WQ0008013_Final Permit_19940331

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
March 31, 1994
Mr. A. Ray Griffin, Jr., City Manager
City of Lumberton
Post Office Box 1388
Lumberton, North Carolina 28359-1388
A74
L7EHNR
Subject: Permit No. WQ0008013
City of Lumberton
Lumberton Water Treatment Plant
Robeson County
Dear Mr. Griffin:
In accordance with your application received August 27, 1991, we are forwarding herewith Permit
No. WQ0008013, dated March 31, 1994, to the City of Lumberton for the construction and operation of
an alum sludge storage and flow equalization basin with discharge of equalized flow to the City's
wastewater treatment facility via city sewer.
This permit shall be effective from the date of issuance until rescinded, and shall be subject to the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 to you, 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 150E of 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.
One set of approved plans and specifications is being forwarded to you. If you need additional
information concerning this matter, please contact Mr. Dana J. Bolden at [phone].
Sincerely
A. Presto oward, Jr., P.E.
cc: Robeson County Health Department
Fayetteville Regional Office, Water Quality
Koonce, Noble and Associates
P.Q. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
ALUM SLUDGE STORAGE and EQUALIZATION 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
City of Lumberton
Robeson County
FOR THE
construction and operation of an alum sludge storage and flow equalization system consisting of a
1,400,000 gallon basin (to receive filter backwash wastewater, sludge from the clarifiers, and emergency
overflow finished water from the reservoir), an equalization basin pump station, a recycle pump station,
and associated force main to serve the City of Lumberton Water Treatment Facility with no discharge of
wastes to the surface waters, pursuant to the application received August 27, 1991 and in conformity with
the project plan, specifications, and other supporting data subsequently filed and approved by the
Department of Environment, Health and Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until rescinded, and shall be subject to the
following specified conditions and limitations:
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this pen;nit, the approved plans, 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. The facilities shall be properly maintained and operated at all times.
4. This permit is not transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Environmental Management accompanied by an application
fee, documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of the request will be considered on its merits and may or may
not be approved.
5. Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted
facility has been installed in accordance with this permit, the approved plans and
specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box
29535, Raleigh, NC 27626-0535.

6. in the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall tale immediate corrective action, including those as
may be required by this Division, such as the construction of additional or replacement
wastewater treatment or disposal facilities.
7. The Fayetteville Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an in -
place inspection can be made. Such notification to the regional supervisor shall be made
during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday,
excluding State Holidays.
8. The sludge generated from these treatment facilities must be disposed of in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
9. 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.
10. 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.
11. Diversion or bypassing of untreated wastewater from the treatment facilities is prohibited.
12. Freeboard in the storage basin shall not be less than two feet at any time.
13. Any monitoring deemed necessary by the Division of Environmental Management to insure
surface and ground water protection will be established and an acceptable sampling
reporting schedule shall be followed.
14. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation of the subject facilities.
15. The Permittee or his designee shall inspect the facilities permitted herein to prevent
malfunctions and deterioration, operator errors and discharges which may cause or Iead to
the release of wastes to the environment, a threat to human health, or a nuisance. The
Permittee shall keep an inspection log or summary including at least the date and time of
inspection, observations made, and any maintenance, repairs, or corrective actions taken
by the Permittee. This log of inspections shall be maintained by the Permittee for a period
of three years from the date of the inspection and shall be made available upon request to
the Division of Environmental Management or other permitting authority.
16. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the recycle system at any reasonable time for the purpose
of determining compliance with this pen -nit; may inspect or copy any records that must be
kept under the terms and conditions of this permit; or may obtain samples of groundwater,
surface water, or Ieachate.
17. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
18. The issuance of this permit does not preclude the Perminee 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.
19. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
2

20. Noncompliance Notification:
The Pennittee shall report by telephone to the Fayetteville Regional Office, telephone
number [phone], 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 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 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 is not in compliance
with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
Permit issued this the 31 st day of March, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston Tjoward, Jr., P.E., Director
Division of nvironmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0008013

Permit No. WQ0008013
City of Lumberton
March 31, 1994
Engineer's Certification
I, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project,
Project Name
Location
for the
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation
of the construction such that the construction was observed to be built within substantial compliance and
intent of the approved plans and specifications.
