WQ0002146_Final Permit_19970623

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
June 23, 1997
Mr. Lawrence D. Lively, V.P. Environmental Affairs
Gwaltney of Smithfield, Ltd.
900 Dominion Tower
999 Waterside Drive
Norfolk, Virginia 23510
Dear Mr. Lively:
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Subject: Permit No. WQ0002146
Gwaltney of Smithfield, Ltd.
Land Application of Wastewater Residuals
Sampson County
In accordance with your application received on March 3, 1997, we are forwarding herewith
Permit No. WQ0002146, dated June 23, 1997, to Gwaltney of Smithfield, Ltd. for the operation of a
wastewater residuals land application program.
This permit shall be effective from the date of issuance until May 31, 2002, shall void Permit No.
WQ0002146, issued September 16, 1992, and shall be subject to the conditions and limitations as
specified therein. Please pay particular attention to the monitoring and reporting requirements contained 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.
If you need additional information concerning this matter, please conta6FRic1 1V 66te at (919) 733-
5083 extension 527.
Sincere ,
�-A. Preston Howard, Jr., P.E.
cc: Sampson County Health Department
Gwaltney of Smithfield, Ltd.; Mr. Charles Fiero
Fayetteville Regional Office, Water Quality Section
Fayetteville Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit
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
RESIDUALS LAND APPLICATION 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
Gwaltney of Smithfield, Ltd.
Sampson County
operation of a wastewater residuals land application program consisting of the application of 1,000 GPD
of residuals from sources listed in Condition II 5, to approximately 61 acres of land in Sampson County
with no discharge of wastes to the surface waters, pursuant to the application received on March 3, 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 May 31, 2002, shall void Permit No.
WQ0002146, issued September 16, 1992, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
1. The Fayetteville Regional Office, telephone number [phone], and the appropriate
local governmental official (county manager/city manager) shall be notified at least twenty-
four (24) hours prior to the initial application of the residuals to a site so that an inspection
can be made of the application sites and application method. 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. In addition, the Sampson
County Manager's office must be notified prior to the initial application so that they will be
aware that the operation has commenced.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the sites are maintained and operated in a manner which will
protect the assigned water quality standards of the surface waters and ground waters.
3. The land application program shall be effectively maintained and operated as a non -
discharge system to prevent the discharge of any wastes resulting from the operation of this
program.

4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this program.
5. In the event that the land application program is not operated satisfactorily, including the
creation of nuisance conditions, the Permittee shall cease applying residuals to the sites and
take any immediate corrective actions as maybe required by the Division.
6. Some of the buffers specified below may not have been included in previous permits for
this land application operation. However, any sites or fields that are included in this
permit, but were approved with different applicable buffers shall be reflagged to comply
with the below buffers. The following buffer zones shall be maintained:
a) 400 feet from residences or places of public assembly under separate ownership for
surface application method; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and approval from the
appropriate DWQ regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
subsurface residual injection method; however, the buffer zone requirement may be
reduced to a minimum of 100 feet upon written consent of the owner and the
appropriate DWQ regional office,
c) 100 feet from any public or private water supply source, waters classified as SA or SB,
and any Class I or Class II impounded reservoir used as a source of drinking water for
both methods,
d) 100 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for surface application,
e) 50 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for subsurface application,
f) 50 feet from property lines for both surface and subsurface application methods;
g) 50 feet from public right of ways for both application methods,
h) 10 feet from upslope interceptor drains and surface water diversions for both
application methods,
i) 25 feet from downslope interceptor drains, surface water diversions, groundwater
drainage systems and surface drainage ditches for both application methods.
7. A copy of this permit shall be maintained at the land application site when residuals are
being applied during the life of this permit. A spill prevention and control plan shall be
maintained in all residuals transport and application vehicles.
8. Specific residual application area boundaries shall be clearly marked on each site prior to
and during application.
9. No residuals at any time shall be stored at any application site, unless approval has been
requested and obtained from the Division of Water Quality.
10. Maximum slope for residual application shall be 10% for surface application and 18% for
subsurface applications.
11. When residuals from an animal processing facility are being land applied, one of the
following stabilization methods shall be completed to control possible nuisance conditions:
a. The residuals are subsurfacely injected, or
b. The residuals are incorporated into the soil within 24 hours, or
c. Sufficient lime is added to the residuals to create a uniform mixture and
achieve a pH of 10 for thirty minutes prior to being surface land applied.
