WQ0005578_Final Permit_19930129

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27604
James B. Hunt, Jr., Governor
January 29, 1993
Mr. Douglas Ace Potter
George W. Potter Septic Tank Service
5941 Carolina Beach Road
Wilmington, North Carolina 28412
Jonathan B. Howes, Secretary
Subject: Permit No. WQ0005578
George W. Potter Septic Tank Service
Land Application of Sludge
Pender County
Dear Mr. Potter:
In accordance with your application received June 25, 1992, we are forwarding herewith Permit
No. WQ0005578 dated January 29, 1993, to George W. Potter Septic Tank Service for the operation of a
land application of sludge program. This permit amendment is being issued to approve three (3) additional
sludge sources.
This permit shall be effective from the date of issuance until December 31, 1996, 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. Issuance of
this permit hereby voids Permit No. WQ0005578 issued January 24, 1992. Please note that this permit
contains conditions that require a TCLP analysis for each individual sludge source classified as industrial
or municipal. Also, the general application rate for Forest Areas has been removed from condition 11.3.
If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have
the right to request an adjudicatory hearing upon written request within 30 days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 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.
Regional Offices
Asheville Fayetteville Mooresville Raleigh Washington Wilmington Winston-Salem
704/251-6208 919/486-1541 704/663-1699 919/571-4700 919/946-6481 919/395-3900 919/896-7007
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

If you need additional information concerning this matter, please contact Mr. John Seymour at 919/
7.33-5083.
Sincerely,
x
A. Preston oward,
Acting Director
cc: Pender County Health Department
Joseph S. Hill, Jr., and Associates
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Jack Floyd, Groundwater Section Central Office
Training and Certification (no rating change)
Facilities Assessment Unit, Karen Colby
Jr., P.E.

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SLUDGE 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
George W. Potter Septic Tank Service
Pender County
f HE1 ,
operation of a sludge land application program consisting of the application of approximately 176.49 dry
tons per year of sludge from the wastewater treatment facilities listed in condition IIA of this permit, to
approximately 56.4 acres of land (49 acres usable), as listed in condition VI.S, in Pender County with no
discharge of wastes to the surface waters, pursuant to the application received June 25, 1992, 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 apart of this
permit.
This permit shall be effective from the date of issuance until December 31, 1996, and shall be
subject to the following specified conditions and limitations:
1. This permit shall become voidable if the soils fail to adequately absorb 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.
2. 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.
3. The issuance of this permit shall not relieve the Perrittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
4. In the event that the land application program is not operated satisfactorily, including the
creation of nuisance conditions, the Permittee shall cease applying sludge to the sites and
take any immediate corrective actions, including the construction of additional or
replacement wastewater treatment or disposal facilities.
5. No crops for direct human consumption shall be raised on these sites for a period of 18
months following sludge application.
6. Maximum slope for sludge application shall be 10% for surface application and 18% for
subsurface applications.

7. 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 the appropriate
DEM regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
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 DEM
regional office,
c) 100 feet from "SA and SB" classified waters and public surface water supplies for
both methods,
d) 50 feet from "WS" classified waters and other streams, creeks, lakes, rivers, and
surface water drainage ways for injection method,
e) 100 feet from "WS" classified waters and other streams, creeks, lakes, rivers and
surface water drainage ways for surface application method,
f) 100 feet from property lines for both methods; however, this requirement may be
reduced to 50 feet upon written concurrence from the adjoining property owner and
the appropriate DEM regional office,
g) 50 feet from public right of ways for surface application methods,
h) 25 feet from public right of ways for subsurface disposal methods,
i) 10 feet from upslope interceptor drains and surface water diversions for both
methods,
j) 25 feet from downslope interceptor drains, surface water diversions, groundwater
drainage systems and surface drainage ditches for both methods.
Some of the buffers specified above may not have been included in previous permits
for this land application operation. Any sites or fields that are included in this permit,
but were approved with different applicable buffers, will continue to be regulated by
those originally approved buffers. All new sites and fields will be regulated by the
buffers specified above.
A copy of this permit shall be kept at the land application site when sludge is being applied
during the life of this permit. A spill prevention and control plan shall be kept in all sludge
transport and application vehicles.
9. All sludges included in this permit must be stabilized by a process to significantly reduce
pathogens (as described in 40 CFR Part 257, Appendix II) prior to application or
incorporation. An evaluation of all sludges as specified in condition 1114 must be conducted
as to their ability to demonstrate compliance with this requirement. Upon request, a copy
of this report must be submitted to the Assistant Chief for Operations, Division of
Environmental Management, Water Quality Section, Operations Branch, PO Box 29535,
Raleigh, NC 27626-0535.
10. Specific sludge application area boundaries shall be clearly marked on each site prior to and
during sludge application.
11. No sludge at any time shall be stored at any application site.
1. The facilities and disposal sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover as listed in condition 113, shall be maintained in' accordance
with the crop management plan approved by this Division.
