WQ0010197_Final Permit_19950131

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
Mr. John Eapen
American & Efird, Inc.
American Street
Mount Holly, North Carolina 28210
Dear Mr. Eapen:
January 31, 1995
• •
1:3EHNF?L
►,
Subject: Permit No. WQ0010197
American & Efird, Mount Holly, N.C.
Water Treatment Plant Modification
Settling Lagoon for Alum Floc Basin
Wastewater Recycle System
Gaston County
In accordance with your application received October 25, 1994, we are forwarding herewith Permit
No. WQ0010197 dated January 31, 1995, to American & Efird, Inc. for the construction and operation of
the subject water treatment plant settling basin wastewater recycle system. Please be advised of permit
condition No. 22, which states the bottom of the subject settling lagoon shall be constructed at an elevation
of no lower than 585 feet (mean sea Level). .
This permit shall be effective from the date of issuance until December 31, 1999, and shall be
subject to the conditions and limitations as specified therein. Please pay particular attention to the
monitoring requirements in this permit. Failure to establish an adequate system for collecting and
maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of 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. John Seymour at [phone].
Sincerely,
o 0.�.�C�. wo,
A. Preston'�ioward,
cc: Gaston County Health Department
Mooresville Regional Office, Water Quality Section
Mooresville Regional Office, Groundwater Section
Central Groundwater Section, Jack Floyd
ERM Southeast, Inc.
Training and Certification Unit
Facilities Assessment Unit
,� ' E
Jr., P.E.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
RECYCLE 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
American and Efird, Inc.
Gaston County
FOR THE
construction and operation of a 6$,000 GPD settling basin wastewater recycle system consisting of 1.0
million gallon unlined settling basin to remove solids from the existing alum floc basin drain water and
existing sand filter backwash facilities wastewater, the pumping facilities to pump the clarified water back
to the head of the water treatment plant raw water reservoir, and all associated piping, valves, controls and
appurtenances to serve the American & Efird, Incorporated's Mount Holly, N.C. Water Treatment Plant
with no discharge of wastes to the surface waters, pursuant to the application received October 25, 1994,
and in conformity with the project plan, specifications, and other supporting data subsequently filed and
approved by the Department of Environment, Health and Natural Resources and considered a part of this
permit.
This permit shall be effective from the date of issuance until December 31, 1999, 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 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. 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, and other supporting materials. Mail the Certification to the Water Quality
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 take immediate corrective action, including those
actions that may be required by this Division, such as the construction of additional or
replacement treatment or disposal facilities.
7. The Mooresville Regional Office, telephone number 7041663-1699 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 residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
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 settling lagoon 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 wastewater recycle 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
P_ermittee 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 of
Environmental Management or other permitting authority, upon request.
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 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.
17. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15A NCAC 2H .0205
(c)(4).
2

18. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
19. 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.
20. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
21. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, telephone
number 7041663-1699 as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or fast 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 renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
directly to receiving waters without treatment of all or any portion of the influent to
such station or facility; or
d. Any time that self -monitoring information indicates that the facility 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.
22. The bottom of the subject settling lagoon shall be constructed at an elevation of no lower
than 585 feet (mean sea level). This elevation (585 feet) is to avoid contact with the
seasonal high water table and to adhere to North Carolina State Regulations, under
Administrative Code Section 15A NCAC 2H .0219.
23. Waste shall not be applied or discharged onto or below the land surface when the vertical
separation between the waste and the seasonal high water table is less than one foot.
24. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
25. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is
for the disposal system constructed after December 31, 1983 is established at either (1) 250
feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is
closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or
beyond the Compliance Boundary is subject to immediate remediation action in addition to
the penalty provisions applicable under General Statute 143-215.6A(a)(1).

In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the
disposal systems midway between the Compliance Boundary and the perimeter of the
waste disposal area. Any exceedance of standards at the Review Boundary shall require
remediation action on the part of the permittee.
