WQ0006992_Final Permit_19971015

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
A. Preston Howard, Jr., P.E., Director
October 15, 1997
William C. Howard, Jr., P.E.
R. J. Reynolds Tobacco, Co.
Environmental Affairs
Post Office Box 1487
Winston-Salem, North Carolina 27102-1487
Dear Mr. Howard:
[D FE F1
Subject: Permit No. WQ0006992
R. J. Reynolds Tobacco, Co.
Packaging Plant 604
Groundwater Remediation Facilities
Forsyth County
In accordance with the renewal request received July 1, 1997, we are forwarding herewith Permit
No. WQ0006992, dated October 15, 1997, to the R. J. Reynolds Tobacco, Co. for the continued
operation of the subject groundwater rmediation facility.
This permit shall be effective from the date of issuance until September 30, 2002, shall void Permit
No. WQ0006992 issued February 17, 1993, and shall be subject to the conditions and limitations as
specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to
establish an adequate system for collecting and maintaining the required operational information will result
in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you have any questions concerning the Groundwater Conditions or groundwater monitoring
requirements, please contact Mr. Ken Pohlig in the Groundwater Section at [phone]. If you need
any additional information concerning this matter, please contact NU.,Mchael D. Allen at [phone]
extension 547.
Sincerel
-4L.A. Preston Howard, Jr., P.E.
cc: Forsyth County Health Department
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
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
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
R. J. Reynolds Tobacco, Co.
Forsyth County
FOR THE
continued operation of a 23,040 GPD groundwater remediation system consisting of eight extraction wells
with submersible pumps capable of 4 GPM each, dual bucket type strainer filters, a groundwater storage
tank, a 16 GPM transfer pump, a 16 GPM steam heating unit capable of 550 F to 1400 F, three (3) 20 foot
tall by 20 inch diameter air stripping towers in series with a 16 GPM transfer pump to supply towers 2 and
3 and each having 16.5 feet of packing and a 270 SCFM (minimum) blower, a 16 GPM transfer pump,
dual 500 pound carbon canisters piped in series, a thermal oxidizer unit to control air quality emissions
when needed, a 100 foot by 15 foot by 7.5 foot infiltration gallery with dual 4 inch distribution laterals and
two subgrade piezometers, and all associated piping, valves, controls, alarms, protective structures, and
appurtenances to serve R. J. Reynolds Tobacco, Co.'s Packaging Plant 604, with no discharge of wastes
to the surface waters, pursuant to the renewal request received July 1, 1997, 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 September 30, 2002, shall void Permit
No. WQ0006992 issued February 17, 1993, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the facilities are installed, maintained, and operated in a manner
which will protect the assigned water quality standards of the surface waters and ground
waters.
2. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those
actions that may be required by the Division of Water Quality (Division), such as the
construction of additional or replacement treatment or disposal facilities.
3. 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.

4. Any residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the Division.
5. Diversion or bypassing of the untreated groundwater from the treatment facilities is
prohibited.
II. OPERATION AND MAINTENANCE REQUIREMENTS
1. The facilities shall be properly maintained and operated at all times.
2. Upon classification of the facility by the Water Pollution Control Systems Operators
Certification Commission (WPCSOCC), the Permittee shall employ a certified wastewater
treatment plant operator to be in responsible charge (ORC) of the wastewater treatment
facilities. The operator must hold a certificate of the type and grade at least equivalent to or
greater than the classification assigned to the wastewater treatment facilities by the
WPCSOCC. The Permittee must also employ a certified back-up operator of the
appropriate type and grade to comply with the conditions of 15A NCAC 8A .0202. The
ORC of the facility must visit each Class I facility at least weekly and each Class 11, M, and
N facility at least daily, excluding weekends and holidays, and must properly manage and
document daily operation and maintenance of the facility and must comply with all other
conditions of 15A NCAC 8A .0202.
3. 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.