2

11. OPERATION AND MAINTENANCE REQUIREMENTS
I . The facilities and application sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover, as listed in condition II 4, shall be maintained in accordance
with the crop management plan outlined by the local Extension Office of the Department of
Agriculture, the Natural Resources Conservation Service, or other agronomist, and
approved by this Division.
3. An acceptable pH must be maintained in the soil, residual and lime mixture, greater than
6.0, on all land application sites to insure optimum yield for the crop(s) specified below.
The agronomist shall provide information on the pH best suited for the specified crop and
the soil type.
4. The application rates shall not exceed the following for the specified crops:
Crop PAN lb./acrel yr.
5.
go
Alfalfa
200
Bermuda Grass (Hay, Pasture)
220
BIue Grass
120
Corn (Grain)
160
Corn (Silage)
200
Cotton
70
Fescue
250
Forest (Hardwood & Softwood)
75
Milo
100
Small Grain (Wheat, barley, oats)
100
Sorghum, Sudex (Pasture)
180
Sorghum, Sudex (Silage)
220
Soybeans
200
Timothy, Orchard, & Rye Grass
200
No residuals other than the following are hereby approved for land application in
accordance with this permit:
Source County Volume
Gwaltney of Smithfield, Ltd. Sampson
1,000 GPD
The metal Ioading rates shall not exceed the following Curn alative Pollutant loading rates:
Kilograms Pounds
Parameters jer Hectare per Acre
Arsenic
41
36
Cadmium
39
34
Copper
1,500
1,338
Lead
300
267
Mercury
17
15
Molybdenum
----
----
Nickel
420
374
Selenium
100
89
Zinc
2,800
2,498
3

7. The pollutant concentrations in the residuals which will be applied to the land shall not
exceed the following Ceiling Concentrations (Dry Weight Basis):
Parameters mg/ka
Arsenic
75
Cadmium
85
Copper
4,300
Lead
840
Mercury
57
Molybdenum
75
Nickel
420
Selenium
100
Zinc
7,500
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified land application/residuals operator to be in responsible charge (ORC) of
the land application program. The operator must hold a certificate of the type classification
assigned to the land application program, by the Certification Commission. The Permittee
must also employ a certified back-up operator of the appropriate type to comply with the
conditions of Title 15A NCAC 8A, .0202.
9. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored residuals into any surface waters.
10. Surface applied residuals will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
11. For areas that are prone to flooding or within the 100-year flood elevation, residuals may
be applied only during periods of dry weather. The residuals must be incorporated into the
soil within twenty-four (24) hours after application.
12. Appropriate measures must be taken to control public access to the land application sites
during active site use and for the 12-month period following the last residual application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
13. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the residuals application area onto the adjacent property or into
any surface waters.
14. Residuals shall not be applied in inclement weather or until 24 hours following a rainfall
event of 1/2-inch or greater in 24 hours. Any emergency residuals disposal measures must
first be approved by the Division of Water Quality.
15. Residuals shall not be applied to any land application site that is flooded, frozen or snow-
covered.
lb. Residuals shall not be applied at rates greater than agronomic rates, unless authorized by
the Division.
17. Animals shall not be grazed on an application site for 30 days after residuals application.
Application sites that are to be used for grazing shall have fencing that will be used to
prevent access after each application.
II

18. Food crops, feed crops and fiber crops that do not come in contact with the residuals shall
not be harvested for 30 days after residuals application.
19. Food crops with harvested parts that touch the residual/soil mixture and are totally above
the land surface (ex. tobacco, melons, cucumbers, squash, etc.) shall not be harvested for
14 months after residuals application.
20. Food crops with harvested parts below the surface of the land (root crops such as potatoes,
carrots, radishes, etc.) shall not be harvested for 20 months after application of residuals
when the residuals remain on the land surface for four (4) months or longer prior to
incorporation into the soil.
21. Food crops with harvested parts below the surface of the land shall not be harvested for 38
months after application of residuals when the residuals remain on the land surface for less
than four (4) months prior to incorporation into the soil.
22. Turf shall not be harvested for 1 year after residuals application if the turf is to be placed on
land with a high potential for public exposure.
MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, residuals, soil, or plant tissue
analyses) deemed necessary by the Division of Water Quality to insure protection of the
environment will be established and an acceptable sampling and reporting schedule shall be
followed.
2. Proper records shall be maintained by the Permittee tracking all application activities.
These records shall include, but are not necessarily limited to the following information:
a. source of residuals
b . date of residual application
c. location of residual application (site, field, or zone #)
d . method of application
e. weather conditions (sunny, cloudy, raining, etc.)
f . soiI conditions
g . type of crop or crops to be grown on field
h . volume of residuals applied in gallons/acre, dry tons/acre or kilograms/hectare
i. annual and cumulative totals of dry tons/acre of residuals, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to arsenic,
cadmium, copper, lead, mercury, molybdenum, nickel, selenium and zinc), annual
pounds/acre of plant available nitrogen (PAN), and annual pounds/acre of phosphorus
applied to each field.
A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
on each site receiving residuals in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years.
The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the
following parameters:
Acidity
Calcium
Copper
Magnesium
Base Saturation (by calculation)
Cation Exchange Capacity
Manganese Potassium
Percent Humic Matter Sodium
pH Zinc
Phosphorus
5

The Standard Soil Fertility Analysis (see above) and an analysis for the following
pollutants shall be conducted once prior to permit renewal on soils from each site which has
received residuals during the permit cycle.
Arsenic Mercury Nickel
Cadmium Molybdenum Selenium
Lead
4. A residuals analysis will be conducted annually from the date of permit issuance by the
Permittee and the results maintained on file by the Permittee for a minimum of five years.
If land application occurs at a frequency less than annually a residuals analysis will be
required for each instance of land application. The residuals analysis shall include but is
not necessarily limited to the following parameters:
Arsenic
Calcium
Cadmium
Nitrate -Nitrite Nitrogen
Copper
Magnesium
Lead
% Total Solids
Mercury
pH
Molybdenum
Phosphorus
Nickel
Plant Available Nitrogen (by calculation)
Selenium
Potassium
Zinc
Sodium
Aluminum
TKN
Ammonia -Nitrogen
5. All residuals included in this permit must be monitored annually from the date of permit
issuance, for compliance with condition I 11 of this permit. Data to verify stabilization and
vector attraction reduction of the residuals must be maintained by the Permittee. The
required data is specific to the stabilization process utilized, but should be sufficient to
clearly demonstrate compliance the Class A pathogen requirements in 40 CFR Part
503.32(a) or with the Class B pathogen requirements and site restrictions in 40 CFR Part
503.32(b), and one of vector attraction reduction requirements in 40 CFR Part 503.33. In
addition, the EPA certification statements concerning compliance with pathogen
requirements, vector attraction reduction requirements and management practices must be
completed annually by the proper authority or authorities if more than one is involved,
either the person who prepares the residuals, the person who derives the material, or the
person who applies the residuals.
6. Three copies of all required monitoring and reporting requirements as specified in
conditions III 1, III 2,1113, III 4, III 5 shall be submitted annually on or before March 1 of
the following year to the following address:
NC Division of Water Quality
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
31

7. Noncompliance Notification:
The Permittee shall report by telephone to the Fayetteville Regional Office, telephone
number [phone] as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence with the land application program which results in the land application
of significant amounts of wastes which are abnormal in quantity or characteristic.
b . Any failure of the land application program resulting in a release of material to receiving
waters.
c. Any time that self -monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d . Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate residual treatment.
e. Any spillage or discharge from a vehicle or piping system transporting residuals to the
application site.
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. GROUNDWATER REQUIREMENTS
1. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. 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). The sale of property' by the Permittee, which is within or
contiguous to the disposal system site, may alter location of the compliance boundary.
For facilities permitted on or after December 30, 1983, the Compliance Boundary is
established at the lesser of 250 feet from the application field or 50 feet within the property
boundary.
If the title for any property which may affect the location of the Compliance Boundary" is
changed, the Permittee shall notify the Division Director within 14 days. The Director shall
then establish a modified Compliance Boundary which will be done as a modification to the
permit.
2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
7

V.
1A-1
INSPECTIONS
The Permittee or his designee shall inspect the residuals storage, transport, and application
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 five years from the date of the inspection and shall be made available to the
Division of Water Quality or other permitting authority, upon request.
