WQ0010388_Final Permit_19950731

State of North Carolina
Department of Environment,
Health and Natural Resources
Divisibn of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B, Howes, Secretary
A. Preston Howard, Jr., P.E., Director
July 31, 1995
Mr. William J. Turner, Owner
Turner Oil Company
Post Office Box 3875
Wilson, North Carolina 27895-3875
Dear Mr. Turner:
Subject: Permit No. WQ0010388
Turner Oil Company
B&JMart
Groundwater Remediation Facilities
Wilson County
In accordance with your application received December 13, 1994, we are forwarding herewith
Permit No. WQ0010388, dated July 31, 1995, to Turner Oil Company for the construction and operation
of the subject groundwater remediation facility. This permit issuance is authorized in conjunction with the
variance request to 15A NCAC 2C .0213(c)(1)(D) and (F) and 2C .0213 (d)(1)(A) and subsequent
-approval received from the Division's Groundwater Section on May 26, 1995.
This permit shall be effective from the date of issuance until June 30, 2000, and shall be subject to
the conditions and limitations as specified therein. Please pay particular attention to the monitoring
requirements in this permit. Failure to establish an adequate system for collecting and maintaining the
required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer
27447, Raleigh. NC 27611-7447. Unless such demands are made this permit shall be final and binding.
AUG, 7
CENTRAL 'r ILE CDP*
P.O. Box 29535, Raleigh, North Carolina 27625-0535 Telephone [phone]B3 FAX [phone]
An Equa? Opportunity Affirmative Action Employer 50% recycled/ 10% pest -consumer paper

One set of approved plans and specifications is being fcnrwarded to you. If you have any questions
concerning the Groundwater Conditions or groundwater monitoring requirements, please contact Mr.
Brian Wootton in the Groundwater Section at [phone] ext. 432. If you need any additional
information concerning this matter, please contact Ms. Carolyn D. McCaskill at [phone] ext. 540.
Sincerely,
A_ Presto oward, Jr., P.E.
cc: Wilson County Health Department
Environmental Aspecs, Incorporated
Raleigh Regional Office, Water duality Section
Raleigh Regional Office, Groundwater Section
Brian Wootton, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH 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
Turner Oil Company
Wilson County
FOR THE
construction and operation of a 7,200 GPD groundwater remediation facility consisting of one recovery
well (RW-8) with an air operated pump, a 550 gallon steel holding tank, a 5 gpm gravity fed oil/water
separator, a 280 gallon storage tank, a shallow tray aerator, a bag filter, two carbon filters, and a surge
tank to serve Turner Oil Company - B & J Mart, with no discharge of wastes to the surface waters,
pursuant to the application received December 13, 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 p�_rmit shall be effective from the -date of issuance until June 30, 2000, and shall be sribject to
the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the 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, INC 27626-0535.
2. The Raleigh 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,
3. 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 opMf6d ffi-11rt`a i =
which will protect the assigned water quality standards of the surface skanti-grolui
waters.
F�AUG 7
CEi,ITRAI- F=1LE COPY

4. 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.
5. The issuance of this permit shall not relieve the Permitwe of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
6. 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 North Carolina Division of
Environmental Management,
7. Diversion or bypassing of the untreated groundwater from the treatment facilities is
prohibited.
11. OPERATION AND MAINTENANCE REQUIREMENT
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class IT, 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 roust comply with all other conditions of Title 15A, Chapter 8A, .0202. Once
the facility is classified, the Permittee must submit a letter to the Certification Commission
which designates the operator in responsible charge within thirty days after the wastewater
treatment facilities are 50% complete.
3. 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.
Ili. �'IONITORING AND REPORTING REQUIREMENTS
1. 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.
2. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh 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 renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
2

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. Anytime 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
tlx:, actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
1. ?Monitor wells MW-1, MW-2, MW-3, MW-4, MW-5, MW-6, and MW-7 shall be sampled
every March, June, September, and December for the following parameters:
Water Level
EPA Method 601 and 602
EPA Method 625 semi-volatiles (base/neutrals)
EPA Method 239.2 (lead)
The measurement of water levels must be made prior to sampling for the remaining
parameters. The depth to water in each well shall be measured from the surveyed point on
t_>c top of the casing.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide the relative elevation of the measuring point for each monitoring well.