111. MONITORING AND REPORTING REQUIREMENTS
Any monitoring deemed necessary by the Division to insure surface and ground water
protection will be established and an acceptable sampling reporting schedule shall be
followed.
2. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem 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 groundwater remediation facility which results in the treatment of
significant amounts of contaminated groundwaters which are abnormal in quantity or
characteristic, such as the dumping of the contents of a basin or tank, the known
passage of a slug of hazardous substance through the facility, or any other unusual
circumstances;
b. Any process unit failure, due to known or unknown reasons, that renders the
groundwater treatment and disposal system incapable of adequate treatment and
disposal, such as mechanical or electrical failures of pumps, aerators, compressors,
etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
directly to receiving waters without treatment of all or any portion of the influent to
such station or facility; or
3

d. Any time that self -monitoring information indicates that the groundwater treatment and
disposal system is not in compliance with any specified permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within five (5) days following first knowledge of the occurrence. This report must
outline the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATERREQUIREMENTS
1. 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, additional
treatment units or changes in operational methods, may be required.
2. The treatment system influent and effluent shall be sampled every January, April, July, and
October for the following parameters:
pH Acetone
Iso Propanol MEK
Toluene Isopropyl Acetate
The results of the sampling and analysis must be received on Form GW-59 (Groundwater
Quality Monitoring: Compliance Report Form) by the Groundwater Section, Permits and
Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on or before the last
working day of the month following the sampling event.
3. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
4. 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 penT itee.
V . 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 or other permitting authority, upon request.

3. Any duly authorized officer, employee, or representative of the Division may, upon
presentation of credentials, enter and inspect any property, premises or place on or related
to the disposal site or facility at any reasonable time for the purpose of determining
compliance With this permit, may inspect or copy any records that must be maintained
under the terms and conditions of this permit, and may obtain samples of groundwater,
surface water, or leachate.
V I. GENERAL CONDITIONS
1. 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 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 in accordance with North Carolina
General Statute 143-215.6A to 143-215.6C.
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 fifteenth day of October, 1997
NORTH C OL1NA ENVIRO NTAL MANAGEMENT COMMISSION
Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0006992
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RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
Owner or Contact
Mailing Address: N'V�sz,*_
County: 4�cI\,e Telephone:
Present. Classification: N
NPDES Per. No. gC69= Nondisc. Per.
Rated by: `��� _ __ T
Reviewed by: H
R
Central Office
ORC: 'Q.1_4 _ Grade:
Check Class ation(s): Subsurface Spray Irrigation
Wastewater Classification: (Circle One) I III IV
ew Facility Existing Facility__
ND.WQ� Health Dept.Per No.
elephone: Date:
ea€th Dept. Telephone:
egional Office Telephone:
Telephone:
Telephone:
Land Application
Total Points:1
i :►1 ':�� :►� :x 1 1 ��Ili•r «. iA+i=►1 .h.w.: :� AIL► :;. :1 � ►� � l: 5:�� I,r► �s: ►,�
�r�. s 1 1■" : !u =►1 ��: 1 7 : ter, _ ;ate : 6�► 421. ��. �1-u. fir.►. ►. �L r, .MP
:►� ,11F
It1 ►11: . Iwo ► :: u J 7a�.� :� 7. .1�1
SUBSURFACE CLASSiMATi )N
(check all units that apply)
I. -septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
5, grease trapinterceptor
6. oil/water separators
7. gravity subsurface treatment and disposal:
8, pressure subsurface treatment and disposal:
SPRAY IRRIGATION CiASSIFICAMN
(check all units that apply)
1, preliminary treatment (definition no. 32 )
2. lagoons
3. septic tanks
4. pump tanks
5. pumps
6. sand filters
7. grease trapinterceptor
8, oil/water separators
9. disinfection
10. chemical addition for nutrient/algae control
11. spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shall
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATION/RESIDUALS CL ASS]FICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILiTYCLASSIFiCATION
The following systems shall be assigned a Class I 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. OiUwater separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems,
5. Groundwater Remediation Systems consisting only of oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo„t;
6. Aquaculture operations with discharge to surface waters;
7. Water Plant sludge handling and back -wash water treatment;
8. Seafood processing consisting of screening and disposal.
9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified 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 notified of the classification or reclassification by the Commission, in writing.