Signature
Date
4
Registration No.

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name 'of Facility: n
Owner or Contact Person: V,. A A&.-I'T.A.tilt !
Mailing Address: P k a�3
County: Lt'1 + o /✓C Telephone:
Present Classification: New Facility_Existing Facility
NPDES Per. N X00 Nondisc. Per. No. ��131-lealth Dept. Per. NRated by: �V) _�.__..._ Telephone: 7V`46Yj_ Date: t ¢
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification(s): Subsurfprq Spray Irrigation LandApplication
Wastewater Classification: (Circle One) II III IV Total Points:
-w lgt--IrMA a •w -e ., w s • e -ram w
�a ��► • �. Fsl 1: ,. I .•.. 1■ i'w. w f 1t;� WOMEN 71 ,. Wit. 71.E
• yl. i• : • � :: 1\ ► Ili i .- 1 �.► � �.' 1: � �. � �. - 1.•.►
SUBSURFACE CIASSIFICA7K)N
(check all units that apply)
1. septic tanks
2� __ _ pump tanks
3, siphon or pump -dosing systems
4. sand fillers
5.. grease Iraphnlerceplor
6. oWwaler separators
7. subsurface treatment and disposal
araviiy
�aressure
SPRAY IRR1C�ATM CLASIS tF1CATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 }
2.
lagoons
3.
septic tanks
4.
pump tanks
5-pumps
6.
sand fillers
7.
grease Iraprinterceplor
8-0111water
separators
9.
disinfection
1D,
chemical addition for
nutrient/algae control
ii.
spray Irrigation of wastewater
Pretreatment of wastewater In excess of ,these components shall be rated using the point rating
system and will require an operator with an appropriate dual certification -
LAND APPL ICATI ONIRES I DUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATM E lT 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/wafer Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic TanklSand Filler Systems consisting only of septic tanks, dosing apparatus, pumps,sand fillers, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preiiminary treatment, lagoons, pumps, disinfeclion, necessary chemical
treatment for algae or nuirient control, and direct discharge;
4. Closed -loop Recycle Systems;
5. Groundwater Remedialion Systems consisting only of pumps, air -stripping, carbon adsorption, disinfection and
disposal;
6. Fish [arms with discharge Io surface waters;
7. ✓ Water Plan[ sludge handling and back -wash waler Irealmenl;
8. Seafood processing consisting of screening and disposal.
9, Single-Iami)y discharging systems with the excep[ion of Aerobic Treatment Units, will be classified if permitted after
July 1, 1993 or it upon inspection by the Division, it is found that the system is not being adequately operated or
maintained. Such systems will be nolified of the classification or reclassification by the Commission. in writing.

r
The following scale is used for eating wastewater treatment facilities: (circle appropriate
points)
rTEM POINTS
(1} Industrial Prelrsaimerrl Urtlls or industrfa3 Pretreatment Program (sae definition No. 33)........... .« .«........... ......_«....4
(2) DFFiGN FLOW OF PLANT IN gpd (not applicable to mn-contaminaled cooling waters, sludge handing
fauihips for water purhicallon plants, totally closed cycle sysiems(aee definition No. 11). and fadlities
Coro -Wing only of Item (4)(d) or Items (4)(d) and (11)(d))
0 - 20,000............. 1
20,001 - so.000.. __...__.................... _. » .,�.......... ............ ............................................. z
50.0c1 1oa,aoo.....» _ » _ _........... ....... _.—....... ....................... 3
100,007 - 25D,000.. _. .. _........ ........ ....«............................. .......... ......................... 4
250,001 - 500,0017..»...«_ .». .._............. ......--...—.................. ............ ..................................