26. No additives shall be used in the subject unlined settling lagoon without written
authorization from the Division, due to the proximity of the groundwater to the bottom of
the unlined lagoon and adherence of North Carolina State Regulations, concerning
groundwater standards.
27. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator, must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
28. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
Permit issued this the 31st day of January, 1995
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston ward, Jr., P E., Director
Division ofOnvironmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0010197
4

Permit No. WQ0010197
January 31, 1995
M" 191 DIMIM&WIA I I a ISKII 9 LIN
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the
project, >
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 this permit, the approved plans and specifications, and other supporting materials.
Signature Registration No.
Date

IN
0
1
�j
,�.`
W
a
�
17'30
i II �A��ni� �'ros
9

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility: ArnE7yzi pmA jl-MtR6- L&Tnj ! - r
-*caner or Contact Person: 3a EA
iling Address: „�- �� ! o
county: (p".s-rurvl _ Telephone:_ -:7rc,4 -- SZZ- "14
Present Classification: New Facility ✓ Existing Facility
NPDES Per, No. NC00 Nondisc. Per. No.WOcx)� c\ 4 Health Dept.Per No.
Rated by: V,,PA N, Cc>n_soN /b`(hRO Telephone: a4iq411
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: `~— Telephone:
Check Classification(s): Subsurface Spray Irrigation Land Application
Wastewater Classification: (Circle One) 1 11 111 IV Total Points: Z /t/b!?A-77"1G
SUBSURFACE CLASSIFrATION
(dned( all units that apply)
1_ septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4, sand titters
grease trapliinterc eptor
oil/water separators
_gravity subsurface treatment and disposal:
B. pressure subsurface treatment and disposal:
spPAY l pr2ATcN CtAssIRCATION
(check all units that apply)
1.
preliminary treatment (definition W. 32 }
2.
tagoorts
3.
septic tanks
4.
pump tanks
5.
pumps
&
sand fillers
7_
grease traportnteroeptor
B.
oillwater separators
9-disinfection
10.
chemical addition for nutrientlalgae control
11.
spray irrigation of wastewater
in addition to the above classifications, pretreatment of wastowtiter in excess of these components shall
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATIONIRESIDUALS CLASSIFICATIC+i`i (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACiLiTY CLASSIFi ATICN
The following systems shall be assigned a Class i cLassificaiion, unlEsa the flow is of a significant quantity or the technology is unusually
nompiex, to require oonsideration by the Commission on a case -by -case basis: (Check i Appropriate)
1. OWwater Separalor Systems consisting only of physical separation, pumps and disposal;
2 -Seplic Tank/Sand Fitter Systems consisting only of septic tanks, dosing apparatus, pumMsand filters, disinfection
and dired d'rs�;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrlerd cordrot, and clued discharge;
4. Cksed400p Recycle Systems;
S Groundwater Remedwalon Systems consisting only of otl/water separators, pumps, alr-stripping, carbon adsorption, disinfection
and d1s;Xn i;
8. Aquaculture operations with discharge to surface wider$;
7. Water Plant sludge handling and back -wash water treatment;
Seafood processing consisting of screening and disposal.
Single-family discharging systems, wlfh the exception of Aerobic Trealmer# Units, will be classified I permitted after July 1.
IM or I upon inspection by the Division, I Is found Ihm the system is not being adequately operated or maintained. Such
systems will be notified of the classification or redaasMcation by the C«nmission. In writing.

The following scale is used for rating wastewater treatment facilities: (circle appropriate points)
ITEM POINTS
(1) Industrial Pretreatment Units or Induarial Pretreatment Program (see deflnkbn No. 33)...................................................4
(2) DESIGN FLOW OF PLANT IN gpd (not awlicabie to non-comArninaled wofing waters, sludge handing facilities for
scaler purt"lion plants, totally dosed oyde symms(see definition No. 11j and Iscilhies oonWsling only of hem
(4Kd) or Items (4)(d) and (11)(d))
0 - 20.000............ ........... ............. ........ .................... ......................................................... I ................. 1
20,DD1 - bo,0oo..... »...............................................................................................................................2
50.001 - 100.000......._.......... ....... »............................. .............. ....... ...... _..-.......... .„...................