Pa

3. The application rates shall not exceed the following for the specified crops:
Crop- -
PAN (lb./acrel)r)
__ ,—. _
Alfalfa
250
Blue Grass
220
Coastal Bermuda Grass
350
Corn (Silage & Grain)
200
Cotton
100
Fescue
250
Small Grain (Wheat, barley, milo, oats)
100
Sorghum
120
Soybeans
150
Sudex (Hay)
160
Sudex (Silage)
200
Timothy, Orchard, & Rye Grass
200
4. No sludges other than the following are hereby approved for land application in accordance
with this permit:
Permit
Estimated
Source
County
Number_
Volume (dU tons . ear
Town of
Pender
NCO021113
175
Burgaw
Old Point
Pender
WQ0001970
0.43
Subdivision
Belvedere
Pender
WQ0001664
0.65
Plantation
Subdivision
Corning, Inc.
New Hanover
N-321
0.41
City of Wilmington
------------
Total 176.49
5. The lifetime heavy metal loadings shall not exceed the following for the corresponding
Cation Exchange Capacities (CEC):
Lifetime Loadings (lbs/acr)
Pommet
CEC < 5
Lead
500
Zinc
250
Copper
125
Nickel
125
Cadmium
4.5
6. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter SA, .0202.
3

7. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored sludge material into any surface waters.
8. Animals shall not be grazed on sludge applied land within a 30-day period following the
sludge application. Application sites that are to be used for grazing shall have fencing that
will be used to prevent access after each application.
9. Surface applied sludge will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
10. For areas that are prone to flooding or within the 100-year flood elevation, sludge may be
applied only during periods of dry weather. The sludge must be incorporated into the soil
within twenty-four (24) hours of application.
11. 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 sludge application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
12. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the sludge application area onto the adjacent property or into the
surface waters.
13. Sludge 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 sludge disposal measures must first be
approved by the Division of Environmental Management.
14. The site shall be adequately limed to a soil pH of at least 6.5 prior to sludge application.
Sludge may be applied to sites with a pH of less than 6.5 provided a sufficient amount of
lime is also applied to achieve a final pH of the Tune, sludge and soil mixture of at least 6.5.
III. MONITORIN-G_AND REPO$TING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, sludge, soil, or plant tissue
analyses) deemed necessary by the Division of Environmental Management to insure
protection of the environment will be established and an acceptable sampling and reporting
schedule shall be followed. If monitoring data indicates minimal or no concern to the
Division, reduction of monitoring requirements may be pursued after two annual reporting
periods.
2. Proper records shall be maintained by the Permittee tracking all disposal activities. These
records shall include, but are not necessarily limited to the following information:
a) source of sludge
b) date of sludge application
c) location of sludge application (site, field, or zone #)
d) method of application
e) weather conditions
f) soil conditions
g) type of crop or crop to be grown on field
h) volume of sludge applied in gallons/acre and dry tons/acre
i) annual and cumulative totals of dry tons/acre of sludge, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to lead,
nickel, cadmium, copper and zinc), annual pounds/acre of plant available nitrogen
(PAN), and annual pounds/acre of phosphorus applied to each field.
I,1

3. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving sludge 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:
% Base Saturation
Magnesium
Phosphorus
Potassium
Leadl
Zinc l
pH
Manganese
Cation Exchange Capacity
Sodium
Nickell
Cadmiuml
Copperl
Calcium
1 Soils analysis for these parameters shall be conducted once prior to permit renewal on
soils from each site which has received sludge during the pen -nit cycle.
4. A quarterly sludge analysis for each individual sludge source and annual Toxicity
Characteristics Leaching Procedure (TCLP) analysis for each source classified as industrial
or municipal shall be conducted by the Perrnittee and the results maintained on file by the
Permittee for a minimum of five years. If land application occurs at a frequency less than
quarterly, sludge analysis will be required for each instance of land application.
The sludge analysis shall include but is not necessarily limited to the following parameters:
% total solids
Magnesium
Chlorides
Sulfate
Phosphorus
Potassium
Lead
Zinc
Copper
Nickel
Cadmium
Chromium
Sodium
Calcium
Total Nitrogen
Ammonia Nitrogen
Nitrate/Nitrite Nitrogen
pH
Plant Available Nitrogen (by calculation)
The TCLP analysis shall include the following parameters:
Arsenic
Barium
Benzene
Cadmium
Carbon tetrachloride
Chlordane
Chlorobenzene
Chloroform
Chromium
o-Cresol
m-Cresol
p-Cresol
Cresol
2,4-D
1,4-Dichlorobenzene
1,2-Dichloroethane
1,1-Dichloroethylene
2,4-Dinitrotoluene
Endrin
Heptachlor (and its hydroxide)
Hexachlorobenzene
Hexachloro-1,3-butadiene
Hexachloroethane
Lead
Lindane
Mercury
Methoxychlor
Methyl ethyl ketone
Nitrobenzene
Pentachlorophenol
Pyridine
Selenium
Silver
Tetrachloroethylene
Toxaphene
Trichloroethylene
2,4,5-Trichlorophenol
2,4,6-Trichlorophenol
2,4,5-TP (Silvex)
Vinyl chloride
5

5. All sludges included in this permit must be monitored for compliance with condition 110 of
this permit. Data to verify stabilization by a process to significantly reduce pathogens (as
described in 40 CFR Part 257, Appendix H) must be maintained by the Permittee. The
required data is specific to the stabilization process utilized, but should be sufficient to
clearly demonstrate compliance with 40 CFR Part 257.