2. Any duly authorized officer, employee, or representative of the Division of Water Quality
may, upon presentation of credentials, enter and inspect any property, premises or place on
or related to the application 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 kept
under the terms and conditions of this permit; and may obtain samples of groundwater,
surface water, or leachate.
GENERAL CONDITIONS
This permit shall become voidable unless the land application activities are carried out in
accordance with the conditions of this permit, the supporting materials, and in the manner
approved by this Division.
2. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
3. This permit is not automatically transferable. In the event that there is a desire for the
facilities to change ownership or a name change of the Permittee, a formal permit request
must be submitted to the Division of Water Quality accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may -or may
not be approved.
4. The following are approved sites for residuals application (see attached map[s]).
Application Area [acres]
Site No. Owner/Lessee (excluding buffers)
Sampson County
I Gwaltney of Smithfield, Ltd. 3
II Ralph Bass 8
III Ralph Bass 50
TOTAL ACRES IN COUNTY 61
TOTAL AVAILABLE ACRES 61
5. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Water Quality in accordance with
North Carolina General Statute 143-215.6(a) to 143-215.6(c).
M.

6. 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 15 NCAC 2H .0205
(c)(4)•
7. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
S. The Permittee, at least six (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.
9. This permit may be modified, or revoked and reissued to incorporate any conditions,
limitations and monitoring requirements the Division of Water Quality deems necessary in
order to adequately protect the environment and public health.
10. This permit shall become voidable unless the agreements between the Permittee and the
I andowners/les sees are in full force and effect. The land owner agreements are considered
expired concurrent with the expiration date of the permit and must be renewed at the same
time the permit is renewed.
Permit issued this the twenty-third day of June, 1997.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0002146
9

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HATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
ccJa/ *."
Of' Srri Z%; / a
4fc3%
Owner or Contact -Person:
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Mailing Address: PO_
4',17
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County: S a..Ps�
__Telephone:
Present Classification:
New Facility
Existing Facility
NPDES Per. No. NC00
Nondisc.
Per. No.WO-4192241,z6 Health Dept.Per No.
Rated by:
Telephone:
Date:
Reviewed by:
Health Dept.
Telephone:
Regional Office
Telephone:
Central Office
Telephone:
ORC: -6-ca
<
Grade:
Teleph e:
Check Classification(s):
Subsurface
Spray Irrigation
I Land Application
Wastewater Classification: (Circle One) 1
11 111 IV
Total Points:
-Ieli
L__
SUBSURFACE CL SSiFICr4TION
(check all units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4, sand filters
5. grease trapfinterceptor
6. oil/water separators
7, gravity subsurface treatment and disposal:
S. pressure subsurface treatment and disposal:
SPRAY IRRIGATION Ct ASStFiCATION
(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 _____ldisinfection
10.
chemlral addition for nutrientlalgae 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 wilt require an operator with an appropriate dual certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
I. Land application of bicsolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITY CLASSIF)CATION
The following systems shall be assigned a Class I clasalcation, unless the flow €s 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. O!Vwater Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic TanklSand F€fter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fitters, 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 ,J;
6. Aquacufture 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 If upon inspection by the Division, it is found that the system is not being adequately operated of 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)
ITEM POINTS
(1) Industrial Pretreatment Units or Industrial Pretreatment Program (see definition No. 33)...................................................4
(2) DESIGN FLOW OF PLANT IN gpd [not applicable to non -contaminated cooling waters, sludge handling facilities for
water purification plants, totally closed cycle systems(sae definition No. 11), and facilities consisting only of ham
(4)(d)
or items (4)(d) and (11)(d)]
0 - 20.000...............................................................................................................................1
20,001 - 50,000......................................................................................................................................2
50,001 - 100.000....................................................................................................................................3
100.001 - 250,000...................................................................................................................................4
250,001 - 500,000..........................................................................................................__......................5
500,001 - 1,000,900 ..................................................................................._..............................._............a
1.000,001 - 2,006,000.............................................. .............................................................................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) PRELIMINARY UNITSIPROCESSES (see definition No.321
(a)
BarScraens.................................................................................. ...t
or
(b)
Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2
(c)
Grit Removal..........................................................................................................................................1
or
(d)
Mechanical or Aerated Grit Removal ........................ ........ ............................................................................. 2
(e)
Flow Measuring Device................................................................................................................................1
or
(f)
Instrumented Flow Measurement ................................................................ .........................2
(g)
Praaeratlon............................_.........._.................................................__..2
(h)
Influent Flow Equalization ...................................