500.001 - 7.tx D,ODO.. _. _ ..._ ..__. _..._ _ .« ......._.««— ...._._...__. .........«........».....�
1,000,001 - 2,000,000........................ ..«. ..10
2.=,001 (and up) rate 1 point add4ionaf for each 200,000 gpd capachy up to a
rrtaxlnwrn of .«....«.....,.«...... «.......................................30
Dessgn Flow (gpd)
(3) PRELIMINARYUNiTSrPROCESSES(s"dal3 kmNo.22)
(a) Bar Screar►s........._...... «_ _._ «... «« _. «. «. .«.... « ....__...... « ....................««.....1
or
(b) Mechanical Screens, Static Screens or comminuting
or
(d) MecYartioal orAsraledGek Removal.« .......««....... ....«...... ......... ................ ...... .......... _........ ............ 2
(e) FlvwWeasurfng Device..,...... «_ _.» .... »...... _«...._.«._...».................. ... _._....................... ..........
1
or
(f) Instrumented Flow Measurement................_........«... .--« -......--. . .. ........._.._------------_----._....2
WPreaeralfon.............. _ ......_..«_ .. .......««...................... «.........._..._...._................. _....2
(h ) 1nfluere flow Equalization ................................._... ...«.......,_.... ... ........................2
(I) Grease or Oil Separators - Gavily.,.._. __ .. .._ �...__._.__..._._.. ......_. _......... ....» ._...2
Mechanicai........ ............... .........................................................................3
Dissolved Air Flotation ...................... ...............
..........
..............
...............
.......
..............
........................ 8
()) Prechlorination..................... .... ..................... ._......... ..._.......... ............... ............... .............................
5
(4) PRIMARYTREATMENf LNIT&PR'OCESSES
(a) Septic Tank (sea definition No. 43)................... _.......... »................. ......... ....:........................... ......... _......
(b) Imho1S Tank....... _._««.......«......—...... ........ _......... _...... —......................... ...... ............... ................. 5
(c) Primary Clarifiers ............. ...... «.................................................................... ..... ....5
(d) Spilling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for
water purificalion plants, sand. gravel, Slone, and other mining operations except recreational
activities such as gem or gold miring) ............... ............................... ......... «............... ................................
(5) SECONDARYTREATMBWUM &PROCESSES
(a) Carbonaceous Stage
(t) Aeralfon-High Purity Oxygen Syslem...................... _....................................................... 20
DiffusedAir System ............................ ........................... .................. ............................ 1 0
Mechanical Air System (fixed. Itoating or rotor) ............................................. .._...-----8
Separate Sludge Reaeration...........................................................................................3
{n) Trickling Filer
HighRate .... __.................... ............. _........................................ .................................... 7
Standard Rate................................................................................................................5
PackedTower................................................................................................................5
Biological Aerated Fher or Aerated
Biological Fiher.............................................................................................................1 0
(iv) Aerated Lagoons ............. .......................... .............. _................................................... 10
(v) Rotating Biological Contactors......................................................................................10
(VI) Sand Filters -Intermittent biological. ...................... ........... ................... ._................ ........... 2
Recirculating biological........» .................................... .•..,.._........._......_........_.._......_.......3
(vie) Stabilization Lagoons............................................................... ......................................
(viii) Clarifier ....... _............................................... ............... ............... _................... _._..........
(Ix) Single stage system for combined carbonaceaus removal of BOO and nitrogenous
removal by nitrification (see definition No. 12)(Poinis for this hem have to be in
addition to Items (6)(a)(i) through (5)(a)(viff),
utilizing the extended aeration process (see delinhion No.3a)...........................................2
utitizing other than the extended aeration process ................... -............ ...................... .... 8
(x) NuNenf additions to enhance BOO removal,................................._..................................5
(xi) Biological Culture (-Super Bugs')addiSion........................................................................5
(b) Nitrogenous Stage
(1) Aeration - high Purity Oxygen System_..........................................................................20
DiffusedAir System.......................................................................................................10
Mechanical Air System (fixed, floating or rotor)..................................................................8
SeparateSludge Reaeration.............. ...................................... ........................................3
(if) Trickling Filler -High Rale...._.............................................................................................7
SlandardRate...............................................................................................................5
PackedTower................................................................................................................5
(iii) Biological Aerated filter or Aerated Biological Filter ........... _............. ..................................10
(iv) Rotating Biological Conlactors......................................................................................10
(v) Sand Filter- Intermittent biological...................................................................................2
Recirculating biological.....................................................................................................3
(vi} CwTar...................................... ......................... ........... ...............................................