6. Three copies of all monitoring and reporting requirements as specified in conditions III 1,
III 2, III 3, Ill 4, and III 5 shall be submitted annually on or before March 1 of the
following year to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
7. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone
number 919/ 395-3900 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 sludge 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 sludge treatment.
e. Any spillage or discharge from a vehicle or piping system transporting sludge to the
application site.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REO[ZREMENTS
1. Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
2. No land application of waste activities shall be undertaken when the seasonal high water
table is less than three feet below land surface.

The Permittee or his designee shall inspect the sludge storage, transport, and disposal
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 keep an inspection log or summary including at least the date
and time of inspection, observations made, and any maintenance, repairs, or corrective
actions taken by the Permittee. This log of inspections shall be maintained by the Permittee
for a period of three years from the date of the inspection and shall be made available upon
request by the Division of Environmental Management or other permitting authority.
2. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the disposal site and 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; or may obtain samples of
groundwater, surface water, or Ieachate.
V 1. GENERAL C QNDI'I'IONS
1. This permit shall become voidable unless the land application activities are carried out in
accordance with the conditions of this permit 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 transferable. In the event 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 Environmental Management accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may be
appropriate. The approval of this request will be considered on its merits and may or may
not be approved.
4. This permit shall become voidable unless the agreements between the Permittee and the
landowners/lessees are in full force and effect.
5. The following are approved sites for sludge application (see attached map(s)):
Site No. Owner/Lessee Application Areal acres
Five Eagle Partners- 49 (56.4 total)
John W. Thomas, Jr.
I - Application Area excludes buffer areas.
6. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6A to 143-215.6C.
7

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 21-1.0205
(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. A set of approved documents for the subject project must be retained by the applicant for
the life of the pen -nit.
10. 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.
11. This permit may be modified, or revoked and reissued to incorporate any conditions,
limitations and monitoring requirements the Division of Environmental Management deems
necessary in order to adequately protect the environment and public health.
12. issuance of this permit hereby voids Permit No. WQ0005578 issued January 24, 1992.
Permit issued this the 29th day of January, 1993
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
01a�'ZL , ko, 91& co
A. Preston Hq ard, Jr., P.E., 4cting Director
Division of ErMronmental Management
By Authority of the Environmental Management
Permit No. WQ0005578
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ITEM
RATING SCALE FOR CLASSIFICATION OF FACILITIES
Name of Plant: C egr�c W, i�o7fcr s-y 1&, oT[ Jr/�/r�` tg�`�Bpfic4Pr�rr d?r /4r�f�
Owner or Contact Person: Dri Tfsec Ar-T
Mailing Address: k'
County: P—e,4tr Telephone:
NPDES Permit No. NCOO Nondisc_ Per. No. vw oov'`S
IssueDate: d 1/1y Expiration Date: i r
Existing Facility New Facility fl
Rated By: T, Scr, nwy Date: ot 1Z92
Reviewed (Train. & Cert.) Reg. Office
Reviewed (Train. & Cert.) Central Office
ORC Grade
POINTS ITEM
POINTS
(1) Industrial Pretreatment Units and/or (4) PAWARYTREATMENT UNITS
Industrial Pretreatment Program (a) Septic Tank (see definition no. 43) ..............
(see`definilion No. 33) 4 (b) Imhoff Tank ............................... . . .
(2) �1 N FLOW OF PLANT IN GPD (c) Primary Clarifiers ..... . _ . . . ... . ........ .
(not applicable to non -contaminated cooling (d) Settling Ponds or Settling Tanks for Inorganic
waters, sludge handling facilities for water Non -toxic Malerials (sludge handling facilities
purification plants, totally closed cycle for water purification plants, sand, gravel,
systems (del. No. 11). and facilities stone, and other mining operations except
-onsisting only of Item (4) (d) or Items (4) (d) recreational activities such as gem or gold
id (11) (d)) mining) .......... ........................ .
0 -- 20.000 .......................... 1 (5) SECONDARY TREATMENT UNITS
20.001 50.000.......................... 2 (a) Carbonaceous Stage
50001 — 1G0.000.......................... 3 _ �.
(i)Aeration High Purity Oxygen System
100,001 -- 250.000 ............ . . ............ 4 Diffused Air System ...........
250.001 -- 500,000.......................... 5 Mechanical Air System (fixed,
500,001--1,000,000 .......................... 8 floating or rotor) ........... _ . .
1,000,001 -- 2,000,000 ......... .. 10 Separate Sludge Reaeration .... .
2,000,001 (and up) - rate 1 point additional for each (H) Trickling Filter
200,000 gpd capacity up to a High Rate ........... . ...... .
maximum of 30 Standard Rate ...............
Packed Tower ...............
(iii) Biological Aerated Filler or Aerated
Design Flow (gpd) Biological Filter ......................
(iv) Aerated Lagoons ..................... .
(v) Rotating Biological Conlaclors ..........
(vi) .Sand Filters-
(3) PRELIMINARY UNITS (see definition no. 32) intermittent biological .. . . .
(a) Bar Screens ................................ t
recirculating biological ... . .
or Stabilization Lagoons ...................