The following scale is used for rating wastewater treatment facilities: (circle appropriate points)
rrEM POINTS
(#)
Industrial Pretreatment Unha or Industrial Pretreatment Program (see deflnhlon No. 33)...................................................4
(2)
DESIGN
FLOW OF PLANT IN gpd (nat applicable to non -contaminated cooing waters, sludge handling facilities for
water purification plants, totally closed cyda systems(ses definition No. 11). and facilities consisting only of hem
(4)(d) or
[terns (4)(d) and (11)(d)]
0 - 20.000................................................................................................................................................1
20,001 - 50.000...................................................................................................................................•.Q
50,001 100.000.....................................................................................................................................3
100,001 - 250,000.................. ....... ..... .... .... .... .......... ............................ .................................................. A
250,001 - 500,000..................................................................................................................................5
500,001 - 1,000,000......................................................................................................................... A
..............................................................................._,._..
1,000,001 - 2,000,000.........................................10
2.000,001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a maximum of ..,..____.._..30
Design Flow (gpd)3. �-tlj
(3)
PRELIMNVAR`( UNITSIPROCESSES (see definition No.32)
(a)
BwScmens............................................................................................................................................... 1
(b)
or
Mechanical Screens, Static Screens or Comminuting Devices ............ ........ ................. ..................................2
(c)
Grit Rentaval..... ............................... .................................................. ..................................................... I
or
(d)
Mechanical or Aerated Grit Removal.............................................................................................................2
(a)
Flow Measuring Device..............................................................................................................................�i}
or
(f)
Instrumented Row Measurement................................................................................................................2
(g)
Preaeration...............................................................................................................................................2
(h)
Influent Flow Equalization ..........................................................................................................................2
Grease or Oil Separators - Gravity ............... ............. .... ............................................... ........................... ... 2
Mechanical............................................................................................................................................
Dissolved Air Flotation................................................................................................................................8
(])
Prechiorinatlon..........................................................................................................................................5
(4)
PRIMARYTAEATMENTUNIT&PROCESSES
(a)
Septic Tank (sae definition No. 43)............. ...... ............. ................... __.................................................... 2
(b)
Imhoff Tank...............................................................................................................................................
(c)
Primary Clarillers........................................................................__................................................._............
(d)
Settling Ponds or Settling Tanks far Inorganic Nontoxic Materials (sludge handling facilities for water
purification plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgold mining)........................................................................................................................................2
(5)
SECONDARYTREATMEYr LIIITSIPROCESSES
(a)
Carbonaceous Stage
0) Aeration -High Purity Oxygen System..............................................................................20
Diffused Air System .................... ............................... .................................................... t o
Mechanical Air System (fixed, floating or rotor) ................... ...........................................a
Separate Sludge Raaeratlon.............................................................................................3
{il) Vckling Filter
HighRate .................. ................ ................................. ..... _...................................... 7
StandardRate................................................................................................................6
PackedTower.................................................................................................................5
(ill} Biologlcal Aerated Finer or Aerated Biological Filter ..».„„........»......................................10
(Iv) Aerated Lagoons ................................ .................................. ........................................ 10
...........
(v) Rotating Biological Contactors .... .... ................................................ :............. .....10
(vi) Sand Filters -Intermittent biological ........................ ............................ „........................... 2
Recirculating biological....................................................................................................3
(0) Stabilization Lagoons .......... .............................. ............. _............. ................................ 5
(vifi) CLuffer..........................................................................................................................5
(Ix) Single stage system for combined carbonaceous removal of SOD and nitrogenous removal by
nitrification (see definition No. 12)(Points for this item have to be in addition to items
(5)(a)(1) through (5)(a)(vill),
uthizing the extended aeration process (see deflntion No.3a)...........................................2
utilizing other than the extended aeration process....... .................. ............................. ... a
(x} Nutrierd additions to enhance BCD removal......................................................................5 .