(1)
Grease or Oil Separators - Gravity................................................................................................ .......2
Mechanical.................................................................................................................................................3
Dissolved Alr Flotation............................................•.•..•..•....................--.....................................................a
(1)
Prechlorination......................... ....................................................... .......................................................... 5
(4) PRIMARYTREATMENTLNrFVPROCESSES
(a)
Septic Tank (sea definition No. 43)........................................................................................................2
(b)
Imhoff Tank............................................................................................................................................5
(c)
Primary Clariflers..-»................................
(d)
Settling Ponds or Settling Tanks for lrwrgallo Ncrrloxk Materials (sludge handling facilities for water
pur'rf€cation plants, sand, gravel, stone, and other mining operations except recreational activities such as gem
orgold mining)...........................................--•--..............._........--............................._........2
(5) SEC�TREATMENT tNITS+PROCESSES
(a)
Carbonaceous Stage
{i) Aeration-Mgh Purity Oxygen System..............................................................................20
DiffusedAir System.........................................................................•...._.._._...................10
Mechanical Air System (fixed, floating or rotor) .......................................................
Separate Sludge Reaeratlon............................................................................................ 3
(li} Trickling Filter
HighRate........................................................................_......._.._..........7
StandardRate...............................................................................................................
PackedTower......................................................................................--..................5
(fit) Biological Aerated Filter or Aerated Biological Filter 0
(Iv) Aerated Lagoons..............---......................................................__......--..........10
(v) Rotating Biological Conta=rs.................................................................................... .10
(vi) Sand Filters -Intermittent biological......................._..........•......___....._.._...........................2
Recirculatingbiological....................................................................................................3
(vii) Stabilization Lagoons........................................•-•--........................................................5
(vii€) Clarifier.........................................................................••--......-_.....................................5
(fx) S€ngla stage system for combined carbonaceous removal of BOD and nitrogenous removal by
nitrification (sae definition No. 12){Points for this hem have to be in addition to items
(5)(a)(1) through (5)(a)(v€€i),
utlllzing the extended aeration process (see definition No.3a)..........................................2
utilizing other than the extended aaradon process ..................................................... ... a
(x) Nutrient additions to enhance BOD removal......................................................................5
(x1) Biological Culture (-Super Bugs')additlon........................................................................5
(b)
Nitrogenous Stage
(1) Aeration - High Purity Oxygen System...................................._...._....----._.....................20
DiffusedAir System.......................................................................................................1 0
Mechanical Air System (fixed, floating or rotor) .......... _..... ............................... .............
Separate Sludge Roasmtfon............................................................................................2
(11) Trickling Flier -High Rate .................................................................. ................................7
Standard Rat* .................. _........................................................................................... 4
PackedTower............................................................. ................................................... .5
(if[) Biological Aerated Filter or Aerated Biological 0
(IV) Rotating Biological Confactors......................................................................................1 0
(v) Sand Filter - Intermittent bloiogical...................................................................................2
Recirculating biological...................................................................._......._.......3
5
(6) TERTWRYORADVANCEDTRFATME T[NrFS1PROCESSF�
(a)
Activated Carbon Beds -
without carbon regeneratfon....................._..__............................,..................................5
withcarbon regeneration................•.•.....--•--._....................................-------•----......•.................15
(b)
Powdered or Granular Activated Carbon Food -
without carbon regeneration.................................................................................................5
xhh carbon regeneration............................................ .........................................................1 5
(c)
Air stripping..........................................................__........_...5
(d)
Danhrificatlon Process..................................................................----............_.........................10
(a)
Elactrodfalysis......................................................._.......__._..............._...............................................5
(f)
Foam Separatlon.............................._•......_.................................---........_.......5
(g)
Ion Exchange ................................ ...............................•....................---............__..............................5
(h)
Land Application of Treated Etfluert (see definition No. 22b) (not applicable for sand, gravel, stone
and other similar mining operations) by high rate Infiltration. .-.....-.-_...__..._..._..................--..._..-- _.......... 4
(1)
Microscraens...................................................................................,....__.............__...........5
(1)
Phosphorous Removal by Blclogicaf Processes (Soo dogri4lon No, 26)........................................................20
(k)
Polishing Ponds - without aeration ............... _........................................................................ __.............. 2
withaeration .... _............. ........................................ ................................................. .5

(1)
Past Aeration - cascade .......... ..................................... ..................................... .......................................... a
diffusedor 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 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide............................................1 5
(7)
SLUCGETREATMENT
(a)
Sludge Digestion Tank - Heated (anaerobic)...............................................................................................1 0
Aerobic 5
Unheated(anaerobic).................................................................................... ..