(b) Mechanical Screens, Slalic Screens or Clarifier..................... .........
Comminuting Devices . . ......... ..... . .... Single stage system lot combined
(c) Grit Removal ..................... . ... . .... carbpnaceous removal of GOD and
or Zrl 01 nitrogenous removal by nitrification
(d) Mechanical or Aerated Grit Removal ..........-J(Isee del. No. 12) (Points for (his ilem
(e) Flow Measuring Device ....................... &Vave to be in addition to items (5) (a)
or L ���-� C (i) through (5) (a) (viii) ................ .
(1) Instrumented Flow Measurement . . ............ CE��RP (x) Nutrient' additions to enhance BOO
IQ) Preaeration ................... . . ........... 2 'removal .............................. .
(xi) Biological Cullure (-Super Bugs`) addition
ko) Influent Flow Equalization ................... 2- to enhance organic compound removal .... .
(i) Grease or Oil Separators - Gravity .......... 2
Mechanical..,....... 3
Dissolved Air Flotation. 8
(i) Prechlorination ................. . ........... . 5
2
5
5
2
20
110
7
5
5
10
10
10
2
3
5
5

Nicbgen�vs Stage
(i? Aeration ; High Purity Oxygen System ..... 20 (i) Sludge Holding Tank - Aerated ................ 5
Oiflused Air System ...... • • ... 10 Non -aerated ............ 2
Mechanical Air System (fixed, Sludge Incinerator - (not including activated
floating, or rotor) ...... ...... 8 carbon regeneration) .. - .. 10
Separate Sludge Reaeralion ..... 3 (k) Vacuum Fitter, Centrifuge or Filter Press or other
Yrickling Filler - similar dewalering devices ..................... 10
High Rate .............. 7
Standard Rate .......... - - 5 (8) SLUDGE DISPOSAL (including incinerated ash)
Packed Tower............ 5 (a) Lagoons ............. ...............-......... 2
(iii) Biological Aerated Filter or Aerated (b) Land Application (surface and subsurface)
Biological Filler ......................... t 0 (see definition 22a)
(iv) Rotating Biological Conlaclors ............ 10 -where the facility holds the land a permit
.
PP P ; i 0
(v) Sand Filler- -by contracting to a land application operator who
intermittent biological ........ 2 holds the land application permit ................ 2
recirculating biological ........ 3 -land application of sludge by a contractor who does
(vi) Clarifier .......................... . ..... 5 not hold the permit for the wastewater treatment
facility where the sludge is generated ... _ ..... 10
IARY OR ADVANCED TREATMENT UNIT (c) Landfiiled (burial) ..................... . ....... 5
Activated Carbons Beds - (9) DISINFECTION
without carbon regeneration .................. 5 (a) Chlorination .............................. 5
with carbon regeneration . ....... ....... 15 (b) Dechlorination ........................ 5
vdered or Granular Activated Carbon Feed - (c) Ozone .............................. 5
Without carbon regeneration .................. 5 (d) Radiation .......................... 5
with carbon regeneration ................... 15 (10) CHEMICAL ADDITION SYSTEM (S) (See definition No- 9)
Air Stripping ............................. 5 (not applicable 10 chemical additions rated as item
Denitrification Process (separate process) ..... 10 (3) 6), (5) (a) (xi), (6) (a), (6) (b), (7) (b). (7) (e).
Eleclrodiafysis ............................. 5 (9) (a), (9) (b), or (9) (c) 5 points each: List:
Foam Separation ........................... 5 5
IonExchange ...........................•.. 5 . . . . . 5
Land Application of Treated Effluent - - - - . - 5
(see definition no. 22b) (not applicable for 5
sand, gravel, slone and other similar mining (11) MISCELLANEOUS UNITS
operations) (a) Holding Ponds, Holding Tanks or Settling Ponds
,(i) on agriculturally managed sites (See def. for Organic or Toxic Materials including wastes
No. 4) ................................... 10 from mining operations containing nitrogen and/or
{' by high rate infiltration on non -agriculturally phosphorous compounds in amounts significantly
1, ged sites (includes rotary distributors greater than is common for domestic wastewater .......... 4
and similar fixed nozzle systems) ........... 4 (b) Effluent Flow Equalization (not applicable to storage .
(iii) by subsurface disposal (includes low pressure basins which are inherent in land application systems). 2
pipe systems and gravity systems except at (c) Stage Discharge (not applicable 10 storage basins
plants consisting of septic lank and nilnfica- inherent in land application systems ....................................... 5
Gan fines only) ............................. 4 umps..._�....»............�.
_........_. ........... 3
Microscreens.................................. 5 (e) Stand -By Power Supply..:-..,......... �........... I ...... I"................... 3
Phosphorus Removal by Biological Processes (f) Thermal Pollution Co-ritrol Device ...................