(XI) Biological Culture (-Super Bugs')addhicn..................... -................................................. 5
(b)
Nltrogenous Stage
(i) Aeration - High Purity Oxygen System ............ .................. ..................... ............... 20
Diffused Air System.......................................................................................................10
Mechanical Air System (fixed, floating or rotor) ...... _.._...................................... —........... Is
Separate Sludge Reaeration.................... ........................... ............................................ 3
Trickling Fliter-High Rate..................................................................................................7
Standard Rate .................. ......... .................................................................................
PackedTower................................................................................................................5
(ili) Biological Aerated Filter or Aerated Biological Ri#er.„ ....„.. ........... ......„...„_. _..t 0
(Iv) Rotating Biological Comactars........................ ... -................................................ ....... 10
(v) Sand Filter - Intermittent biological...................................................................................2
Recirculating biological... ....... .................. . .............. ....................................................... 3
(v€) C1314ar............................................... ,.............................................. ........_...................
(6)
7STTIAW OR ADVANCEDTREATM@YT UNfl +PFOCESSES
(a)
Activated Carbon Beds -
without carbon regeneration ..................................................................................................5
withcarbon regeneration.......................................................................................................16
(b)
Powdered or Granular Activated Carbon Feed -
without carbon regensratlon......................................................................................
h carbon regeneration .............»...................................................................................
with.........�
(o)
Air stripping.........................................................................................................................................
(d)
Danitrif)tatlonProcaess.............................. ............ ..... ....... ........ ____ ....... ...................................... .-...10
(a)
Electrndialysla......................................................................................................................................5
(f)
Foam Separation. ........................................_........................................................._.................................5
..
!on Exchange.................................................................................... .....,.............................5
{h)
Land Application of Treated Etfiuert (see defintion No. 22b) {riot appitcabla for sand, gravel. stone
and other similar mining operations) by high tale Infiitration................._..._...,...._..................._...................4
(f)
Microscreens.......................... ..... .............. ............. ................. ............. ............ ...,.................. ................ 5
(])
Phosphorous Removal by BfotogleW Processes (See dallnhion No. 26)........................................................20
(k)
Polishing Poufs - without aeration ............... ..... ............................. ............. .__._.._................ ....... .......... 2
withaeration ...... ............ ........... ................. .................... .................... ... .................. 5

(1)
Post Aeration - cascade .............................................................................................................................. 0
dltlused or mechanical........................................................................................................2
(m)
Reverse Osmosis.........................................................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate.......................•............................--...------.........--.................................2
highrate......................................................................5
(o)
Treatment processes for removal of metal or cyanide.................................................................................. 1
[ p }
treatment processes for removal of toxic materials other than metal or cyanide ............................................. 15
(7)
SLUDGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic)...............................................................................................10
Aerobic.............................................................................................................................................5
Unheated (anaerobic) ................................................. .................... .....3
(b)
Sludge Stabilization (chemical or thermal)..................................................._...............................................4
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
VacuumAssisted.............................................................................................--........................................5
(d)
Sludge Eluldation......................................................................................................................................5
(a)
Sludge Conditioner (chemical or thermal) .............................................. ...................................................... .5
(f)
Sludge Thickener (gravity)............................................................................................................. ...5
(g)
Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(i)).............................................................8
(h)
Sludge Gas Utilization (including gas storage).............................................................................................2
0)
Sludge Holding Tank - Aerated .......................... ......................................................................... ................. 5
Nor- ae rated.............................................................................................................................................2
(J)
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Centrifuge, or Ricer Press or other similar dewatering devices...................................:...............1 0
(8)
RESIDUALS UTILIZATIONlDISAOSAL (including incinerated ash)
(a)
Lagoons................................................................ ....... ...2
(b)
Land Application (surface and subsurface) (see delinition 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
orlandfill permit..................•••...................................................................................................................
