WQ0000672_Final Permit_19920828

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor A. Preston Howard, Jr., P.E.
William W. Cobey, Jr., Secretary Acting Director
August 28, 1992
Mr. David A. Holec, Interim City Manager
City of Lumberton
PQ Box 1388
Lumberton, North Carolina 28358
Subject: Permit No. WQ0000672
City of Lumberton
Land Application of Sludge
Robeson County
Dear Mr. Holec:
In accordance with your application for renewal and amendment request received April 1, 1992
and the request for the addition of the water treatment plant alum sludge received May 22, 1992, we are
forwarding herewith Permit No. WQ0000672 dated August 28, 1992 to the City of Lumberton for the
continued operation of a land application of sludge program with the addition of the alum sludge. The
application material indicated that new owner/operator agreements will be forwarded as soon as received
for some of the existing sites. The agreements for these were not received which include sites for Carrie
Lamb, Hubert Gore, Charles Eden, David Kinlaw, and Daryle Walters. Please be advised that the
Division cannot approve these sites for continued operation without these agreements, therefore, they have
been deleted.
The copper concentration in the sludge is such that the life of the sites are reduced substantial. The
regional office and the City have been worldng to reduce the level of copper in the influent through the
pretreatment program. Please be advised that if concentrations begin to approach the maximum life time
loading of 125 lbs per acre, land application on these sites must cease immediately. Accordingly, if this
maximum loading rate is violated, remedial action will result. The City is cautioned that the annual records
for loading rates are crucial and any violation of this limit is a violation of the Federal Regulations and
will subject the City to actions by this Division.
This permit shall be effective from the date of issuance until July 31, 1997, shall hereby void
Permit No. WQ0000672 issued November 12, 1991, 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.
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 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.
If you need additional information concerning this matter, please contact Ms. Carolyn McCasidll at
919/ 733-5083.
y
Preston
cc: Robeson County Health Department
Soil and Materials Engineers
Fayetteville Regional Office, Water Quality Sec ' n
Fayetteville Regional Office, Groundwater Section
Jack Floyd, Groundwater Section Central Office
Training and Certification
Facilities Assessment Unit

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
City of Lumberton
Robeson County
*019*04110
operation of a sludge land application program consisting of the application of approximately of sludge
from the City of Lumberton's Wastewater and Water Treatment Facilities to a total of approximately 1300
acres of land in Robeson County with no discharge of wastes to the surface waters, pursuant to the
application for renewal of the existing permit and an amendment for the addition of new sites received
April 1, 1992 and the request for amendment to allow the addition of the water treatment plant sludge
received May 22, 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 a part of this permit.
This permit shall be effective from the date of issuance until July 31, 1997 and shall be subject to
the following specified conditions and limitations:
1. The Fayetteville Regional Office, telephone number 919/486-1541 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 sludge 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. Also the Robeson County Manager's office
must be notified prior to the initial application on the new sites, so that they will be aware
that the operation has commenced.
2. 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.
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 facility.
5. 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.
6. No crops for direct human consumption shall be raised on these sites for a period of 18
months following sludge application.
7. Maximum slope for sludge application shall be 10% for surface application and 18% for
subsurface applications.
8. 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 which will include the additional 1082 acres approved in this
permit amendment.
9. 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.
10. 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 114 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.
2

Information must be submitted to this Division within 60 days of issuance of this permit
which describes the process of sludge handling with reference to the reduction of
pathogens and the appropriate analysis to demonstrate equivalency for compliance with
these regulations. Failure to provide this information is a violation of this permit and shall
subject the City to the appropriate enforcement actions.
11. Specific sludge application area boundaries shall be clearly marked on each site prior to and
during sludge application.
12. 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 pian approved by this Division.
3. The application rates shall not exceed the following for the specified crops:
Crop
PANbs/aere -ri
Coastal Bermuda
200
Fescue
150
Bahiagrass
150
Forestry Areas
50
Cotton
70
Corn
160
Soybeans
200
Small Grains
100
4. No sludges other than the following are hereby approved for land application in accordance
with this permit:
Permit Estimated
SourcQ County Number 1 n
City of Lumberton WWTP Robeson NCO024271 6-7 MG (1,175 dry tons)
City of Lumberton WTP Robeson NIA 6 MG (725 Dry tons)
5. The lifetime heavy metal loadings shall not exceed the following for the corresponding
Cation Exchange Capacities (CEQ:
E
Lead
500
Zinc
250
Copper
125
Nickel
125
Cadmium
4.5
3