(6} TERTLARYORADV4NCEDTREATMENT LNITS/PROCESSES
(a) Activatad Carbon Body, -
wilhoulCarbon regeneration ... ................... ............................ ............... .................................. 5
with carbon regeneration... .................................................................................................... 15
(b) Powdered or Granular Activated Carbon Food -
without carbon regeneration.................................................................................................5
withcarbon regeneration....................................................................................... 15
(c) Air stripping .................................................................................... ............5
(d) Denitritication Process ...................... .............................. .......................................................................... 10

(e}
Eleetrodialyds.. �....�..........�.......».»..-...._..._.�......_»...».»_..,..._....�._..........................»..S
(f)
Foam
(g)
Ion EYChallge...-.-._._..............»...«......-__._....-..........._...._».»...»-...-............-....................r...-,_.............�i
(h)
Land Application d Treated Effluent (ses definhhon No. 22b) (rot applicable for sand.
gravel, stone and other similar mining operations) by high rate
(1}
MiCrosCreens.......... _..-_...»». » _ _._ .....5
{[J
Phosphorous Removal by Biological Processes (See deSirlh)on No. 26). »..-r .- ,......................... 20
(k]
Polishing Ponds - WIhout aeration........ ............ ...........
withaeration__. ........... .. ..».. _. _ . » .»........... ..» _.»..5
(1)
Post Aeration - Cascade. ...........................
dltlused or mechanical.......»»».._,»..»...........».................._..........................._2
(m}
Reverse Ofrnoel6.............. _........ _..... ........................................ ........... ...... .... ........ 5
(n)
Sand or hAixed-Media Fitters - low rate._.._.-.._.-._....__....._... »...»..... _....._... ..._...._...._..._......-2
Nghrate ...................................... ..__...... ..............
(o)
Tmalmeni processes for removal of metal or cyanide ...............»............................... ......... .. ,...._.._...._1 5
{p)
treatment processes for removal of toxic materials other than metal or cganlde.. .___....,»..-...»... _ _.-._.15
(7)
SUX)GETREATWEgT
(a)
Sludge Digestion Tank- Heated. _ ...... ....., » »«» ......._. ^.....« » .».......»10
Aerobic E
Unhealed 3
(b)
Sludge Slabilizal)on (chemical or lhrrrrtal)..». ».... » » .... «� «...» ... ....... _._. .... ...........5
(C)
Sludge Drying Beds • Gravity......... ...»».»..._.....»..»........................................... .............................2
Vacuum Assisted ........... ...................... ..»..............-................ �.._..»...».» ..»...».....» ........ .S
(d)
Sludge Fluidalion........ .......................... »»...........».......»....------ .»............................................... 6
{e]
Sludge Conditioner (chemical or thermal}....... _».....».__ ._..........._.........» .. ..».» ...».....5
{f]
Sludge Thickener (gravity) ......................... ............................. .............. .__.....» »»»..».»..»....... ....5
(g)
Dissolved Air Flotation Unit [not applicable to a unit rated as(3)0)).......... ............ ».............. ............... ...... e
(h)
Sludge Gas Utilization (Including gas storage)............... ....»_..._.._ ... » _..... .......
(1)
Sludge Holding Tank - Aerated ............ ..»._ .......... ............................... .».................... ........... ...........
Non -aerated .............................. ............................... ......................... ._... .......... ».......... ........ ................ 2
{)1
Sludge lnclnerafor (nol Including activated carbon regeneration)..............................................................1 D
{k)
Vacuum fritter. Centrifuge, or Etter Press or other sfmllar dewaterirg devkee. __ _ . _ _ _ _ 10
(B)
RESIDUALS UTLLrzATIOWDISPOSAL (including incineratedash)
(a)
Lagoons. ...... ......................................I...........................2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operalof or landliff operator who holds 1ha land
application permit or landVIi permit..............................................................»......................._...................2
(cJ
Dedicated Landfill(burial) by the permutes of the wastewater treatment faculty...».....»..................................5
B
( ]
(a)
Chlorination ... ».............. ............ _........................ ............ ............... ._................... ...................... ............ 5
(b)
Dechtorination................................................... »..................................................... .. .................... I..........
