
.....................................................................................................................................
(1 1)
MISCE-Li'-\ E US UNfTS PROCESSES
(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
for domestic wastewater., ...................................................................... .......... 4
(b)
Effluent Flow Equalization (not applicable to storage basins which are inherent In land applicatlon sysiems) ...... 2
(c)
Stage Discharge (not applicable to storage basins inherent In land application systems)..--. ............................. 5
(d)
Pumps......................................................................................................................................................3
(e)
Stand -By Power Supply ....................................... .......... ............... ............................................................. 3
(f )
Thermal Pollutlon Control Device................................................................................................................ 3
TOTALPO(NTS..........................................................................
CLASSIF)CAT)CN
la<s I ............................... ............... ................................... .......................... 5-25 Points
Class11.........................................................................................................26-50 Points
CasslA........................................................................................................51.65 Points
GassN.......................................................................................................58-Up Points
Facilities having a rating of ane through four points, Inclusive, do not require a certified operator.
Facilities having an activated sludge process will be assigned a minimum classification of Class II.
Facilftles staving treatment processes forthe removal of metal of cyanide will be assigned a minimum classHlcation of Class 11.
Facilfties having treatment processes for the biological removal of phosphorus will be assigned a minimum ciassftatian of Class Ill.
-------------------------------------------------------------
.0034 DEFINITIONS
The to#lowing definitions shall apply throughout this Subchapter,
(1) Activated Carbon Beds. A physical/chemical 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 upflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant site;
(2) Aerated Lagoons. A basin in which ail solids are maintained In suspension and by which biological oxidation or organic matter Is reduced through artilicially
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, aghation or dlffusion;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time cf 18 hours.
(4) Agriculturaily managed site. Any site an which a crop Is produced, managed, and harvested (Crop includes grasses, grains, trees, etc.);
(5) Air Stripping, A process by which the ammonlum Ion is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as berizene, toluene, and xylarle;
(6) Carbon Regeneration. The regeneration of exhausted carbon by the use of a fumace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impurities;
(7) Carbonaceous Stage. A sage of wastewater treatment designed to achieve "secondary' effluent limits;
(8) Centrifuge. A mechanical device in which centrifugal force is used to separate solids from liquids or to separate liquids of different dens'rias;
(9) Chemical Addition Systems- The addition of chemical(s) to wastewater at an appllcatlon point for purposes of improving solids removal, pH adjustment,
alkaflnly control, etc.; the capability to experiment whh different chemlcafs and different application points to achieve a specific resuh will be considered one
system; the capability to add chemical(s) to dual units will be rated as one system; capabillty 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 time. ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
Its appfioatlan to a dewatering device;
(11) Closed Cycle Systems. 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 facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit allluera limits an SOD
and ammonia nitrogen within the same biological reactor, _
(13) DecNorfnatlom The partial or complete reduction of residual chlorine In a liquid by any chemical or physical process;
(14) Denilrriicatlon Process. The conversion of n€trale-nitrogen to nitrogen gas;

(15) Eleclrodialysis. Process for removing Ionized sales from water through the use of ion -selective lon•exchange membranes;
(18) Flier Press. A process operated mechanically for partially dewatering sludge;
(17) Foam Separation. The planned frothing of wastewater or wastewater eilluent as a means of removing excessive amounts of detergent materials through
the introduction of air In the form of fine bubbles; also called foam fractionation;
(18) Grit Removal. The process of removing grb and other heavy mineral mailer from wastewater;
(19) Imholl Tank- A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(20) $nstrumenled Flow Measurement. A device which Indicates and records rats of flow;
(21) Ion Exchange, A chemical process in which Ions from two different molecules are exchanged;
(221 Land application:
(a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied 10 land either by spraying on the surface or by subsurface injection
(i.e., chisel plow); (not appllcablB for types of sludge described in (11) of this Rule);
(b) Treated Effluent. The process of spraying treated wastewater onto a land area or other methods of application of wastewater onto a land area as a
means of final disposal or treatment;
(23) Microscreen. 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 treatment designed for the specific purpose of converting ammonia nitrogen to narate nitrogen;
(26) Phosphate Removal, Biological. The removal 01 phosphorus from wastewater by an oxidanoxic process designed to enhance luxury uptake of phosphorus
by the microorganisms;
(27) Poilshing Pond. A holding pond following secondary treatment with sufficient detention time to allow settling of finely suspended solids;
(28) Post Aeration. Aeration following conventional secondary 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 nonmechanical, gravity means of flowing down a
series of steps or weirs; The flow occurring across the slaps 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 slap to meeting the limits of the discharge permit;
(30) Powdered to Granular Activated Carbon Feed. A biophysical carbon process that utilizes biological activity and organ;c absorption by using powdered or
granular activated carbon, Virgin or regenerated carbon is feed controlled into the system;
(31) PreaeratiarL 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 cperaliars;
(33) Industrial PretrBatment.