(See def. No. 26) ............................. 20
Polishing Ponds - without aeration .. _ .... 2 n
with aeration .......... 5 {7{I
Post Aeration - cascade .............. 0
diffused or mechanical ... 5 211 1992 TOTAL POINTS
Reverse Osmosis ............................... 5 SA
Sand or Mixed -Media Fillers - low rate ........... 2 L�� �+['��
high rate .......... 5 CEN�� 1t�74I N
Treatment processes for removal of metal or
cyanide .................................... 15 PSSSss
......................................................... 5 - 25 Points
Treatment processes for removal of toxic ....................................................... 26- 50 Points
raterials other than metal or cyanide ......... 15 Class Ill. ...................................................... 51- 65 Points
Class IV ........................................................ 66- Up Points
DGE TREATMENT
Facilities having a rating of one through four paints, inclusive,
Sludge Digestion Tank - Heated ............... 10 do not require a certified operator. Classification of all other
Aerobic ............... 5 facilities requires a comparable grade operator in responsible
Unhealed ...... ....... 3 charge.
Sludge Stabilization (chemical or thermal) . . - 5
Sludge Drying Beds - Gravity ................. 2 Facilities having an activated sludge process will be assigned
Vacuum Assisted ....... 5 a minimum classification of Class 11.
SI=lulrialion ............................. 5
Sfuuy Conditioner (chemical or thermal) ........ 5 Facilities having treatment processes for the removal of metal
Sludge Thickener (gravity) ... . . . ................ 5 or cyanide will be assigned a minimum classification of Class (L
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) (i) .... , .. , , g Facilities having treatment processes for the biological removal
Sludge Gas Utilization (including gas storage) .. . . 2 of phosphorus will be assigned a minimum classification of Glass`
Ill.

yi rTl N
.Wot,Anl. Sarban Bho .d•, A phya;cs Vch•raic at m.vd to, r..dvt;ng -"I. -panic malarial I_
AIN."al•e aOtvanl: She ca9. Pm pa bads vled in th;a method wU har, a flow rest, v.rrinq Iron awe
e,V aelaes pal ..eyes -I. F., sq..,. loot and may b. .41­ aIpa ow w daw,ettovr carbon bad,- Carbon
„r r a'y no, b, uq•nar,4tl on the w,ea•K.I<r veatm. planl ail..
Freels -ben,. A ba.;n in which as ..tds .1. m ;nt.i..d r ev.p,naf.n ..W by v.,l,;Ih b4oi.9k.1
master it rrdtac.d tN"A are;k;,th accal.ral.4 -an,t.e •I ..yg. on y eWw-
e,e"a1Y
}rl,.r.,iM A pec.al d brirgi,ap ,boe+l "Arose• e.rhrael a.awean 'If w high purity o.yg• an a hgar;d
y apcyT,,,9- agdat:an litter Tien;
.y. k.4- .ay mansp.d ads- Any sit. on Mach a c,a;, h p,odeac.d. onan.e.d, and lt4w .sod (Crap
ejed•t ....... W.;M. -.... .la)• '
Iles: SY;pya;ng. A P"e•es by wlreh 10114 ItYnsnly,ee !.n is rail Convari.d to Gt,atw.d an-.wni. [pH
+.a', he toutania then r.s.aaed IY Ih. awr ph.I. bT physksl mean,; w olh•1 simpy,
wNrh ,.~I pvalSvm ptodwu sh+ch at benzene. tolu.m. Iced ),Yu-.
iaCarb.n Aegatwl it. VIA roganttaGat of Ilhiull.e carbon by the uses of a hrrneca to pro rw.
,v.,eelr h;ph terlV.r,an.t whidh votal=rte and .skit. the absorbed GmpVrilie s;
%.raea.huL Staq•, A Slap• of Wastewater M.sam.,, drsigned to ►ehieva "..c enda.y" efrhrr.r
will.
IK a 2,.. A ntachank al bawiee in whkb e.nu7u9al Iwee is eaard w sopa[at. suds Morn Ggesids
dirt It Ilpalal• 5q AIS e1 441101e61 d.ntiYe{;
r(C/.a.ucal AMdim .. Sy.tams - The ad&"A of ch mk.1 111 1. Yraalowal.r at an appGcal;on point !or
INP.163 of Ingl..ing cords I.,w.wAL PH Idj-itm. tL ■rit"Oly cdMoL .Ica the capabil,y so
ywwne.s e.:sh Gner.nl ehensie are :red 4QfereAl appLcsisn Feints is achieve a .p.,ciA. r•,eAt will be
-4.104 one Iy,lrm: 011a capabsly w add cM nk:c.l (a) 1c dual .tile wig W rat.d at en. ayst.m;
IlgibQy as ..d a them" as dil4istWO SPPL"6ert pointg toe ddlosent pucpotas arif rascals in the
rl.ma win, sam a, separate sya4m.