(b)
Sludge Stabilization (chemical or thenTW)...................................................................................................5
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
VacuumAssisted......................................................................................................................................5
(d)
Sludge Elutriation.....................................................................................................................................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) ..................
(I)
Sludge Holding Tank - Aerated...................................................................................................................5
Non -aerated ................................................ 2
(J)
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices ..... ... .........................................10
(8)
RESIDUALS UTiL¢ATIOWDISPOSAL (indudfng incinerated ash)
(a)
Lagoons .............................. .........................•....••....•................................................................_...............2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
orlandfill permit............................•................................................................--...._......................._............2
(a)
Dedicated Lancifill(burial) by the permittee of the wastewater treatmentfacility..._.................... „................ ..S
9
( )
(a)
Chlorination..............................................................................................................................................
(b)
Dechlorinalion....••••••••.......................................................................................• 5
(c)
Ozone.......................•-•........................_.•.._.•.._.................•---.............».............-•.•-.••-...--•._..............._...._..5
(d)
Radiation..................................................................................................................................................5
(10)
CHEMICAL ADDITION SYSTEM(S) ( see definition No. 9) [not applicable to chemical additions rated as item (3)(1).
(5)(a)(xi),
(6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each.,
List......................................................................................................................................5
.---•.................................................•-•..................................................._.......................5
....................................................................................................................................5
(1 1)
....................... ..........................•---••------._--•..
._.................................................. —...........
M SCELLANEOUS UNrfSrPi70CESSES
(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 storage basins which are inherent in land application symems).....2
(c)
Stage Discharge (not applicable to storage basins Inherent In land application
(d)
Pumps .............. .:......................................... ••......3
(e)
Stand -By Power Supply ...................... ........................
(f)
.....3
Thermal Pollution Control Device................................................................................................................3
TOTALPOINTS..........................................................................
CLASSiFiCATICN
Class.....................................................................................................5-25 Points
ClassIl........................................................................................................26.50 Points
Classill........................................................................................................51.65 Points
ClassN.................................... ........................................................ .......... 66-Up Points
-------------
Facilities having a rating of one through four points, inclusive, do not require a certified operator.
Facilities having an activated &fudge process will 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 treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class ill.
-------------------------------------------------------------
DC01 DEFINrrK)NS
The following definitions shall apply throughout this Subchapter.
(1) Activated Carbon Beds. A physlcallchemicaf method for reducing soluble organic material from wastewater effluent; The column -type beds used in this
method will have a flow rate varying from two to eight gallons per minute per square foot and may be either upflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant she;
(2) Aerated Lagoons. A basin In which all solids are maintained In suspension and by which biological oxidation or organic matter is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about Intimate contact betwean air or high purity oxygen In a liquid by spraying, agitation or d1ffuslon;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention time of is hours.
(4) Agriculturally managed site. Any site on which a crop is produced, managed. and harvested (Crop Includes grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium Ion Is first converted to dissolved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and xyfene;
(6) Carbon RageneratlorL The reger*ra0on 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 limits;
(8) Centrifuge. A mechanical device In which centrifugal force is used to separate solids from liquids or to separate liquids of different dens"r.!as;
(9) Chemical Addition Systems- The addition of chemicals) to wastewater at an application point for purposes of improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to experiment with different chemicals and different application points to achleve a specific result will be ccnsrdered one
system; the capability to add chamical(s) 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 Conditioning. The addhlon of a chemical compound such as lime, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
its application to a dewatering device;
(11) C;osed Cycle Systems_ Use of holding ponds or holding tanks for containment of wastewater conta;ning Inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operallons. Such systems shall carry a maximum of two points regardless of pumping facilhiss or any other appurtenances;
(12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nitrification- A single stage system requlmd to achieve permit effluent limits on BOD
and ammonia nitrogen within the same biological reactor,
(13) DechlorinatlorL The partial or complete reduction of residual chlorine In a liquid by any chemical or physical process;
(14) Denftrtficatlon Process_ The conversion of nitrate -nitrogen to nitrogen gas;

(15) Electrodatysis. Process for removing Ionized salts tram water through the use of ion -selective Lon -exchange membranes;
(16) Filler Press. A process operated mechanically for parifally dewalering sludge;
(17) Foam Separation. The planned frothing 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 loam fractionation;
(18) Grit Rsmovai. The process of removing grit and other heavy mineral matter from wastewater;
(18) Imhoff Tank. A deep two story wastewater tank consisting of an upper sedimentation chamber and a sower sludge digestion chamber.