100,001 - 250.000........................... ...................... ....... ..................................................... ..................... A
250,001 - 600.000..........................................»..........................._......................._..........._..................21
500,001 - 1,000.D00.............................................„..........................................»..................................a
1,D00,001 - 2,000,000...... .. ..., ..... ..... ........ ...... ...............10
2.000.D01 (and up) rate 1 polrr additional for each 200.000 Wd capacity up to 0 maximum of .._..„„....30
Design Flow (gpd)
(3) PRELIMINARY
LINITSIPROCESSES (ase definition No.32)
(a)
amScrowN...............................................................................................................................................1
or
(b)
Mechanical Screens, Static Screens or Comminuting Devlas..........................................2
(C)
Grit Ramwsl.... ...... ............................ ...................................................«................................I...............1
or
(d)
Mochwkf al aMratedGrit Removal ......... ...»...............................................................................................2
(a)
Fbw Measuring Device ......... .................... ...»........... ...... ............................ ............ ......... .._..-................... I
or
(1)
Inatrumerted Flow Measurement ............ ........... ............................... .................... _.....................................
(g)
Preaeratlon... ..................... ................».».............................................................,......._........._....._............2
(h)
influent Flow Ecio0zstion........................................................................................................................2
(1)
Grease or Oil Separators - Grtvtty.„...__.._»......_....................................................................... 2
Machanlcat............. ............... ..... ........... ....................... ................. ................................................3
Dissolved Air Flotation, ....... ......................... ................................... .......... ............................................
t11PrachbAnation
... ................... .............................................................................................„....................5
(4) PWMAR{Y TREATM84T LINITSIPPOCESSES
(a)
Septic Tank (sea definhion No. 43)...... ..»... ............................. ..... ......._.................................. 2
(b)
Imhoff Tank . .. ..... ....................................................... ......... ..... ...................... ...............................
(c)
Primary Clarltlers............................................ .».................... ..... .................................................................
(d)
Seniing Ponds or Settling Tanks for Inorganic Non -toxic Materfak (sludge handling facilities for water
purif"tion plants, sand, gravel, stones. and other minirg operations except recreational activities such as
orgold Mining)....... ................................ _.......................... ........ ................. ........ ........................ .2
(5) SECONID .RY TREATMENT INTSrPFOCffiES
(A)
Carbonaceous Stage
(I) Aeration -High Purity Oxygen System ......................_.......... ........_.. .... ..._.... ............ .20
Diffused Air System .......... ........ .........................................-....._._...........................-10
Mechanical Air System (flied, floating or rotor) ..._... _._.._..._..._..._..._..r..._..._..._....0
Separate Sludge Reasratlon........ ............................................. .............................. 3
(It} Tricldlng Rker
HighRate.. .... _..._«....................... ................ ...... ................................... 7
StandardRate ............... .. »............ ........._...........«............................5
PackedTower.. ............ ........... ............................................ ........ .5