71)G.. eyries Sledge Corsdtikvwsp. TM addaen et, a ch.a,;c,t ceerVoend teach 21 Fret.. (Stoic chloride, r
petyal to..I skdg. so coal.sc. ant Mali Pnw to isa aPPIEK. to to , d.watennq de k•
'KUSee Crete Syti.mt. Use of hol6vhq pond' w hetfrrg WAS ter eostaaiMMOAt of waasawal.,
yNil N kwgarYc, non-w,iC malerials fras, sand, gra• if uushsd awne, w other sin -Tor opera0or.
oes.eekh tsar. it no dlseharga W the rwfaee west.,.; such cyrssms that carry A maximum of Sees
,less reg.10.21 of pu ping taciii)e1 w Any alter appMtnane.s;
Kio"bished A'zwraf of C"baraaea OV, BOD'M fYVrcanovs Relvwvxl by H'NI%Cai.O.t . A 66VIS slap.
seaso,'d.6"or 1. seN.v■ 'gdya od- perms etnu.rl "IS on SOD sad ammonia hiuopen erilh;n
I estates bA*v;tal lucwc.
f(D#<hkrka6m US partial w wmpralq rodm"A e! suidval chlori S jet a rgvid by Arty chcm;cal
physical proctsl'
(r0*r;uWKx$; n Prx.st. The eam'eiz;on K tiv249-n4rOVIn b n;U0p.n pas;
slFuarogdrlls, Plos:eta Fat I.mavieag IeI saps Atom walal 1!Iroesgh Ihw uao of ian•saioeLws
.. Khasgs leemb.anea; -
l)Fa.r Press, A ptacesr oparasad an.ehAo;ct07 Iw partislr dowilask, sbdga-
I)Feases Sspsr:t"m The pUnned LrDL%69 of wartewilar or wa.Iowa4t •IAuaN al a meant of
eae[.p eaees,ir, arr.awatr a1 d.4rgant ni i.rialt ovo.;% the LYredvcGOn o[ aY An Ih. f-m of Tin.
%m,•: also c.ael loam frac"MaLon;
A. 4 Th. pcoc.tz of a-,r,ov'-p pa and athol ►navy mQuta7 massy from waslawat.r;
ILI"$ TsnL. A drip two SWfy wasaawlur unk consisGnp of an upper sedeonSrA3 ion chamber and
w.r .Laip, digestion chamboi;
')Stu trees..^,F FLaw Lumwement_ A dowic. wlkich 6.4c.4s ard&, resod, fate at saw
lye F A charnkil procsss In which ions hem FKo ddt.r.N w,.4cL4.s us ezWngpd-
isms rest 11) Slaadgo NSPoaal A &W shaeq, disposal method by which skdge may be
&if 10 . .. ,Warr by sPrarwv on Gar Surface w by Lw0svr1aee hhjoeisoei (%ate chino[ plow): 1'41
ACLU, Iw lypet of sAWps described In 1l IJ of Skis F 4): (b)Trailod EIOu.rIL The Freels at
ay,n) waited w'luwa 4t as" a land area w ether method[ at Applici Gon OF w,acewal►r Mle A
t ueI As a o..t1 bl Geaf dtaposa! Dewar fr.atme N•
)sX.crala..n, A low apa.d, conliewtsualy blc►- Ah.d, relating dtvrn Glter oparat;nq uncles
ally eee.SstliU aI a PDXI?%iraq snslflod removing eu,p.ACed voldl hones eltlusna;
Frwil,catien p/w•ls. The, bloeh4rnkAl c. A,#f%;an of wlos[dued r.brog.n (aesamanla an4 orq snit
e*.n) to aaiSaed niuoq.et (usuaey nivait),
I,rrageaws Skase, A I.puxl. slag. •1 wastewater 11e11m,N doaignsd Iw the sp.c;rc pvrpos. of
+:vbq.n 4 tiVal• MMapon;
jPAtoaphsf. Rtaovst EiafagicaL TM semersl of 04'PhOmf Irom wastewater by in oaiUsnoaic
clot dt,iorhad M lmane. [usury L?Iake at Jahaa?horva by the. ,nicreorp vets ma;
IPeisr:np Pond. A holdag pond {obwinV secondary Moitrn.N with St k6r4 detention to slow lot
'*WLN of Fmly snaped.d solidi,• I
(Pawl Aeration, Atraion tonow;np eerav,ntional ssconearr assatmenl vnU W incra.se el0u. nt D,O,
Of any offset Ptnpor.;
"91 MrsLwt, (Citcada) A poishing method by wych dipbhad oxygen k added at the aldv.nt by
"'^"ellnnkal, qL s iir mlan, of flowing down a aeries of atop, et, weirs: TM fiw ocewring acre
swpt at, "`ire mevr. in a ""ly shin isyar a.d the ap.raton of the eareade ngvir•, no op.satw
rt mere[ blue, I.,. Poiµ. Are assigned .wen 01,h W, It an .ss.Islaf step to meot:rq ties. "IS or
Fsehl,p, P.,.j.;
P..,d eu1 w Grant+hr Actiralad Carbon JI A b;oplyakal ckrban process that va'LI,1 b;alook al
•N ant wgsn;c abla.PGeh by using p.wdand or pranvJer aotivahoo carton. vwpin indoor
. r'aee cts`l , it fled cawaq.d inm nth. tr.se .; .