(20) Instrumented Flow Measurement. A device wh;ch indicates and records rate of liow;
(21) Ion Exchange. A chemical process In which kits from two different molecules are exchanged-,
(22) land appfication:
(a) Sludge D+sposal. A Mal sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injecti
(I.e., chisel plow); [not applicable for types of sludge described In (11) of this Rulej;
(b) Treated Effluent. The process of spraying treated wastewater onto a land area or other methods of application of wastewater onto a land area as a
means of final disposal or treatment;
(23) Microscreen A low speed, continuously back -washed, rotating drum filtor operating under gravity conditions as a polishing method for removing
suspended solids from effluent;
(24) Nitrification Process. The biochemical conversion of unoxidized nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate);
(25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxWanoxic process designed to enhance luxury uptake of phosphorus
by the microorganisms;
(27) Polishing Pond. A holding pond following secondary treatment with sufficient deterdion time to allow settling of finely suspended scllds;
(28) Post Aeration Aeration following corrvontionaf secondary treatment units to Increase effluent D.O. or for any other purpose;
(29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen Is added to the effluent by a nonmechanical, gravity means of flowing down a
sends of steps or worry; The flow occurring across the steps or weirs moves in a fairly thin layer and the operation of the cascade requires no operator
adjustment; thus, zero points are assigned even though this Is an essential stop to meeting the limits of the discharge permit,-
(30) Powdered to Granular Activated Carbon Feed. A biophysical carbon process that utlifzes biological activity and organic absorption by using powdered or
granular activated carbon; Virgin or regenerated carbon is feed control;ad Into the system;
(31) PreaeraOon A tank constructed to provide aeration prior to primary treatment;
(32) Preliminary Units, Unh operatlons in the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operas#ors;
(33) Industrial Pretreatment.
(a) Pre-treatment Unit, Industrial. 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 treatment process which is operated by the same governing body as the wastewater
treatment plant being rated',
b) Pre-treatment Program, Industrial - mast be a State or EPA required program to receive points on the rating sheet;
(34) Primary Clarfliers. The first satlArsg tanks through which wastewater is passed In a treatment works for the purpose of removing settleable and suspended
solids and BOO which Is associated with the solids;
(25) Pumps. A11 Influent, effluent and In -plant pumps;
(36) Radiation Disinfection or sterilization process utilizing devices emitting ultraviolet or gamma rays;
(37) Reverse Osmosis. A treatment process In which a heavy contamlrtated liquid Is pressurized through a membrane forming nearly pure liquid free from
suspended solids;
(38) Rotating Biological Contactors. A fixed biclogical growth process In which wastewater flows through tanks In winch a series of partially submerged circular
Surfaces are rotated;
(39) Sand Filters:
(a) Intermittent Blologlca3. Filtration of effluent following septic tanks, lagoons, or some other treatment process In which further biodecomposltlon is
expected to produce desired effluents; Hydraulic loading rates on these flitors are computed In gpolac and have a resulting taw gprrVsl (less than one);
b) Recirculating biolcgical - the same type of sand fitter as defined in Subparagraph (39) (a) Of this Rule with the added capability to recycle effluent back
through the sand filter,
(40) Sand or Mixed -Media Fillers. A polishng process by which effluent f its are achieved through a further reduction of suspended solids;
(a) low rate — gravity, hydrauflcally loaded liltor with loading rates In the one to three gpmrsf range;
(b) high rate — a pressure, hydraulically kaded fitter with loading rates In the five gpmisf range; At any rate, the loading rate will exceed three gprrVsf;
(41) Secondary Clariliers. A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with the
biological treatment units;
(42) Separate Sludge Reaeretlon. A part of the contact stabilization process where the activated sludge is transferred to a tank and aerated before resuming it
to the contact basin;
(49) Septic Tank A single -story settling tank in which settled sludge Is In contact with the wastewater flowing through the tank; shall not be applicable for