(c]
Ozone ............. _ ......... .... ».............................. ...... ....... .......................... ....... ........
(d)
Radiation................................................................................................................................. ............5
(10)
CHEMICAL ADDITION SYSTEM(S) ( see definition No, B) inot applicable to chemical additiore rated as Item
(3)Q), (5)(a)(xl),
(6)(a), (6)(b), (7)(b), (7)(6). (9a), (9)(b) or (9)(c) 5 points each:
List.......................................
_......................... ......................................................... .........5
-.»...................................................... .............»..............................................5
................................................................................».........._.................................5
............. .................................. »................-....»........»........_........._..........._...._...._._..5
(11 J
MISCELLANEOUS UNIT&PA:)CESSE.5
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes
from mining operations ccrxaining nitrogen or phosphorus compounds In amounts significantly
greater than is common for domestic wastewater .................... .................... ............................... ................ 4
(b)
Effluent Row Equalization (not applicable to storage basins which are Inherent In land application
Systems) ........................................... ......2
{c)
Stage Discharge (not applicable to storage basins Inherert in land appllcauon systems]....._..._ .............. 5
(d)
Pumps........ ... ..... ....... ..... ........... ................................................................ ... ................ ..................-......... 3
(e)
Sland-By Power Supply............................................................................................................................2
(l)
Thermal Pollution Control Der+ce........................................... :..................................................................... 3
TOTALPOWTS..........................................................................
,► . � 7 _ aka
Class I ................... ».................... ........................... _.................................... 5-26 Points
ClassII.........................................................................................................26.50 Points
Class III .......... »............ ...... ......................................................................... 51-65 Points
Class N...................................................................................... .....66-Up Points
Facilities having a rating of one through four points, Inclusive, do not require a cenffied operator.
Facilities having an activated sludge process wfe be assigned a minimum clan illicaGon of Class IL
Facilities having treatment processes for The removal of metal or cyanide will be assgned a minimum classification of Class It.
Facilities having freatmera processes for the biological removal of phosphorus will be assigned a minimum classification of Class III.
.00014 DEFNIVONS
The following dalrritions &lull apply evough*ut this Schdwptw.
(I) Act-lod Carbon Bads. A physicefrchamiuf mathod for reducing &*table organist malwial horn waslewater elRuent; The colunm•typa bads used in Ras method will have
a flow rate varying hom two to aighl pailom pet minute par squats too; and may be either upsow ce dowrtf% r carbon b&ds Carbon mey ce nay not be ragerteraled on the
wlstewafer te&a*nanl plant site:
(2) Aerated Lagoon&. A basin in which all solids are naintaKed in suspanaion and by which biological oaidafon or organic martu is raciuced through artiReially accOwated
transfer a1 osgen on ■ Iliwr4 rough basis;
(3i Aeration A pocoss of bringng sboV. tnomte comarl between air a nigh purity oxygen An a liquid by spraying, tigilalion or diffusfong3a) tiaundeo Aeration. An
■ctival►d sludge process utilizing a rrifin m hydtaLtic delention Ime of 1e hours.
(a) Agnculcrally msated rile. My Ails oo which a crop is produced, managed- and harvested (Crop inrludec tresses, grains, tees, e1c.l.