011) Bfokocal Aerated Flfter or Aerated Slobgleal Filter _. _._ .. ._ ._ «».__ .__. _.10
(IV) Aerated Lagoons .............. ........... ........ ».......... »...... ............ ......... ....................... 10
(v) Rotating Biobgicsl Contactors........... ..„.......„.........„._.................. ...... ....................... 10
(vl) Sand Filters-intermitterri biological......_.........................................................2
RecirculatingblDfogical.__.....„....._............. .....».........................................................3
(vll) Stabilization Lagoons ...... _..........__....._._.._..__.........._...._._.. ..... ..............5
(v81) Gar!!ler................ .... ... .. ......... .................... ..5
(ix) Single stage system for combined carbonaceous removal of SOD and nitrogenous removal by
rArirrcatlon (see dellnitbn W. 12)(Points lot this hem have 10 be In addition to Items
(5)(*)(1) through
utlltring the erlended aeration process (sae ddWWn No.3e)...........................................2
utotzing other tfun the extended aerstlon prtxeea...._._._..... _ .�_ ... ..._ ...s
(x) Nutrient addif" to enhance SOD removal ..... ........ „.»......... -......... ,....«.... ...................... 5
,(XI) Biological Curium ("Super BuQs'}addribn................... ..._... ....................... ......... 5
(b)
Nitrogenous Stage
(I} Aeration High Purity Oxygen System. _.._«...._.._».._...»...._..---._.».«.»._..20
Diffused Air System...... ....... .. ...._ .._........« ...........10
Mechanicat Air System (nixed. floating or
Separate Sludge Reser�ion........_....». .. _ ...... .._....................»...............,..9
(11) Trlcitltng Fllter-High Rate ............._.... .......................... ...... ....... .......................... 7
Standard Rate............ »..... „ ».......... ....»......_..............5
PackedTower.. ................................................... .5
(Ill) Bloocai Aerated Filler or Aerated Blobgicd 0
(hr) Rotang Biological Conlactors. _.._ _ ._......._ ......._........ .»»....„.„.......10
(v) band F1Ker - intermilerz biDlogkal..„ ... _........ ..._....». .. ._..._.. ...... ..2
Recirautating bloiogloal................... „ _ ... ._ .. „ ._ » ...»........._.9
00 clarfsr............ »...».�_..,...._.».... _.....»....» . _.». » ............. 5
Is) TERTIARY OR ADVANCED TREATMeg L1NIi561a7CESSES
(a)
A 0vasad Carbon Beds -
without carbon ngeneratlort » . ..» . ....«._ ..... ..« ............ �.„..«...»5
wkh carbon rage reratfon.
(b)
Powdered or Granular Acl)valed Carbon Food -
without carbon ragensratlon. _ ...._ .. ... ........_ .... _... __�.. »». 5
withcarbon regenentforr..... _. » ..«........_._.......... ._ .. ,. _..... « . .._ .._..1 S
r
D �k4Udon
(d)
Pruwss :� �: : »r ::.:� �� . . ::— _ .:::- ::
ElectrOdlalysfs. ...•5
(•}
f)
Foam
(g)
ion Exchange... ... ... �... ,.5
(h)
Lard Apptleallon of Treated Effluent (see defkWon No. 22b) (rot spplkable for sand, gravel. worn
and other simflar rrdning operations) 6y high rate
(1)
Mlcroscrsens.. ... ........ .. ........._. ........... ... .. _.. _ . _.5
(()
Phosphorous Rarroval by Blological Processes (See definition No. 26)....... . ......... ..._ ..... ....,._ »20
(k)
Polishing Ponds • without aeration..............._..................................»...............................................«....2
withs►raflon.._. .. «. » ........... .... »......_ ...... .... ...«....5

diffusedor mechanieai................................................... ».................... ............................... 2
(ml
Reverse Osmosis.. ...................»........._................................................._......................................5
( n )
Sand or Mixed -Media Fillers low rate ............................ .............................».............._.._.............._.._.___ .2
-
.......». ...................
(o)
Trestm�ses ert proofor rammal of metal or cyanide..................................................... .............t 5
( p )
treatment processes for removal of toxic materials other than metal or ryanida... _.... .... .... 1 S
(7)
Si l 15TREATMEr1T
10
(a)
Sludge Digastion Tank Heated (anwrobic)............... .... .....................--- _-..---- -------- ----. --_----.