The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29535 Raleigh, N.C. 27626-0535 on Form GW-59
[Compliance Monitoring Report Form] every April, July, October, and January.
2. The influent and effluent from the treatment system shall be sampled initially after system
start-up then once every two (2) weeks for the first three (3) months and monthly thereafter
using EPA Method 601 and 602, EPA Method 625 semi-volatiles (base/neutrals), and EPA
1`lethod 239.2 (lead).
The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29535 Raleigh, N.C. 27626-0535 within 30 days of
saanple collection.
3. All components of ht groundwater recovery, treatment, and disposal system shall be
properly weather -proofed to prevent freezing and failure of the system.
4. 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
passible and reported to the Raleigh Regional Office within 48 hours.
5. The groundwater treatment system shall consistently achieve at least a 95% treatment
efficiency (i.e. remove 95% of the influent contaminants) prior to discharge to the injection
wells. If the treatment system fails to consistently achieve this standard, addipgRa4np
C _^M- t;n
treatment units or changes in operational methods, may be required.g�.;a.,�;r;� �;x=
(,F(`z!?1,AL FILE COP4f

6. Isoconcentration (lines connecting points of equal concentration) maps in both the vertical
and horizontal directions shall be developed using the constituents detected in groundwater
monitoring data for March, June, September, and December. Water levels from° the seven
(7) monitor wells and the Recovery well (RW-8) shall be measured quarterly and a water
table contour map prepared from the data collected each sampling event. These maps shall
be submitted along with all other groundwater monitoring data on from GW-59.
7. The permittee shall submit a report outlining the injection volumes and pressures of the
injection wells. This report may be submitted along with all other monitoring data.
8. The six (6) injection wells shall be constructed of 6 inch schedule 40 PVC casing and the
screened interval of each well shall be located from 10 feet to 22.5 feet below land surface.
9. Flow measurement devices shall be installed to monitor the volumes injected at each well.
Also each wellhead shall be equipped to m-,asure the injection pressure at the screened
interval.
10. Prior to operation of the groundwater remediation system, the permittee shall certify the
mechanical integrity of the injection wells as defined by 15A NCAC 2C .0207.
Additionally, an engineering certification shall be provided stating that the injection wells
have been constructed in accordance with 15A NCAC 2C .0200 and the conditions of this
permit. This certification shall be forwarded to the Groundwater Section Permits Unit,
P.O. Box 29535, Raleigh, NC, 27626 prior to operation of the system.
11. Pursuant to rule 15A NCAC 2C .0211(g), injection may not commence until construction
of the injection wells is completed, the permittee has submitted notice of completion of
construction to the Raleigh Regional Office, and the regional office staff has inspected or
otherwise reviewed the injection well and finds it in compliance with the permit. If the
permittee has not received notice from the Raleigh Regional Office of the intent to inspect or
otherwise review the injection well within 10 days after the regional office has received the
notice, the permittee may commence operation of the injection wells.
12. The permittee shall retain copies of records of all monitoring information, including all
calibration and maintenance records, all original strip chart recordings for continuous
monitoring instrumentation and copies of all reports required by this permit, for a period of
at least 3 years from the date of the sample, measurement, report or application. Records
of this monitoring information shall include, but not be limited to, the following:
a. the date, exact place, and time of sampling or measurements,
b. the individual who performed the sampling or measurements,
c. the date the analyses were performed,
d. the analytical techniques or methods used, and
e. the results of any such sampling, measurements, and analyses.
13. The permittee shall report any monitoring or other information which indicates that any
contaminant may cause an endangerment to an underground source of drinking water and
any noncompliance with a permit condition of malfunction of the injection system which
may cause fluid migration outside the injection zone or area. The information shall be
provided to the Raleigh Regional Office orally within 8 hours of the occurrence and as a
written submission within five days of the occurrence. The written submission shall
contain a description of the noncompliance and its cause, the period of noncompliance,
including exact dates and times, and if the noncompliance has not been corrected, the
anticipated time it is expected to continue. and any steps taken or planned to 'reduce,
eliminate and prevent reoccurrence of the noncompliance.
4

14. 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.
15. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
NT. INSPECTIONS
1. Adequate inspection, maintenance and cleaning shall be provided by the Permittee to insure
proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the 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 of Environmental Management or other permitting authority, upon request.
3. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and 'inspect any property,
premises or place on or related to the disposal site or facility at any reasonable time for the
purpose of determining compliance with this permit, may inspect or copy any records that
must be maintained under the terms and conditions of this permit, and may obtain samples
of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
Issuance of this permit does not constitute approval for reimbursement from the Leaking
Petroleum Underground Storage Tank Cleanup Funds (15A NCAC 2P).
2. 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.
3. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
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 this request will be considered on its merits and may or may
not be approved.
5. A set of approved plans and specifications for the subject project must be retained by the
_. Permittee for the life of this project.

6. 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).
7. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15A NCAC 2H .0205
(c)(4).
8. The 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.
9. 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 31 st day of July, 1995
NORTH CAROLINA EN WIRONMENTAL MANAGEMENT COMMISSION
A. Preston lJoward, Jr., P.E., Pirector
Division of t�viroame-ntal Management
By Authority of the Environmental Management
Permit Number NVQ0010388

Permit No. WQ0010388
July 31, 1995
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full tune) 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
Date
Registration No.
Vv
W.L r
Dui 4rt�: .
CEII=.TRAL FILE COPY
7

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(1)
Past Aeration - cascade.._ ................ p
dillused or mochanicai
(m)
.......................................
Flavors* osmosis ......... ........,r_....,�,„... _
n
.....................
Sand or Mrzod-Made Fillers taw ^........- ................
- rase ............................„..._.. ...__........-.r_..„...2
high rate...,
{n)
...................... ........5
Tramment processes for removal of metal or cyanide .............. ..
5
{p)
....c.............................•--------.- ....1
krealmer t processes for removal of taxis materials other than metal or cyanide.;..,_.„.....„.�_.__-_„
(7)
SLUDGETRGATMENT
..^-----•15
(a)
Sludge Dige'slion Tank - Healed (anaerobic) ........................................... p
Aerobic..............._.............------ .....1
Unhealed (anaeroblc) .........•... _........ ........5
(b)
.Sludge Stabilizalion {chemical or thermal)..................................................................
(c)
Sludge Drying Bads Gravit ............... ....5
VacuumAssisIad ..........................................................•................. ........._.._...............-_................2
............................................f.......-.-.-..............................._........._........5
(d)
e
Sludge Efutriaticn................... ....................................................•................................_.......... .S
Sludge
Conditioner {cham3cal or thermal)... .......... ......... ............ ... . ............... ._..._._4
Sludgo Thickener (gravity)....._..................................................-..........................................._....._........-...5
(g)
Dissolved Air Flotation Unit (not applicable io a unit rated as(3){i]J.......................................
(h)
.......................5
Sludge Gas Utilization (including gas storage) ..................
(f)
..... .. ......_., ........ ............,....._._... ..
Sludge Holding Tank - Aerated ........................................ ...................................................... ......... ..::::.SJ
Nonaeraled........................................................................................................ ..............................2
O)
Sludge incirserator (not including activated carbon regeneration).............................................................10
(k)
Vacuum Filler, Centrifuge, or Filter Press or other similar dewalering devices.._ ..............._„................ ... .........1 0
(8)
RESIDUALS UNLIZATIOWDISPOSAL (ncfudrg In insraled ash)
(a)
Lagoons..................................................................................................................................................2
(b)
Land Aporication (surface and subsurface) (see dellnition 22a)
by oDntmcling to a land application operator or landfill operator who holds the land a?plicalion permit
atlandlii permit... ............................................................ 2
(c)
Dedicated Landfill(buriaf) by the permiitee of the wastewater treatment faciliiy....................... ............. _......
(9)
DEC
C]V
(a)
Chlorine[ion......................... ............................................. ....... aL
(b)
................ ................... ........... .............
Dechior a[ion.................................._...............................................•-......._........................._._............_....-5
(c)
Ozone............................................................................................................................................. S
(d)
Radialica.............................................................................................. ..............................._.........._.........5
(1 0)
CHEMICAL ADDITION SYSTEM(S) ( see definhion No. 6) (not applicable to chemical addhictz rated as ham (3}(j),
(6)(b), (7)(b), (7)(e), (92). (9)(b) or (9)(c) 5 points each:
Lis[
S
.................... .......... ................................. .................. ............. I ....... ......._ .:S
...............................................................,.......... -............................................... ...._.. 5
(1 1)
..........................