(5) Ail Stripping A process by which the ammoni,fn ton Is Rnl corrvsrted to dssoNed ■mmmia (pH adlulanont) with the sm'noris than fola&sed to dw sbnasphw& by
physics] means; a other sirritar potessas which rsmove paedaum peodxis such as borryene, loluona, and sylene;
(d) Carbon Raganwation The regenwaaon of ashvmfed cetbon by the use of a furnace to provide eatrarneky high 1"oralures which vofahfixe and asidtia eta absarbad
impuriti& s;
(7) Carbonacacus Shape A stage of w&slewaler reaimArrt dasigned to acli&ve 'a&eend&rr- ellusnt limits;
(6) Ce-rit,ye A mechanrral %g ica in wNeh esntriNgal icece It used to seperats solids frors r,Wds or so separele fig4ids of niMerent densioas:
IS) Ghemrc.' A461len Systems. The adation of chencal(s) to was,wralet 1; an appliNtfon peril for Wposes of improving solids iomoval, pH ady'utrirom, alkallniry control,
etc, V. cap.Wlry to asperirn.nt jet d,tterenl charricals and Wlerent &pptrcalion points to athiwo a speciRc resuh win be considered one &yslall-rho capability to Add

F dvrriral(a) to dual units Wig be rated as one systarrl; capability to add a dimrrical at a dillerant application polyds for difforant purposes w,11 result In the systems being
farad as separate systems;
(ta) Ctasrriul Sludge Corelticrinig. The addition of a chemical cornpounci such as fwne, ferric chloride, or a polymer to wet sledge to coalesce the mass prior to tts
application to a dowatartng device;
(it) Closed Cycle Systems. Use of holding ponds or hoiding talcs for ear"murd of wastewater containing Lnorgaric, noreloxlt materials from sand, gravel, crushed
tr?%or other almlw operations. Such systems shall carry a nax1ratm of two Points regardless of pumping facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous SOD and Mttrogonous Ramovah by Nitrificalicrf A single stage system regired 10 achieve pemtil effluent limits on SOD and
WzlMCrJa nitrogen vithln the same blologicef reach;
(13) Dechfoeinatirn. The partial or complete reduction of nsidual ehfoeim In a Itgrid by any dwrricat or physical process:
(11) Derisificalion Process. The conversion of n1ralls-Ntrogen to ritiogon qat:
(IS) Eiacuodlayslt. Process W renwvirg-ionlzod "Its from wafer Waugh the use a1 Wrt-se(actrvo larrsxchangs meoribranas- -
(l6l Etter Press. A process oparatocl mechanically for partially dewalvrtnq sludge•
(17) Foam Separation, The punned frothing of wastewater or was:owalor effluent as a means of removing excessive amounts or tistergeril "Lariats through the
Introduc5on of air in the form of One bubbles; also called loam froctionalion;
(it) Grit Removal. The process of removing 961 and other heavy rrinecal matter tram wastewater;
(i9) In -hall Tank A loop two story wastewater tank consisting or an upper teditnonrlatiors eharribor and a lower W1 idgo digestion eharnbot.
(20) kulnutstrited Flaw Aiaasu •moot. A device which Indcatos and records rote of low;
(21) Ion Exchange. A chemical process In which [ors cram two dfleronl molecules are exchanged;
(22) lard application:
(a) Sludge Disposal. A Anal sludge disposal method by which wet sludge may be applied to I" Char by spraying on the surface or by subsurface Irsjection (i.e.,
ehisai plow); [not applicable tar types of studga doscribad In (t I) of this Rule];
(b) Treated Effluent. The process of spraying treated wastewater onto a land area or other m4lhods of application of wastewater onto a land area as a rnears of Anal
disposal of reeimerri; -
(23) llicmosaeen. A low speed, continuously bscit•washed, totaling drum ydlsr operating Linder gravity conditions as a poishing method lot nmoving suspordmd solids
from affivenl:
(24) Mstilication Procsss. The biochemical comacsion of unozldzod nitrogen (ammonia and orgaric nitrogen) to oxidized rittogen (uswily rdtrale);
(25) Nilrogenow Stage. A *operate ttago of wastewater treatment designed for the specific purpose of corw"nq ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biolopcsl, The removal of Phosphorus, from wastewater by an oxkhnoxic process designed to enhance luxury uptake of phosphorus by the
fniuoorgardsrns:
(27) Pdesh6ig Pond. A holding pond brooring secondary treatment with sufficient detention time to allow settling of Andy suspended sofrds;