Aerobic..... ............».......»....»............... ...... ....»............................................ ................... ......... S
Unheated(anaerobic). . .. _.............................. ................................................ ................... 3
(b)
Sludge Stabilization (dwnloal or thermal) .................. ......... ........... ....................... .»... ............................... 6
(c)
Sludge Drying Bed* - Gravity ... ............. ........... ..................... ............. ....... .... ... .............. ................... 2
VacuumAssisted.........................».............................................................................._..............._...........5
(d)
Sludge Etutrfation................................................ ...................................................................5
ditl(0) Sludge Cononer(chemical or thermal) ........ ........................................................ ..................................5
(1)
Sludge Thickener (gravity).........................................................................».......»..............................5
(g)
Dissolved Air Flotation Unh [not applicable to a unil rated as(3)(01...................... ....... ............................. a
(h)
Sludge Gas Utilization (including gas storage) ................ .......... ..................... ........ ............ ................. 2
(i)
Sludge Holding Tank Aerated ....... ................................ .......... ........................... »........... ...... ................
{f1
Non- ae rated ............... .».. ........................................................... _................... 2
Sludge Incinerator (rat including activated carbon regeneration)................................................................to
(k)
Vacuum Fihw, Centrifuge, or Filter Prom or other similar dawatering devises.._ _ ».. ... _.. ».. ..... ..»_._.t o
(8)
RESIDUALS
LMLIZATK"DISPOSAL (including incinerated ash) '
(a)
Lagoons............................................................. ............ .................................................... .... ........ ...... -
(b)
Lard Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
(e)
orland ill permit........................................................................................................................................2
Dedicated LaraiSill(burial) by the permfttee of the wastewater treatment faeklRy ...............».............5
(9)
DGWECTION
(a)
Chlorination .......... ....... .................................«.«....._.._.......«......»........................................ ..,............. 3
(b)
Dechlorination..... ..................................... »............................................................................................S
(c)
Ozone. ..............................................................................................»...»...«.........................................5
(10)
(d) Radiation .......................................»­»..............................................................................................»5
CHEMICAL ADDriiDN SYSTEM(S) ( see definition No. 9) [riot applicable to chemical addhions ated as loom (3)0).
(5)(a)(xl),
($)(a), (6)(b). (7)(b). (7)(*), (9a). (9)(b) or (9)(c) 5 points each:
lEtt
...«»...... ».....»...........................•........................................................ — ...................5
............
................. ».. ....'............ »................ ......... ........................ .............. -»»......................
(1 1)
W=ELL.ANEOUS LWS'PROCESSES
(a) Hong 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 Ihart is common
(b)
fordornestic wastewater................................................................................................................. .......A
Effluent Flow Equalization (not applicable to storage basins which are inherent in land appicatlon syst6ms).....2
{c)
Stage Discharge (not applicable to storage basins InharerY In land application
(d)
Pumps. ......................._.........................»..............»..................................... »..... ...3
3
(e)
Stand -By Power Supply. ....... ............. .... ............................. ».............«...... »............ ............,..,........
(t)
ThernalPollution CortmlDev6ce.................. ..............._................».............................»....«»....... . .3
............
TOTALPCWNTS ......... .... ..... »................. .. ...«.........L."
Gins I ........ »..»......»......«»....»............................................................6.25 POWs
Class11.... ... ..................................................._...........................................26.50 Points
ClassIt ................ ............... »....................................... ............... ....... ........ 61-65 Paints
CassIV .... .............. ........ ....... ........»...........».w.........«..........»«..........661lp Poirtis
Facilities having a tatirg of one through four points. Inclusive, do not require a cartffied operator.
Facilities having an activated sludge process will be assigned a minimum classification of Class IL
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classmoation of Class 0.
Facilities having Irsatnsnt prooessas for the blofoQicai removal of phosphorus wg be auaignad a minimum alasafficatlon of Class fit.