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 (ORQ 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 1 facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
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 lime, sludge and soil mixture of at least 6.5.
15. The addition of Gypsum must be incorporated to reduce the SAR of the sites below 10.0.
Each of the sites shall be evaluated for the need of gypsum addition and the SAR adjusted
as necessary.
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.
4

4W
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
j) amount of gypsum addition for each site.
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
Lead1
Zincl
pH
Manganese
Cation: Exchange Capacity
Sodium
Nickell
Cadmiuml
Copperl
Calcium
I Soils analysis for these parameters shall be conducted once prior to permit renewal on
soils from each site which has received sludge during the permit cycle.
4. A quarterly sludge analysis and annual Toxicity Characteristics Leaching Procedure
(TCLP) analysis shall be conducted 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 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)
Sodium Absorption Ratio (by calculation)
61

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 . 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.
1.1
VA
Three copies of all monitoring and reporting requirements as specified in conditions 1111,
1112, 111 3, 111 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
Noncompliance Notification:
The Permittee shall report by telephone to the Fayetteville Regional Office, telephone
number 9191486-1541 as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or fust 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.
G'7

r
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.
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.
3. The Compliance Boundary for the disposal system is specified by regulations in 15 NCAC
2L, Classifications and Water Quality Standards applicable to the groundwater of North
Carolina. An exceedance of Groundwater Quality Standards beyond the Compliance
Boundary is subject to penalty provisions applicable under General Statute 143-215.5A.
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 land application sites or 50 feet within the
property boundary.
If the title to 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.
The REVIEW BOUNDARY,for the disposal system is specified by regulations in 15
NCAC 2L, Groundwater Classifications and Standards. A REVIEW BOUNDARY is
established around disposal systems midway between the Compliance Boundary and the
perimeter of the waste disposal area. When the concentration of any substance equals or
exceeds the maximum allowable concentration of that substance at the REVIEW
BOUNDARY, as determined by monitoring, the permittee shall either (i) demonstrate,
through predictive calculations or modeling, that natural site conditions, facility design and
operational controls will prevent a violation of standards at the Compliance Boundary; or,
(ii) submit a plan for the alteration of existing site conditions, facility design or operational
controls that will prevent a violation of standards at the Compliance Boundary, and
implement that plan upon its approval by the Director.
7

•
► 4►
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 leachate.
►1t: i 0 1 U►
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./Field No.
Owner/Lessee - _
Application Areal/(Total) (acres)
10-3
Lucurous Lowry
15.0
11-16
1 T. Campen/OzelI Baker
8.16
11-17
J. T. Campen/Ozell Baker
4.93
11-18
J. T. Catnpen/Ozell Baker
17.06
11-19
1 T. Campen/Ozell Baker
2.3
12-1
Woodrow Locklear
39.46
12-5
Woodrow Locklear
15.80
13-7
A.R. Lowry
31.0
14-1
George Lowry
7.43
18-1
William Hardin
5.5 (5.5)
18-3
William Hardin
57.0(60-5)
18-4A
William Hardin
24.0 (24.0)
18-4B
William Hardin
28.25 (29.0)
18-5
William Hardin
29.5 (29.5)
19-1
Memory Herring
16.0 (20.8)
8