7,1•SCe Lf..vi<�1.5 Uf. iSr?i�CE55E5 '
(a)
Holding Pcrx�s, Bolding Tanks w Senling Ponds for Organic or Toxic Materials Inclvding wastes frm mining
operatio:x containing nitrogen or phosphorus compounds In amounts significantly greater Thar, is common .
for domestic wastewater .................................. ........................................... ...........................»......._.._...._..4
(b)
EYiveni Flow Equalixalion (not appl;czbie to storage basins which are inherent In land application sysiems).....2
(c)
Stage Dscharge (not applicable to storage basins Inherent In land application
(d)
Pumps................................................................ ....... ......................................... .................................
(a)
...3
Sland•Ex Power Supply..................................................................................................6.............4...........3
(1)
Thermal Pollution Cortrol Devica................................................................................................................3
TOTALPOINTS..........................................................................
CLAMIf-rATBCIN
r= I:.....................................................................................................5.25 Points
ClassIl........................................... .............................................................. 26-50 Points
C'-ss{G........................................................................................................51.65 Points
CSassN......................................... ...............................:........_.................._..66•Up Points
Facilities having a rating of one through four points, Inclusive, do not require a certified operator.
Facilities having an aciivalod sludpe process vr:T be assigned a minimum classification of Class It.
Facilities having treatment processes for the rers3va1 of metal or cyanide will be assigrsed a minimum classlfication of Class 11.
Facilliss having treaimere processes for the biclogical removal of phosphorvs will be assigned a minimum ciassiricalion of Class 111,
-------------------------------------------------------------
.0O04 Di~:1Vrrn\'S
The following definitions shall apply Ihroughwl this Subchapter.
(1) Activated Carbon Beds, A physicalrchemical method for reducirg soluble organic mala6al'lrom wastewalar oflEverg; The column -type beds used in Ibis
method will have a flow rasa varyirV from two to eight gallora per minule per square'foot and may be either uptlow of dgwn5ew carbon beds. Carbon may'c
ray nol ba roganeraiad on the wastewatar treatment plant sila,
(2) Ae .led Lagoons, A basin in which all solds are maintained in suspension and by which biological oxidation or organic mailer Is raduced through anificiali
acceleraled lrnsfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about Inumale contact between air or high purity oxygen in a liquid by spraying, aghation or d7"usion;(3a) Exzandsd
Aera'.iDn. An aciivatad sludge process utilizing a minimum hydraulic dolention time of 18 hours.
(4) AVietrlturalty managed sho. Any she on which a crop is produced• managed, and harvested (Crop irxludos grasses, grain, tress, etc.);
(5) A_, Shipping. A, process by which the am-nonium ion is first cemeried to dissolved ammonia (pH adjustmenl) with the ammonia [hen released to the
aim —whirs by physical maans; or other similar processes which remove petroleum products such as berasne, toluene, and r.ylene;
(6) CL vn Ragerrerelion. The regeneration of exhausted carbon by the use of a furnace to provide ex[remoly high temperdures which volatilize and oxidize
absac`->ed impurities;
(7) Ca?aoriaceo s Slags. A stare of waslewz[er treatment designed to achieve.`socondary' effluent limits;
(8) C_ Viluk,a- A mechanical device in which centrifugal force is used to separate solids from liquids or to separzie liquids of dfferant 6-nskfos;
(9) C.'-f::al Adfii.lon Systems- The ad�iion of chemlcal(s) to wastawaler at an application pclnl for purposes of improving solids reravai, PH adjustment,
al'IezYci-' co,vrol, etc.; the capability to axperironl with different chemicals and dfferanl application points to achiove a specific resvh W.:: bo cons-sderod one
sys:rm, L.e r, . bility to add chemical(s) to dual units will be rated as one systom; capability to add a chemical at a dillarent application points for different
purp�?s m.q re=h in the systems being rated as soparale systems;
(10) C ;coral Sludge Cond'uiorung. The addi;i�n of a chemical compound such as limo, ferric chloride, or a polymer to we: sludga to c:alascs 1ho mass prior
its >ti:,i:.aGon 10 a dewatering dov;ce;
(11] C:cscd C)-ed sysioms. Uso of holding ponds or hold-N tanks for contzinmont of wastewater containing inorganic, non -toil; ma;orals Irom szr+d, gray
ceas`,A's:one tx olhar simiiaf o•,tara:ionc. Suet systems shelf carry a maximum of two points regandloss of pumping fx61i:ias or arty other appurlor4.r.ces:
R(1e} Rermti•at of Czrbo.^acaous BOO and Nitroganous RcrnovM b1, Mtfifiraoon- A sin,-,1e slaao system roouired to r.chr3vo f»rrs etliuer4 li-tits on B.