L Co4 DEFIninxm
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physbal/chernical 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 9aitonts per minute per square foot and may be either upnow or downflow carbon bads. Carbon may or
may not be regenerated on the wastewater troatrrrert plant she;
(2) Aerated lagoons. A basin In which all solids are malntained in suspension and by which biological oxkLtlon or organic matter Is reduced through artificially
acceteraded transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about ktimate contact between air or high pushy oxygen In a liquid by spraying, agitation w diffuslon;(3a) Extended
Aeration. An activated sludge process utltizing a mhlmum hydraulic desertion time of 18 hours.
(4) Age-huraffy managed she. Any site on which a crop k produced, managed. and harvested (Crop includes grasses. grains, trees, etc.);
(5) Air Stripping. A process by whist, the ammonium ion Is first concerted to dissolved ammonia (pH adjustment) with the amnonla than released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as bersz", toluene, and xyiene;
(6) Carbon Regeneration The regeneration of exhausted carbon by the use of a furnace to provide axtremaly high temperatures which volatilize and oxidize the
absorbed impurities;
(7) Carbonaceous Stage. A stage of wastewater treatment designed 10 acNevs NecorrdaY effluent &Yft;
(8) Cwtirftuge. A mocf-ank=d device In which carttrtlugal force is used to separate solids from liquids or to separate liquids of dBYerertt denst..as;
(9) Chomicat Addition Systems- The addition of chemicals) to wastewater st an appiscatlon point for puTos" of Vrpnrving solids removal, pH ad)uslment,
alkalinity control, etc.; the rapabrity to experiment with drrderom ehemicala and ditferenrl a} k2lion points to adieve a specific resuil will be considered one
-taut; the capablllty to abd chamlcal(s) to dual units will be rated as one systsm; cap+abifffy to add a chemical at a ciifietent apptkatlon poirrts for different
��es.wli! rasQlf SiltB systatns being rated as separate "ame;
CS ml al Sludge Condltiorin-a-.,The addltlon of a chemical compound such as time, ferric chloride, or a polymer to wet sludge to coalesco tha mass prior to
epp3-_&tIon to a dewatering device;
(11) Closed Cycle Systems Use ffl 1holding ponds or holding tanks for corttalnment of wastewater containing frorgank, non -toxic malarlals from sand, gravel.
crushed alone or other slmnar yporadkyvs. Such "arm shall carry a maxlmum of two points regardless of pumping fatlthles. or arty other appurtananoes;
Combined RemovAl-al�Carbonaceous BOO and Nitrogenous Removal by Nhi ficatkrr A sirgte stage system required to achievs perml aftluart Gnits on SOD
and amnion aa-n7i�n within the same biological reactor,
(13) Dechtotinattfon. The pxnia! or complete reduction of residual chlorine In a liquid by arty chemical or physkai process;
(14) Denftrtii.ation Process. The conversion of nitraie-nhrogan to nitrogen gas;

(151 Elactrodtalysts. Process for removing ionized sale from water through the use of lon-seteciNe ion-excharge membranes;
(i6} Finer Press. A process operated mechanically for partially dewalering sludge; '
(17) Foam Separation. The planned lrothing of wastewater or wastewater effluent 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;
(la) Grit Removal. The process of rarmMng grit and other heavy mineral matter from wastewater;
(19) Imhoff Tank A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(2Q) Instrumented Flow Measurement. A device which Indiaatse and records rat* of flow;
(21) ion Exchange. A chemical process In which ions from two different molecules are exchanged;
(22) Land application:
(a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection
(i.e., cfUsef plow); [not applicable for types of sludge described In (11) of this Rule;;
() Treated Effluent. The process of spraying troaled wastawater onto a land area or other methods of application of waslawaler pr90 a land area as a
friar= of final disposal or Ireatment;
(23) Microscreen. A low speed, conlinuouOy back -washed, rotating drum lifter operaling under gravity conditions as a polishing method for removing
suspended solids from offluent;