(a) Pre-treatment Unit, Industrial, The condifloning of a waste at its source before discharge, to remove or to neutralize substances Injurious to sewers and
treatment processes or to effect a partial reduction in load on the 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;
(341 Primary Clarifiers, The first seniing tanks through which wastewater is passed In a treatment works for the purpose of removing settleable and suspended
solids and BOD which is associated with the solids;
(35) Pumps. All influent, effluent and in -plant pumps;
(36) Radiation. Disinfection or sledVzalion process utilizing devices arr.MJng ultraviolat 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) Intermittent Biological. Filtration of Btfluent following septic tanks, lagoons, or some other treatment process in which further bfodecompositlon is
expected to produce desired effluents; Hydraulic loading rues on these fibers are computed In gpolac and have a resulting low gpm/sf (lass than one);
b) Recirculating biological - the same type of sand fiber as defined in Subparagraph (39) (a) of this Rule with the added capability to recycle effluent back
through the sand fiber;
(40) 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 gprrdsf range;
(b) high rate -- a pressure, hydraulically loaded fiber with loading rates in the live gprrdst range; Al any rate, the loading rate will exceed three gprrsi;
(41) Secondary Clarifiers. A tank which lcllaws 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 activatod sludge is transferred to a tank and aerated before retuming It
to the contact basin-,
(43) Septic Tank A single -story settiing tank In which settled sludge is In contact with the wastewater ilowing through the tank; shall not be applicabW for
septic tank systems serving single family residences having capacity of 2,000 gallons or less which discharge to a nitrification field;
(44) Sludge Digestion. The process by which organic or volatile matter and sludge is gasified, liquefied, mineralized or converted into more stable organic mailer
through the activity of living organisms, which Includes aerated holding tanks,
(45) Sludge Drying Beds. An area comprising natural or arthlclal layers of porous materials upon which digested sewage sludge Is driad by drainage and
evaporation;
(SS) Sludge Elutriation. A process of sludge conditioning In which certain constituents are removed by successive washings with fresh water or plant effluent;
(47) Sludge Gas 1 hilization. The process of using sewage gas for the purpose of heating bullrings, driving engines, etc.;
(48) Sludge Holding Tank (Aerated and Nonaerated). 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 (i.e. sludge drying beds); This may be done by adding a small amount of air simply to keep the
sludge fresh, but not necessarily an amount that would be required to achieve stabilization of organic matter. A nonaerwed 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 fumace designed to bum sludge and to remove all moisture and combustible materiais and reduce the sludge to a sterile ash;
(501 Sludge Stabilization (Chemical or Thermal). A process to make treated sludge less odorous and putrescibia, 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 sadimamalton 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 -By Power Supply, On site or portable electrical generating equipment;
(54) Static Screens. A stationary sciBen designed to remove solids, including non -biodegradable particulate (iloatable solids, suspended solids and SOD
reduction) from municipal and industrial wastewater treatment systems;
(55) Tertiary Treatment. A stage of treatment following secondary which is prlmadi for the purpose of affluent polishing; A settling lagoon or sand or coal fiber
might be employed for this purpose;
(56) Thermal pollution Control Device. A device providing for the transfer of hew 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 Conditloner. A conditioning process by which treat Is added for a protracted period of lime to Improve the dewaterabilhy-of sludge by the
solubiiizing and hydraulizing of the srt'ailer and more highly hydrated sludge particles;
(58) Toxic Materials. Those wastes or combinations of wastes, Including disease -causing agents which after discharge and upon exposure, Ingestton, Inhalation
or assimilation into arty organism, either directly from the environment or indirectly by Ingestion through food chalnrs, will cause death, disease, behavioral
abnormalities, cancer, genetic mutations, physiological malfurcilons (including malfunctions In reproduction) or physical deformations, In such organisms or their
offspring; Toxic materials Inc3ude, by way of Illustration and not Ilmhation: lead, cadmium, chromium, mercury, vanadium, arsenic, zinc, ortho-nitro-chlorobenzens
(ONCE), polychlorinated biphanyls (PCBs) and dlchlorodiphenyl trichloroefhane (DDT); and any other materials that have or may hereafter be determined to have
toxic properties;
(59) Trickling Fiber. A biological treatment unit consisting of a material such as broken stone or rock over which wastewater is distributed; A high rate trickling
fiber Is one which operated at between 10 and 30 mgd per acre. A law rate trickling filter Is one which is designed to operafB at one to four mgd per acre;
(60) Trickling Fiber (Packed Towar). A plug flow type of operallon In which wastewater flows down through successive layers of media or filtrate material; Organic
material Is removed continually by the active biological fixed growth in each successive layer. This method may produce 'secondary' qualtry effluent, or may be
adapted to produce a ritriiied effluent;
(61) Vacuum Fiber, Centrifuges, or F.".er Presses Devices which are deslgnod to remove excess water from either digested or undigested sludge prior to disposal
or further treatment.