19-2
Memory Herring
18.0 (20.8)
19-3
Memory Herring
12.6 (20.57
19-6
Memory Herring
23.0 (28.87)
19-9
Memory Herring
13.6 (22.32)
19-13
Memory Herring
33.5 (52.36)
19-15
Memory Herring
15.41 (28.56)
19-21
Memory Herring
19.3 (22.10)
20-1
W. Henry Horne/O. Baker
16.5 (16.5)
20-2
W. Henry Horne/O. Baker
16.0 (17.4)
21-1
Hartley Oxendine
22.0 (32.0)
21-2A
Hartley Oxendine
26.0(36-5)
21-2B
Hartley Oxendine
5.5 (5.5)
21-3
Hartley Oxendine
6.5 (6.5)
21-4
Hartley Oxendine
14.0 (18.5 )
22
K. M Biggs/J. P. Prevatte
11.7 (14.73)
22-3
K. M Biggs/J. P. Prevatte
19.7 (20.5)
22-1
J.P. Prevatte
11-001-3)
23-11
Alan Carr/Stephens
15.1 (18.1)
23-12
Alan Carr/Stephens
4.30 (4.30)
23-13
Alan Carr/Stephens
19.5 (24.1)
23-14
Nauva Neal/Stephens
24.8 (30.3)
23-15
Nauva Neal/Stephens
4.5 (4.5)
23-16
J. W. Lewis/Stephens
13.0 (17.9)
23-19
J. W. Lewis/Stephens
12.5 (15.6)
23-21
George Stephens
12.0 (14.0)
23-22
George Stephens
19.0 (23.1)
Total = 710.4
1- Application Area excludes buffer areas.
The application material indicated that new owner/operator agreements will be forwarded as
soon as received for some of the existing sites. The agreements were not received for these
sites which include Carrie Lamb, Hubert Gore, Charles Eden, David Kinlaw, and Daryle
Walters. Please be advised that the Division cannot approve these sites for continued
operation without these agreements, therefore, they have been deleted.
The land application sites designated below are covered in part by soils having a seasonal
high water table at depths ranging from 0.0 to 3.0 feet below land surface. Therefore, no
sludge shall be applied to this field during the period from November through April,
inclusive.
Site No./Field No.
Owner/Lessee
Application Areal/(Total) (acres)
10-5
Lucurous Lowry
64.30
10-22
Lucurous Lowry
15.93
12-2
Woodrow Locklear
13.36
12-3
Woodrow Locklear
11.43
13-4
A.R. Lowry
15.09
14-2
George Lowry
16.06
16-1A
Theodore Lowry
9.25
16-1B
Theodore Lowry
10.31
17-1
Lumberton Airport
35.4
17-2
Lumberton Airport
23.42
17-4
Lumberton Airport
51.22
17-5
Lumberton Airport
37.29
18-2
William Hardin
35.0 (40.5)
23-18
L W. Lewis/Stephens
6.0 (9.3)
Total = 344.06
6

The land application sites designated below are covered in part by soils having a seasonal
high water table at depths ranging from 0.0 to 3.0 feet below land surface. Therefore, no
sludge shall be applied to this field during the period from October through March,
inclusive.
Site No./Field NQ.
Qwn�ssee _
Application Areat/(Total) (acres)
19-5
Memory Herring
23.4 (29.8)
19-78
Memory Hensing
2.9 (9.51)
19-10
Memory Herring
14.1 (19.42)
19-11
Memory Herring
36.4 (46.38)
19-12
Memory Herring
41.5 (54.10
19-14
Memory Herring
31.6 (40.69)
19-16
Memory Hensing
39.1 (51.04)
19-17
Memory Herring
49.4 (72.46)
19-18
Memory Herring
7.7 (12.54)
Total = 246.1
Grand Total = 1300.56 acres
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. 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).
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 permit.
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.
Permit issued this the 28th day of August, 1992
CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
X PWston Howard , F.E., c ng` Director
Division of Envirodrnental Man t
By Authority of th�Environmen agement Commission
Permit No. WQ0000672 Amendment
10

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PROJECT
William Hardin Farm
Lumberton Land Applicat
SCALE: I"= 2000T (approx.
Westinghouse Environmental J 0 B NO: GBW B 036
and Gemecnnical Services. #nc.F ie S ds VH -1,2,3,41
FIG. NO :4B 7
nr.r vnn Aiflf VT n r)TTAn f7. 5 r„�n.

PROJECT
Lumberton Land Application
Memory Herring Farm
Westinghouse Envimnmentl
and Ge&chnical Services, Inc.
S C ALE: I"= 2 Miles
JOB N0: GBw o3b
FIG. NO Location Map

PROJECT SCALE: 1"= 2000T(a prox.
Lumberton Land Application 1091h, JOB NO: GBW B 036
Memory Herring Farm um Westinghouse Environmerrial
and Geotechnical Services. inc. F3 G. NO Fields 1 2 3 5
NORTHEAST LUMBERTON AND TARHEEL, N.C. QUADS (7.5 Min.)

SOUTHEAST LUMBERTON QUADRANGLE
NORTH CAROLINA—ROBESON CO.
7.5 MIIRrM SERIES (TOPOGRAPHIC)
SWA BLADEMMO M' QUADRMMtE
b5' 632 2 030 000 694 76-5
FEET a93
YS ° • �(t• 2iO3
� 1 j f i �� l 1 •o ��� {
i
FIELD MH -14
k00
FIELD MH -15
•FIELD MH -13 ® +'
• FIELD MH -10
a �
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FIELD MH-1FIELD MH -78
2 `
FIELD MH-9
FIELD MH -11
CAM
! '.Nfl�i -•'F �,,,r ,ice"- ',•,M' .fit- ;=-tt_
♦!
S'
u Y -fir. _ •r. yx _.,
._ ark (Cemeteryy ;moi °• :� r��- 4 a ►� 'r �'"� �' ��`. �r t, � .�...
_ • OV' 6+.11. �• ..3._. :.:.
71�em •+.., ;z .�. 2124 :., ' _^ -'�',
PROJECT
Lumberton Land Application
Memory Herring Farm
Westinghouse Environmental
and Geotechnical Services. Inc.
SOUTHEAST
SCALE: lrr= 2000Tlar-ox-
J013
a roX♦JOB NO: GBw B 036
F e ds 6,78,9,10,
FIG. NO 1,12,13,14,15
.ON, N.C. QUAD 7.5 Min.)