(24) Nitrtficstion Process. The biochemical conversion of unoxldtzed nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually rVerate);
(25) Nitrogenous Stage. A separate stago of waoowaiar treatment designed for the specific purpose of convarting ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological, The removal of phosphorus from wastewater by an oxidanoxic process designed to enhance luxury uptake of phosphorus
by the microagankcros;
(27) Pofishing Pond. A holding pond loliowing secondary treatment with sufficient Jaen lon time to allow settling of finely suspended solids;
(28) Post Aaratbn. Aeration following cornrerrional secondary treatment units to kncrease effluent D.Q. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the effluent by a nonmeehanical, gravity means of flowing down a
series of slaps or weirs; The flow occurring across the paps 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 sawntial slop to meeting the limps of the discharge permit;
(30) Powdered to Granular Activated Carbon Food. A bkrphyslcal carbon process MW utilizes biological activity and organic absorption by using powdered or
granular activated carbon; Ylrgin or regenerated carbon is feed controlled Into the system;
(31) Preaerathon. A tank constructed to provide aeration prior to primary treatment;
(32) Preliminary Urns. Unit operations in the Ireadment process, such as screening and comminution, fiat prepare the liquor for subsequent ma)or operations;
(33) InduRrtal Pretreatment.
(a) Pre-treatment Unn, lrrdustrtal. The conditioning 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 uealment process Which Is operated by the same governing body as the wastewater
treatment plant being rated;
b) Pratrealrltern Pm7am, Industrial - must be a State or EPA required program to receive points on the rating sheet;
(34) Primary Clarifiers. The fist waling 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. Alf Influent, effluent and in -plant pumps;
(36) Radlatlon. Disinfection or sterilization process utilizing devices omhl g ultraviolet or garnma rays;
(37[ Reverse Osmosis. A treatment process In which a heavy tontarrninated liquid is pressurized through a membrare forming nearly pure liquid tree from
suspended sofkls;
(38) Rotating Blckoglcal Contractors. A taxed biological growth pe as In which wastewater flows through tanks in which a aeries of partially submarged circular
surfaces are rotated;
(39) Sand Filters:
(a) Intorminent Bloiogical, Filtration of effluent following septic tanks, Lagoons, or some other trealment process In which further blodecomposnlon Is
expected to produce desired *tfluerrts; Hydraulic loading rates on these there are computed In gpd'ac and have a rersuhing low gpm+sl (less than one);
b) Rearculilrp biological - the same type of sand filter as defied in Subparagraph (39) (a) of this Ruh wfth the added capability to recycle effluent back
through the sand finer,
(40) Sand or Mixed -Media Filters. A polishing process by which effluent limns are achieved through a further reduction of suspended solids;
(a) low rate — gravity, hydraulically loaded finer with loading rates In the one to three gpmW range;
(b) high rate — a pressure, hydraulically loaded finer with loading rates In the five gp"d range; At any rate, the loading rate edit exceed three gprrvtd;
(41) Secondary Clarifiers, A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with Ihha
biological treatment unhs;
(42) Separate Sludge ReaBration. A part of the contact stabilization process where thw activated sludge is trarslarred to a tank and aerated before returning it
to the contact basin;
(431 Septic Tank A single-oory sealing tank In which settled sludge k in contact whh the wastewater fiowfrg through the lark; shall not be applicable for
septic tank systems serving singie family residences having capachy of 2,000 gallons or less which dschharge to a nitrification field;
(44) Sludge Digestion. The process by which organic or volatile matter and sludge is gasilled, liquefied rrinwafixsd or converted Into more stable organic matter
through the activity of lhving organisms, which Includes aerated holding tanks;
(45) Sludge Drying Bads. An area comprising natural or antficial layers of porous rnaisrlals upon which digested sewage sludge Is dried by dralrwV and