(26) Post Aeration. Aeration following conventional secondary treatment urits to Inttoasit effluent D.O. or her any other purpose;
(29) Post Aeration. (Castods) A polishing method by which dissolved oxygen 1s added to the •fluent by a nonTAcarical, gravity means or flowing dawn a series at
steps or weirs; The now occurring across Cue steps or weirs moves in a fairly Din layer and the operation of rho cascade requires no operator adjustment thus. xaro
poimis arm assigned even though this Is an essential slop to rnwaling the 6rritx of IM discharge pormh:
(30) Powdered to Granular Activaled.Carbon Feed. A biophysical carbon procoss that utilizes biological activity and orgardc absorption by using powdered or granAar
activated carbon; Yvgn or rogerwraled carbon is Issd cordrdled Into the system;
(31) Pioaeratiom A tarsal constructed to provide aeration prior to primary Inaiment;
(32) Ploli niiury tkils- W1 operations In the troalrrwnl process, such ss scroening and cofrrftinitioq that prepare the liquor for subsequent major operations:
(33) Industrial PreUeatrnord,
(a) Pie•treatrnorit Urit, Industrial. The conciliating ai a waste at Its source berate discharge, to romovo or to netr6alhzr substancos Injurious to sewers and treatment
Processes or 10 effect a partial reduction In load an the troaMW process whir3n Is operated by sue same governing body as the wastewater treatment plant being
fated;
b) Pto-troatnteal Program, industrial - must be a Slats or EPA required program to receive points on the rating shoot;
(34) Primary U"fiers. The first settling t"s vywgh which wastewater is passed in a treatment works for the purpose of removing settleable and suspended solids and
800 which Is associated with Cie solids;
(35) Pumps. AN influerr,, ehluent and hrrplaril pumps;
(36) Radiation. Disinfection or siwilizaGon process utilizing deices emitting ultraviolet or gamma rays;
(37) Reverse Osmosis, A treatment process In which a heavy contarrinaled Algid Is preskdrized Dyough it membrane forming nearly pure liquid free Irom suspended solids;
(3A) Rotating Vological Contractors, A fired biological growth process in which waslawalor flows through tanks in which a series of parlally submergod circular surfaces
are rotated;
(39) Send Filters-.
(6) Inlerniftent Biological. Filtration of affluent lollowing septic tanks, lagoons, or toms other Lisaimeni process In which further biDdecomposltion Is expected to
produce deslied Ofluanls; Hydraulic loading rates on those fine(: are compVed In ppdrac and have a rosULing low gprrvsl pass than ono);
bj Rscireuiating biological - the stow type of sand Alter as deAried in Subparagraph (39) (a) of Ifus Rule with the added capability fa facyde affluent back through tow
sand litter;
(40) Sand or Mixad•kleda Fillers, A polishing process by which effluent limits are achievod through a hither reducfan at suspended solids;
(a) low rate g•avily, hydraulically loaded filler with loading rates In trta one so three f tan
9P'hrs 9B:
(b) high rate •• a Pressure, hydraulically loaded filter with loading rates In ria five gpmfsf range; A; any rate, the loading rate will oxcemd three gptwst
(41) Secondary Clarifiers. A Lark which Idiows the biological drat of Irsahment plant Arid which has In* purpose of removing sludges associated witlh the biological
treatment units;
(42) Separats Sludgs Reparation. A part of the contact stabilization process whers the activated sludge Is tanslemed to a lank and settled before returning It so the
contact basin;
(43) Septic Tor*. A single -story touting tank In which semfed sludge Is h contact with De waslewakor flowing through the lank; shall not be applicable tar sspik tank
systsms servng single [airily rosidonces having capacity of 2,00o gallons or lots which discharge to a riuification Avid;
(Ms) Sludge Digestion, The process by which orgaric or volatile matter and trudge Is gaslfiod, liquefied, mineralized or convened into more stable organic mailer Waugh
the AcWty of living rgarisms, which includes totaled holding tanks;
(45) Sludge Drying Beds. M area comprising natural or artificial Isywz or paws rnatorials upon which digested sewage sludge Is dried by drainage and evaporation;