+ � � --` ,a ter- ._ ,� 4• r � � / � _ i11 150 4 V.
Pc
rL.A..
11111
FIELD MH-16 !°
FIELD ME-17 —�
` FIELD MH-1$
� � `fit - � -'_: -_`�s� �`�`' _ ,'. _ ►,, �l-`�•"►,�
Cy
pr
4
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xt
NJ
/�� •"^ '� 'rte: '.,��-,�' '~ � 1 (r ��,:�
1. .. NV�ir
. e
am
courin
PROJECT SCALE- 1'i= 2000T a rax.'
Lumberton Land Application Westinghouse Environmental JOB NO: GBW B 036
Memory herring Farm and GMac nicai Services, lne. Fields 16,17,18
F1 G. NO
NORTHEAST LUMBERTON, N.C. QUAD (7.5 min.)

;eIns sneer aj, '.o:•
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PROJECT
Lumberton Land Application
Memory Herring Farm
Westinghouse Environmental
and Geotechnical Services. Inc.
SCALE: I"=1667T (approx.)
JCB NO: GBW B 036
FIG. NO: SCS Soil Ma ping
Sheet Number 50

4w
aw
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1
Y
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. .Westinghouse
Environmental
and GeMchnical Services. In
1 1

FIELD WH -1
.�r+rE�r• - ii O 1.
ZP
Ci �f + -'�r .� 100]
`~1 T ��� • , -' • 4• -�►� �. _ A. `4 •5611
1311
PhUJECT SCALE: 1 2000T(a rox.
W.H.Horne/0. Baker Farm Westinghouse Environmer al JOB N0: GBW B 036
Lumberton Land Application and Geoterhnical Services. Inc.F1G. FJO: Field WH -1 & 2
Rennert, N.C. Quad 7.5 Min.
•;sr
V
98 1
O
1 �''� 4�"-� •rte 4!� 7
_
FIELD WH -2
. �..
_
404 —
ZP
Ci �f + -'�r .� 100]
`~1 T ��� • , -' • 4• -�►� �. _ A. `4 •5611
1311
PhUJECT SCALE: 1 2000T(a rox.
W.H.Horne/0. Baker Farm Westinghouse Environmer al JOB N0: GBW B 036
Lumberton Land Application and Geoterhnical Services. Inc.F1G. FJO: Field WH -1 & 2
Rennert, N.C. Quad 7.5 Min.
•;sr

MP -
''t1 (II 4T .rte —z
_ ` \-� -' •; iIce. •�/� �.�- �" _ � .a?� � ��
y •�� '�^, -+ iv 166 =:f �c�'r`•, .wee ..yam
f JZ i 163 ♦ � \ � / �'7► ��.
66
' ' � ._`_-` — �/ � l T 1p � 'ki r�!•.y4-tea•. a �,.�y� z `.�
163
~~� �� � -• `�),� -fes w'�,�'`�.��i.� _ ':> a'
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522
FIELD HO -1 FIELD HO -2A ;,:- - ��►=
.•� `� - _ mss_ L :I:- 14• s -
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_ _ _
`' �►i % + } 1003 .. �.S4W
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`' 166^ + ; �I , yr 4 � ..�,'-�.• T-� 4'r"�ecL ♦ 'r, :�-��, ,'R` _ �
FIELD HO -4
• 1 ' o •. ^ V � _,,�, � „�.,,� • 4 '-fir- .,_'�.cs 4 .,•
(74 ��- f , � ff --.r � t �♦ '� by M1.s�- +��s �� �.,,.
INC
157
r
1526
.,' _.�. } � _ - - �^� r.- .-,�,,,,�• - e � + + �+ � - app=
PROJECT SCALE:"= 2000T a rox.
Hartley Oxendine Farm � Wesfingh©use i:nVirnnmemal JOB No . GBW B 036Fields HO_ 1,2A,
Lumberton Land Application and GeateCnnical Services, Inc. F1 G. NO : —2B—,3 -,-and 4
NORTHWEST LUMBERTON,N.C. QUAD(7.5)