evaporation;
(46) Sludge Elutriation. A process of sludge conditioning In which certain conghuents are m=vad by successive washings with fresh water or plart effluent;
(47) Sludge Gas Lltlltzallon The process or using sewage gas for the purpose of heating buildings, driving engines, etc.;
(48) Sludge Holding Tank (Aerated and Nonaeraled). A tank ulllized for small wastewater treatment ptants not containing a dlgaster In which sludge may be
kept fresh, and supernatant wItMrawn prior to a drying method (i.e. sludge drying beds); This may be done by adding a anti amount of air simply to keep the
sludge fresh, but not necessarily an amourd that would be required to achieve stablltzation of organic matter. A nonaeraled tank would simply be used to
decant sludge prior to dewatering and would not allow long periods (several days of detention) whhout resulting odor problems;
(49) Sludge Incinerator& A furnace designed to tom sludge and to remove all mclslure and combusilble materials and reduce the sludge to a sterile ash;
(50) Sludge Stabilization (Chemical or Thermal} A process to make treated sludge less odonws and putresclofe, and to reduce the pathogenic organism
content; This may be done by pia adjustment, chkxine dosing, or by hear treatment;
(51) Sludge Thickaner• A typo of sedimentation tank In which the sludge h permitted to settle and thicken through agltatlon and gravny;
(52) Stabilization Lagoon. A type of oxidation lagoon In which biological oxidation of organic matter Is effecled by natural transfor of oxygen to the water frtlrn
air (lot a polistning pond);
(53) Sland-By Power Supply. On shs of portable electrical gorerating equipment.
(54) Slatic Screens. A stationary screen designed to remove solids, Including norrblodegradable particulate (5=abie sofrd<, suspended sorlb and BOO
reduction) from municipal and industrial wastewater treatment systems;
(55) TortLwy Treatment. A stage of treatment following secondary which is primarily for the purpose of effluent pofishIng; A settling Lagoon or sand or coal finer
might be employed for this purpose;
(66) Thermal Pollution Control Device. A device providing for the transfer of hod from a fluid flowing In tubes to another fluid outside the lubea, or vice versa;
or other meare of regulating ligvid tampon lures;
(57) Thermal Sludge Candtkoner. A condhioning process by which heal k added for a protracted period of tow to limprove the dewalerabilny of sludge by the
solubiAxing and hydtauWrFg of the smaller and more highly hydrated sludge paAkdas;
(58) Toxic Materials. Those wastes or combinallorm of wastes, kncudig disease -causing agents which after c1scharps and upon exposure, Irgeetlon, Inhalation
or assimkolon IM* arty organism, either dirsttly from the snvironmerrl or kdirecchy by Ingestion through food chhatns, will cause death, disease, belhaviorai
abnormalities, carrcw, genetic m=tkws, physlologlcal rmalfunctions (Inducting mallunctiorts In reproduction) or physical defomtations, in such organisrne or their
offspring; Toxic materials include, by way of Wuslydlon and not Umhallon: lead, cadmium, chromium, mercury, vanadium, amortk, zinc, onho-rttro-chlorobanzene
(ONCE), potychkxtnatad biphenyts (PCBs; and dichlorodlphteryl ttichloroethane (DDT); and any other materials that have or may hhereatlsr be determined to have
toxic propertles;
(59) Trickling Filter. A bloiogk:ai treatment unk consisting of a matartal such as broken stone or rock over which wastewater is d1wribnrled; A high rate trickling
finer Is one which operated of between 10 and 30 mgd per acre. A low rats trickling finer Is one which k designed to operate at one to four mgd per acre-.
(60) TrIc.0 g Finer (Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of media or filtrate material; Organic
malenaf Is removed continually by the active biological fixed growth In each successive layer. This method may produce 'secondary' quality effluent, or may be
adapted to produce a rhitrhflod smuont;
(61) Vacuum Fitter, CerttrfFugm or Filter Presses. Devices which are designed to remove excess water from effhrer digested or undigesled sludge prior to disposal
or further treatment.