septic tank systems serving single family ros+dences having capacity of 2,000 gallons or 4ess which dscharge to a nitrification field;
(44) Sludge Digestion. The process by which organic or volatile matter and sludge is gaff ad, liquefied mineralized or converted into more stable organic matter
through the activity of living organisms, which includes aerated holding tanks;
(45) Sludge Drying Beds. An area comprising natural or artfficial sayers of porous materta4s upon whlrh digested sewage sludge Is dried by drainage and
evaporation;
(4-6) Sludge Eiutriation. A process of sludge conditioning in which certain constituents are removed by successive washings cosh fresh water or plant effluent;
(47) Sludge Gas Utlfization The process of using sewage gas for the purpose of heating buildings, driving engines, etc-;
(45) Sludge Holding Tank (Aerated and Nonaerated). A tank utilized for small wastewater treatment plants not conlalning a digester In which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (i.e. sludge drying beds); This may be done by adding a small amount of air slmpiy to keep the
sludge fresh, but not necessarily an amount that would be required to achieve stabitlzaticn of organic matter. A nonaarated tank would simply be used to
decant sludge prior to dowatering and would not allow long periods (several days of detention) without resulting odor problems;
(49) Sludge Incinerators. A furnace designed to bum sludge and to remove all moisture and combustible materials and reduce the sludge to a sterile ash;
(50) Sludge Stabilization (Chemical or Thermal}. A process to make treated sludge less odorous and putrescible, and to reduce the pathogenic organism
content; This may be done by pH adjustment, chlorine dosing. or by heat treatment;
(51) Sludge Thickener. A type of sedimentation tank in which the sludge Is permitted to settle and thicken through agitation and gravity;
(52) Stabilization lagoon A type of oxidation lagoon In which biological oxidation of organic matter Is ofiected by natural transfer of oxygen to the water from
air (not a polishing pond);
(53) Sland-By Power Supply. On site or portable electrical generating oqulpment,
(54) Static Screens. A stationary screen designed to remove solids, including non -biodegradable particulate (ffoalable solids, suspended solids and BOO
reduction) from municipai and industrial wastewater treatment systems;
(55) Tertiary Treatment. A stage of treatment following secondary wflich Is primarily for the purpose of effluent polishing; A settling lagoon or sand or coal fitter
might be employed for this purpose;
(56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing in tubes to another fluid outside the tubes, Or vice versa;
or other means of regulating liquid temperatures;
(57) Thermal Sludge Conditloner. A conditioning process by which heat is added for a protracted period of time to Improve the dewaterablifty of sludge by the
sclubilizing and hydraullzing of the smaller and more highly hydrated sludge particles;
(58) Toxic Matanals. Those wastes or cornWnatlors of wastes, including dlsease-causing agerts which after discharge and upon exposure, Ingastlon. Inhalatlon
or assimilation Into any Organism, ofther directly from the environment or indirectly by Ingestlon through food chains, will cause death, dicaasa, behavloral
abnormalities, rancor, genellc mutations, physlological malfunctlons (including malfunctions In reproduction) or physical deformations. In such organisms or their
offspring; Toxic materials Include, by way of illustration and not limitation: lead, cadrrium, chromium, mercury, vanadium, arsenic, zinc, ortho-nflracNorobenzene
(ONCE), poiychlorinatud blphenyls (PCBs) and dichbrodiphen)t trichioroethane (DDT); and any other materials that have or may hereafter be determined to have
toxic properties-,
(59) Trickling Filter. A biological treatment unit consisting of a material such as broken stone or rock over which wastewater Is distributed; A high rate trickling
filter Is one which operated al between 10 and 30 mgd par acre. A low rate trickling filter is one which is designed to operate at one to lour mgd per acre'
(60) Trickling Filter (Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of medla or tiftrate maleriat; Organic
material Is removed continually by the active biological fixed y owth In each successive layer. This method may produce 'secondary' quality effluent, or may be
adapted to produce a nitrified effluent;
(61) Vacuum Ffter, Centrifuges, or Filter Presses. Devices which are designed to remove excess water from either dlgasled or undigested sludge prior to disposal
or further treatment.