(c)
Dedicated Landfill(burisi) by the permittea of the wastewater treatment facility...............................................5
(9)
DSr4E'T)CN
(a)
Chlorination.............................................................................................................................................5
(b)
Dechlorination...............................,............................................_..............----...--........---............................5
(c)
Ozone......................................................................................................................................................4
(d)
Radiation..................................................................................................................................................5
(1 0)
CHEMICAL ADDITION SYSTEM(S) ( see definhlon No. 9) (not applicable to chemical additlors rated as Item (3)()),
(5)(a)(xi).
(6)(a), (6)(b). (7)(b). (7)(a), (9a), (91(b) or (9)(c) 5 points each:
List.....................................................................................................................................5
................................................................................................................................5
............. ..... .......................................... ........ ............... ................................................... 5
......................................I.................... ............................................................................
(1 1)
MISCSJ-ANECUS UNrrwPHOC1=5SES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials including wastes from mining
operations containing nitrogen or phosphorus compounds In amounts significantly greater than Is common
fordomestic wastewater............................................................................................................................4
(b)
Effluent Flow Equalization (not applicable to slorage basins which are inherem in land application systems) ...... 2
(c)
Stage Discharge (not applicable to storage basins inherent In land application systems)--------------------------------
(d)
Pumps......................................................................................................................................................
(a)
Stand -By Power Supply.............................................................................................
(f )
Thermal Pollution Control Device......................................................................................................2
TOTAL POINTS .. .......... ............................................................. =
ClassI...........................................................................................................5-25 Points
Class II......................................................................... .26-50 Points
classIII........................................................................................................51-65 Paints
GassIV.......................................................................................................66-Up Points
Facilities having a rating of one through four points, Inciuslve, do not require a certified operator.
Facilities having an activated sludge process W11 be assigned a minimum classification of Class II.
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class II.
Facilities having traatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class IIL
=4 DEFNRICNS
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physlcallchemical method for reducing soluble organic material from wastewater effluent; The column -type beds used In this
method will have a flow rate varying from two to eight gallons per minute per square loot and may be aither upflow or downllow carbon bads. Carbon may or
may not be reganerafad on the wastewater treatment plant site;
(2) Aerated Lagoons. A basin In which all solids are maintained In suspension and by which biological oxidation or organic matter is reduced through artiricially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeratlon. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, agitation or dlffusion;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time of le hours.
(4) Agriculturally managed site. Any sfte on which a crop Is produced, managed, and harvested (Crop includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonlum lion Is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xylene;
(6) Carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the
absorbed Impurities;
(7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary" effluent )Imits;
(8) Centrifugs. A mechanlcaf device In which centrifugal force Is used to separate solids from Ilqu Ids or to saparafe liquids of different dens,:as;
(9) Chemical Addition Systems- The addition of chemlcal(s) to wastewater at an application point for purposes of Improving solids removal, pH adjustment,
alkallnity control, etc.; the capability to experiment with d ffaraM chemicals and different application points to achieve a specific result will be considered one
system; the capability to add chemicals) to dual units will be rated as one system-, capability to add a chemical at a different application points for different
purposes will result In the systems being rated as separate systems;
(10) Chemical Sludge CondiVoning. The addition of a chemical compound such as ilme, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
Its application to a dewatering device;
(11) Closed Cycle Systems. Lisa of holding ponds or holding tanks for containmem of wastewater containij ,i Inorganic, non -toxic materials from %and, gravel,
crushed stone or other slmiiar operaions- Such systems shall carry a maxlrnum of two points rsgardless of pump;ng tacilitlas or any other appurtenances;
(12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nftriffcatbn- A single stage system requimd to achieve permit elfluerp limits on BCD
and ammonia nitrogen within the same biological reactor,
(13) Dechlorination. The partial or complete reduction of residual chlorine In a Ilquld by any chemical or physical process:
(14) Derthrificatlon Process. The conversion of nitrate -nitrogen to nitrogen gas;