zrti a7 z ua rti oyes '.yitNn the same biolcr teal roactar,
Tho partial or compic'm roouct ion of rosidual cNorir,e in a liquid by any chemical or ph?-ci;.ai p-ocoss;
(t-1 ems.: �•m:-n Procoss. Tho r.onvorsion of nilrate-niifcgon to niiregon gas;

The follovring scale is used for rating wastewater treatment facilities: (circle appropriate pain -
REM
POINTS
( 1 ) Indusuial Prelrnaimert Units or Industrial Protrealmonl Program (sea deflohlon No. 33)......... ......... ...........................
-_..�
(2) DESIGN FLOW OF PLANT IN gpd (not applicabla to rtort oonlarrinalad cooGnp walart, sludgo h_nding facilit€as for
waterpurificatran plants, totally closed cycle syslems(sae,dorinitlon No. 11). arrd racfihios consizirg only of fiom
(4)(d) or itoms.(4)(d) and (11)(d))
0 - 20,000... ..........................._--. --.--......-....................................._..... ..]
..... ..... . ....
20.001 - 50,000.......................... ...-.... ........... .... ......... ..................... _.._.----.................. ............... _2
50,001 - 100.000........_............... ..... ......................................... _..........................I.......I......7
100,001 - 250,000............ :....... ._._........ ............... .......................... ............... .....................
_.........� ...4
250,001 - 500.000..................... - _.._......._.__.._'....._..._...._,.._.............. ................ .......
_ .._ .r.5
500,001 - 1,000,000... ............... _... ............ ^.......... ............ ............... -1.... _...........................
.....E
1.000,001 - 2,D00,000._.......... _»...... ................. ............................. ...... ..-......................... ......... 10
2.000.001 (and up) rate 1 polrk additional lot each 200.000 gpd capachy up to a maximum al __.............30
Design Flow (gpd)
(3 } PRELUNARY UNITsiPROCESSES (saa doliMion No.32)
(a) Bar Screens ........... ...................... ._...._-................................•..•...............-_.......--.................. ....- .1
(b) Mechanical Screens, Static Screens at Comminuting Devices......._.........-.-____- ............._ _._....-.. .__„.2
(C) Grt Removal ........................ ...-•----------......----...-....-.......-......----.......-..............._.........-_.1
or
(d) Mechanical or Aaraled Grit Removal...- ... -.. ......__. - ,... _.........................-._................................... 2
(6) Flow Measuring Davice..................... ...._.....-..._......... .................1
(1) instrumenied Flow Measurams nl......-...................................................... _............................ _...... _2
(g) Preaerallon...................... .............. ....................... ............ .................................................................... 2
(h) Influent Flow Equarization .......................---....... ...................... ................... ................ ............ -_.2
(€) Grease or Oil Separalors - . .............. ...._............_..........-.--•--.._..__............ _......�.:Z
Mechanical ............. .... .......... ................................................................... ...........................................
-- 3
Dissolved Air Floation.......................-..............---......._...................................r......__........................_.. 5
(�) Prechlorinalion......... ...................... ...... ............. .,.................................................. I ........ .......
._ ._.._.S
{4) PRiNA=.CTFcATIvI!3dTLt�fiS?RDCESSFS
(a) Septic Tank (see definition No. 43).... ......_..... ...... --.......... »............... ......... ......... ............................. ...2
(b) Imhoff Tank ................. _................. ._..._.........._........................................ _...................................... 5
(cI Primary Clarifiers ......................................... .......................................................................... __............... 5
(d) Sealing Ponds or Satiling Tanks for €..organic Non-loxic Materials (sludge handling facilities for water
purifir-a ion plards, sand, gravel, stro one• and other mining operations except recationsl acliv'rlias such as gam
orgold mining) ..................... .................. _....................................................... _-__...................... ............. .2
' (5) SECS':.hRYT`1r=AlN,E3�f LhTiS+Pf�JCESSES
(a) Carbonaceous !;lage
{i] Aeration -High Purity Oxygen System .......... ....................... ........-._._„..........................20
D€Hused Air System ........................................... _..................-_._......_........._....__.... G
Mechanical Air System (fixed, floating or rotor) .......... __......- ......... ........ ..._...