>r,. t•,slioet, A I'M eontuvet,d to provide aeration prior Is PSLnary vaavna,al:
"('"try U"". Unit operations n We ts'.Lm A4 p'oce,a, such 11 aca..nirp am cw1-rvnw;0A,
tarp.,. 6. Lgero, br svb..gv.ru mijw operations:
h..uavnl pie bl'tment: 1a)Pre-u. armenl Urll, fnd,rmial. Th& ctsm;da,hing of a wars, at its
ice blot. C.cntlp,, to r•mov. or to Mao'sr . subIIA, -c fr>;,rr'wvs to S.wlla and lualm.nl
e„elet r y .Keel I panirt a.d-s:.n in b,d as I V.svn.N p ac: es -fiieh Is ep.,al.d by the same r,;s,q body a1 n. w,au wall u•almenl plant L.;nq ralad; (b)Pr..uekLn•nl P,.al.m, 1mvrvi4l -
`t. • Slet• et, EPA ug14,.d Fr q„m 1. let." p.;nn an hie-nliivg sM•P
ry Gail. n, The Yeses sipGnp tsnkl Ihsovgh which W311dwaler I. Passed in a lrlalmens
F"^r'a,. N I. rlbyyg """able Ind ,u,pend•tl tOW6 and BOO which is asaxil led with the
a ornp,. Al i++esanL alfiveM and ;mplaM pump,-
st6ulia,k Di.i„i,ctian an40r tleriilation praceat eniPiinq devices omiting c.Suav;olrl o, Mamma
9..arts 01"1'61. A U.atm.nl Process in -' ch a heavy e.nu,n!n t.d liquid if plttcur:aad
1h I +n•,1'bsan, forming nu+3y pure liquid frc, Irom Iu p.rd.d x.J;dI-
rlrw'f It nloq,r it tonlaL le. a, A Gaed binloskar q,awth prongs in which w.,lewsan Moe..
i 'h a a.r;ea of pis Lolly submupad c'rc vier awface, an r.I.,.o..
roes5r, mitt. nl Bi orb plc al,
nea,s Faua son of .IfFy•nt {o Raw;nq eeplk ankh Is peen., o.
.m P+ore e. in ..hick 4n1`1.1 bioa.compas;lien iI ..p.11,d Ie pr.dvt. d.lired
a1 f4Nr.m N,cae;aq I Is on hheae r;hn. u. coMpul.d In Fpdfsc and har, a ... vhing low
.0f.e I.
1: fblAd e,cvta Lnp b;.s ;,; al .sot. u - 111• at 'I'd L4da
.r at .Gn.d in wish
pabt,y eo ,•cycle alnu.nl back IK. Vh the a.no (bet- { I
1-6w Wr. d.St.S. Fitl.0
. r•aYcLen w rats A Paslhinq Wo:ut by whkh eM~t r;mile s,. ,thieved tMovgh a
P•nd.d sat
;ds;(')law yeses. - g,lvitr, hydr.hh;caay loaded Gh•1 wish laad;ng
�w 4. s•'w'r•• sl>M.r „nq.;lb)high cot. a ar•.I hydnuLc&gr WId,d hli.. ,.;th 1a,d;ng
9?m,Il nogg At am tau_ the loadnp r.I. , al ..cord ter.♦ gp-,F,
(tl)S.cenda+T C1.4G.". A unk wh:,h 1.111 k in. b o.Wq;cai tmi al I vestment 0and whkh ha,
the Ptwpol• .1 lrrt.ovinq .avdga a,.k.rill.d ,n IR t„ bioi.&Il Y. rlmeM u
_[L 2)S •pales. Slvdp• A pan el the c IstI sat b3 upon pr sKrat where the srk..aut eaudge
N -a M11f.l„d to a lank and a•.aed L.I.,• .Iring i1 I. the basil
ea '(JS'psk TIFA_ A ,1n.•. p%l.rr t•kt:,y lank nn which a,ld.d sladq• la in 111,114 w;U, the war ...>h•,
oswino d,revgh in• lank: Ihah n.l It. app+k.Ul. to, ..01k lank yr1k 1 ,..ring cingl.'flnwir
,e k;d.nc,. h1.i,g a cap. L'iT .1 I(A g.Aon. a Is— which dklcharg• to I nilli(K.Lon G.rd:
(4e)5krdq• D;gell,an. ter pfoee,k b7 wrist. ,,panic w .lotto m 11" and ,h+dq. is gasiG.d, liq,.•l: d,
rtinofa Ga,d as Lonrarl.d No Smile assist, -panic matter tvovph lha activity at bYino organ;sma,
which inclvd.s aaral.d s+.:Cng Isnk l;
145JSavdga (hying Fed.. An ,ISa cony:tGep nalwal or a(h6dat tayera of po to l male;.(, vpcn wtich
dq.,l.d t.r.aga shdp• is i,;.d b7 e,.3,.,ge end .vapor at;m:
[s L)Shdg' I:kMll'ron. A Prx•el .1 Ilvdpa [and'Okning in wtkh c.nan c.nahifu.nal a.S I.ma.ed br
suite esive washings "1% Yeah water w ¢aN eldvant;
1t7)Slvdq. Gas UUQ1-9cr._ The prosasl of wskv ,.wag. pat For Mar pwpos. at hesyrg p T_tiry,-
af,iring engine,. arc.:
lat)SkAp. HOW" lank (Misled =+-a Nonaerll.d). A earl vt7,1..1 fw tmalt -'Slaws]., v. almans
[danl, Mt c-utrrn0 a ug.s41 N wrack "'- - a T Ina ►.pl hash, and .v(a.+nalaµ -;0,41 -. p,;- to
I aI mashed (La. .%16, dlyir.g mitt Th;1 roar be dart. by .414" a aural am-w .I sin singly a.