(46) Sludge Elutriabcn, A process of sludge conStioring In which certain constituents are removed by successive washings frith fresh water or plant elfluant;
(47) Sludge Gas Utilizaiion• The process of using sewage gas for the put -pose of hosting buildings, driving enginos, etc.;
(44) Sludge Molding Tark (Aerated and Nonaeraliio. A lark ullized foe zmali wastewater troalmenl plants not contaWng a digester in which sludge may be kept fresh,
and supwnaunl wiihd-awn prior to a trying rnwthod (i.e, sludge drying beds); This may be done by adding a small amount of air sirnpiy to keep ttw sludge fresh, but not
necessarily an amount that would by regaited to achieve stabilisation of agaric matter. A non_aeraled tank would simply be used so derant sludge prior to dowatering and
would ral allow long periods (several days of 00volion) without rasulling odor problems;
(49) Sludge fnc'insralors, A Arnaca designed to bum sludge end to remove all moisture and combustible rrsalerials and reduce the sludge to a slorile ash;
(50) Sludge Stabilization (Chemical or Thermal). A process fo make treated sludgo less odorous and putroscible, and so reduce the pathogenic orgaism conlonl; This mry
be done by pH adjustmenl, chlorine dosing, or by Mal treasmant;
(51) Sludge Thickener, A type of sodirnoniation tank In which the sluego Is permitted to softie and thicken Urough agitation and gravity;
(62) Stabilization Lagoon. A type of oxidation lagoon in which biological oxidation of orgaric mailer is effected by natural transfer of oxygen to the water from air (not a
polishing pond);
(53) Stand -By Pawor Supply, On silo w poriable electrical generating equiprnmi:
(`_-t) Static Screens, A stationary screon designed to remove solids, inciudng non•biodogradable particulate (floalabre solids, suspended solids and BOD rerkiction) from
municipal ■cad industrial waslewalen traar'nenl systems; _
(SS) Tortisry Tra"m6ril. A stage of treatment ldlowing secondary vetieh is primarily for the purpose of eniuerd polishing; A sotding lagoon or sand or coal filter might tsa
empoyad for this purpose;
(56I Thermal PdMon Conlrol Device. A device providing for the transfer of hical hom a Auid flouring in tubes to anotlior luid onside the tubes, or vice vorsa; or other
moans at ro2valing tiWid temperahrtos-
(57) Therrnal Sludge Conditionei. A condtioxning process by which heat is adder for a protracted period of time to improve Cie dewalerability of sludge by the sD;ub(Itzing
and hydauliz+•ng of the smaller and more highly hydrated sludge panicles;
(59) Toxic tiatatials. Those wastes err combinations of wastes, Including diseasa•causfrg agents which alley discharge and upon exposure, ingestion, inhalation or
Assirrilalion into any organism• eiihor directly Irom the envirorvnonl or sndretly by Ingestion through tool chains, will cause death• disease, behavioral abnormalities,
cancer, gena;c mutations, physiological malfunctions (ncludng malfurctiom in osproduction) or physical delormatioos. In such organisms or their offspring; Toxic materials
include, by way of Glusiration and net (irritation: lead, cadmium, chromium, mercury, varszdum, anseric, zinc, ortho•rrtro-chlorobanzerie (ONCB), polychtorinalod biphonyls
(PCBs) and dchlorodphonyl trichvoroelhane (DDT); and any other materials that have ce may hereAllet be deterrTined to have loiic properties;
(59) Trickling Fdtm. A biological uoairnont writ consisting of it material wch as txd:on stone or rock over which w2Sl9w21er is disciburod: A high r;:!a trickling lillor is ore
laid% operated at botw•con 10 and W mgd per acre. A low fate trickling filler is cow which is dasigrod IQ operate At one to lour nV por acto;
ire) Trickling Fa:pr (Packed Tvw•oij. A pJug Aow typo of operation in w4ch Wiatewatet flows down Ihvo:gh succoss-ve layers of mods o' ril:rnle material: Ggarir mei Evict
is rrmiovod continually by the activo bidogicai A.r,,J growth in oath successive layer. Tres method may p,odu:o 'secondary- quality offtueisl• or may bo edeplec Ili
produce a ritriliod orihnPnF
(61) 1'acv.am F-ner, Comtrik-ges• or Rnlor Prcaos Docicos which are dasignec a romsove ot,cocs wooer Pont oithly dgoslM a' undgostud sludge prior to dspetel r,
lurtlipf Irnadmenl,