'. Separate Sludge Razer"on..................................................................... 2
.......................
TdckJ ng Mher
HighFW 0........---_....»............. .._................. .»................r..-................................... 7
StandardRate.._.._ .................................... ..................................................................5
PackedTower ..... _....................... ..................... ..... ............. -------- ................... ......_....5
Biologlcal Aaraled Filler or Aerated Biological Fist or .. ..... ................ ................ ...... ...........1 0
(iv) Aerated Lagoons .......... ........................... ................. ........................ I .............. I .......... 10
(v) Rotating Biological Contaeors....... ... ...................................... -............... -................. 10
(vi) Sand Fillers -in!ermillani biological ............ ........................................._........................._2
Recirculating biological, ...................................................... ............................... ........... �
(vii) Stabilization Lagoons ..... ........ .......... ................................ ..-_................................. I.......
(viii) Curt -or .................. _..................................... ..................................•.....................•...._..5.
(ix) Single stage system for combined carbonaceous removal of BOD and nitrogenous removal b)-
nitreticalion (see delinhion No. 12)(Points for this hem have io be in addition to items
(5)(a)(i) through (5)(a)(viii),
trURZing the enended aeration process (see derinhion No.3a)..._.....................................2
ulifiz!ng other than the extended aeralian process ..................._..........-. ..................
{s} Nulrient addlions to enhance BOO removal.........................•....-............_........................5
: (xl) Biological Cuhurs ('Super 8ugs-)addition........................................ __............................ 5
(b) Kilregonous Sligo
(€) Aeration - high Pur'ry Oxygen Sysism.................................. .__...................._.........._...20
: Diffused Air Sysigm...................................................... ............. .................................... 1 0
Mechanical Air Systen (fixed, floating or rotor) ....... ........... ............_........... ........... ._..... 8
Separate Sludge R"aration............................................................................................3
(ii) 'Trickling Filler -High Rate.........................................................................1.1.......................7
StandardRate ...... _................. ............................... ................... .................................... S
PackedTower ........ ......................................................................................... _............ .5
oil) Biological Aaraled FLer or Aerated 8iologlcaI Filler ............... .... .... ........... ........................ 1 0
(iv) Rolaling Biological Contactors, ...... L ... LL ....... L­­ ........... IL ..... I ................. ­ ..... L ........... ­10
(r} Sand Finer - inlermaten; biological...................................................................................2
Recirculalingb€ofogicz(_.............................. ......................... ...-........_........ 1.1......... ........ .2
(vi) ! lar€rar................... ...................... .... .............. ......... ....... ....................................
(6) TERTt;.i,eORADVANCED TRFATMEN7LNrTS'Pf3'-V-'ESSES
(a) Acikalad Carbon Beds -
without carbon regeneration .................... ..............................................................................5
with carbon regeneration...............................................................................
{b} Pnwderod or Grzfioul Activated Carbon road 7r•
(c) Air siripping...�hhcarbon�egeneon gra.ion�t.oa................................................. .........................
(d) Donittilic ttion Procoss................ ........................... ..................................... I..... ...........,....... }fit 0
r...:... -
• (o) Efatlrodiafysis......................................... -...........................-_.........-........-•................
--......+..-_.....5
(1) Foam Separalior... ..................................... ...... ........ ............ ................................. ... ...................... I—' ......
5
MIon Exchango.............. .............................................................................................5
(h) Land Application of Tecatod ElflueN (sot dc:;nkion No. 225) (not applicablo for sand• grave!, con
and other similar mining oporations) by hir•h taro infitirali0n ..... ......_..................
-a ' (i)?v;^.roscrnons...................... _......... .................. ...... .........................5 R
(() P?'�sphorous Ronoval by Biological P r­c_ss0s (Soe (jollnitlon No.20).........................................................20
k ........,-...........2'.
: ( } Poiishing Ponds - wiiho+rl aoration..................................................................... __..............
wiiisaoralion................................................................_.......-.-.............:-:........-.............