keep the aardge ho.h, bv: am neL.Its,iy an amount 1ha1 ­W be iagvir.d to airs.,* Itabi:.tion of
01911-ic MARDI. A norhaerahid sans waled simply be vtad so e•:3W 1"6 p,iw to d.w,l.rL g and evwtd
Simply be -tad SO dect,v 1". p,ia is 6aw'talirp and wooled fW .lbw leap po,io-is days of
dtl.nsan) v,kho.1 Iassdl:y odar pr.b:.ms;
(49)S0,49e Jew;rwtaters, A &rose• [•/toed to bun I4 .and So e.mawa all own iabua and c.rnWss;W.
mir.ruta and t.dve. IM sk,61e to . 'wit. ant•
(50)11tdq. Stab7ia5on (Cheedcat w Ther,naq. A fcoc.Ar to make treated aWq. $..a avi.m., and
yvuetcrit,l,, and to iad„ca ph. psd. *Ak wgknlsm cov,Nr This Saar bes dam br pH adivitm.nl
chlorine dos+tq, w by hall wellmer.t;
(Ss)Shadp. Thck.ner. A gip. oA s.dsw►ralat:.n lank in whelk 1ha slescip. It, p.,wA4.d to .•Ile and
thicken dv.agh %Vita Gen and psaebr;
T52jSIabVtaf-m Lagoon A-". of or;dlt,iwr lapean In whkh b6lop;cal asldasion of wganc -%aw is
e Alacted by rukmzl Man.lar of ar"co, la As wrier from air (rem a poithiry pond);
[sJ)SUnd-Er Pnwor Strppty. On sca w Possible llwakar P,-t,Lop egteipmam:
154) S116c Screens. A Stationary ser•se desipnesd so Isrssesr• soils Ineshadinp son-biodeg,adabla
pxrlk%Atlt (noalibfe SaLdt, Svtpead.6 SOWS and BAD i.eluclidn) hem mesnkipal Ind indvswil
waltewat.f ors DAmanl Ayatelil.
(5$)TerJfarr TiatillMnt. A Slaps of Rltlmenl latioe.irg S.cosadary which is ptienalir lot the penpose
of olLwnt poithinq: A savIN tar" ter sud at teal liter, cipht be em ood fw INt pulpaia.
(SC)ThermaJ Pa"m Ganhol Oovk.. A dark. p,.wilIrep la sloe Minster of h.sl ham it Avid Ibwing
In Ivboa 4 Inotheir Dwid .onside the teAas, of vita urns; w, o&hot saaans of rogv4xL6v
6gsAd OMp.ttkirss;
(57)Thaima! Sludge Cor.dai.rtot, A w4tiostirh ptmeat by which heal b added for A pdavacted period
of time Ia {mpraTte ttS dwatorabi;ly of shdge by sits sokrb1Ukj and hydrivilit ng of the am,tler And
•to,. hSplly leydrah.d ,". psnk6o:
1S0)To2;c MAlarlats, Trios. rase., e, cembina.;ons el omelet kw*41 g sis.asa.cauaing ag.nir which
,list dischuge and upon otposwo, ieo.stion, isshalation of aasimiltlisan inla arty orginism e;ahol
diecdr hem the onvitanmiM w indr.city by k4mion thratgh food dins- wW .,vas death, dsaaso,
bohivimxl abnormalities, c.nt.r, per-,fs nwtasiona, phrsf"Iecal m,ll ecti.nt ('urclvdvg maM vncti.nr
In Icproefvclisn) W physical deformations. in such organisms w their cl(spr;ng: Task material,
Inclvdo, by Way ilussrxaAn and e., &netalion: lead- cidmum, crvbmivm, mercwr, r%nadw,m,
UsbAC, Dint, (ONCE polychlornaud biphaalyls (PCB,) and decNorodiph.nyl
uicNotooshans (ODT): aM sort, other easatids that Juve at may Mt.alirr be dowmined to snore 16%
Pfop.,M,I;
15!)Trkkl;nq Ghes. A bielegiesl IraaiuM wtit cOmIS6IMIP al maurisl aveh A. b,aken �Slone o rock
Owr which wasHwaler is Gt4ibenttl. A high rate bickfieV toter Is cots which Is open la a'at�be-+.e cot
SO and 30 M96 per att.. A law rat. vkkl;eV Ii1.1 is sin. which it deigned to "sat. al on. 'w Saw
wpd Pet lots;
VO)T ickLnq FAD, (Psckae Town). A P1tsg Moe, type el operation n wtkh wa,t.wat., howl dawn
LN"K tuccatttvs layers bi Stadia a sills mstiliak Orp.nk mate rill is r•tlnovSd co„Unua,,y by
aeliNs bioad xf Glad growth in sack zxcasf)vo layol. 7hir mat,ad may prodves 'tecoMarl, e,,aGty
QUk-nk as may be adapted to produce I nit -died efEwnC
(LljVas s Fdult. C.ns,ifvgn, o, Fiber Pap... O.vk.r which a. designed 1. ramow. nau
water from akhar dapssad a snno;pesl.c ,lvdq. prior to disposal a fwthte M,A nenL
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