or
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2129
�5:�'.. `'+ �' •.fir _ _ f � ' ,
.4111 low w
`' 9r- -^`£~~��L. ��-s�`•� �� -t• - sn'..'o• 211a �C
# o _
NI
77
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4► 'syr— + =� _ ♦ 7:.y \\ 21 — t +
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41
k4 41
V.
41
1T�#T` �h=s��t'�•: _ !rte. �r,._ y �� " Q r+'�' -�
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f• �-f ••
FIELD JP _
Cam 1 �' „ F. •� ! +► +
NIX
ARM q ..
yt-
PROJECT
Biggs/Prevatte Farm
Lumberton Land Application
SCALE' 1T1 2000T (approx.
�j Westinghouse Environmental J O B NO . LBW B 036
and Geotechnical Services. Inc. FIG. NO'. Field HB -1 and
r+n rtmtTr • nm t Tn.ta z•mm�r,. we r•+ f)TTAII 7 ri mi"

PROJECT
Prevatte/Prevatte Farm
Lumberton Land Application
isWestinghouse Environmental
and Geotechnical Services. Inc.
S C ALE: 1 �""" `a
J 0 B NO: cBw $ 036
FIG. NO' Field JP2-1
PAIN
PROJECT
Prevatte/Prevatte Farm
Lumberton Land Application
isWestinghouse Environmental
and Geotechnical Services. Inc.
S C ALE: 1 �""" `a
J 0 B NO: cBw $ 036
FIG. NO' Field JP2-1

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PRG -ECT
5 C ALE. 1"=1667' (approx. )
arr t ep ens Farm (11 ,12 ,1 ) J G B NO : GBW B 036
Neal/Stephens Farm(14,15) j WestinghmseEnvirDwerol
Lewis/Stepphens Farm(16,18, 9) 7 and Geateehnicai Services. Inc.
Stephens Farm(21,22) FIG. NO: SCSSoil Mapping
Sheet Numbers 55 and 61
F1:

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LLMERTON LAND APPLICATION
and G"chnical Servim. Inc.
FIG. NO:Locatiorl Map
If
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LLMERTON LAND APPLICATION
and G"chnical Servim. Inc.
FIG. NO:Locatiorl Map

jjb r7, u
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t' llstl3 4as
♦> 177.
.� ADq
.9
5
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1 % 6 t I7 .7 7 10 ej r i.1 t►5 1.6 w
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3ik MAP 377 i7 _lam F00. X1.9 Y 3i1l- O
Iws 5375. y e la �r 3.a4 aUU
° �-
i1 ]�:� • e �} .6
17 A
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r SIl� 11To -• �. �11� I�aO�vr,A yr SIH leu Irl 7112
444
PROJECT
S C ALE: 117= z miles
CAMPEN/BAKER FARM Westinghouse Environmerml J 0 8 NO: cBw B 036
LUMBERTON LAND APPLICATION and Geotechnical Services, Inc. FIG. NO :Location Map
Lul
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3ik MAP 377 i7 _lam F00. X1.9 Y 3i1l- O
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r SIl� 11To -• �. �11� I�aO�vr,A yr SIH leu Irl 7112
444
PROJECT
S C ALE: 117= z miles
CAMPEN/BAKER FARM Westinghouse Environmerml J 0 8 NO: cBw B 036
LUMBERTON LAND APPLICATION and Geotechnical Services, Inc. FIG. NO :Location Map

PROJECT
A.R. LOWRY FARM
LUMBERTON LAND APPLICATION
-j Westinghouse Environmental
and Geotechnical Services, Inc.
SCALE: 1"- 2 Miles
JOB NO: GBW B 036
FIG. NO .Location Map

PROJECT
THEODORE LOWERY FARM
LUMBERTON LAND APPLICATION
®Westinghouse Environmerrta!
and Geotechnical Services. Inc.
SCALE'. I` 2 Miles
J 0 H NO: GBW B 036
F;G. NO:Location Map

PROJECT
LUMBERTON AIRPORT FARM
LUMBERTON LAND APPLICATION
j Westinghouse Environmental
and Geotechnical Services. Inc,
SCALE: 1" 2 Miies
JOB NO: GBw a 036
FIG. NO :Location Map

ITEM
(1)
(2)
(3)
RATING SCALE FOR CLASSIFICATION OF FACILITIES
Name of Plant: 61-,4 J- LLfn
Owner or Contact Person: t Ka 3cLrd
Mailing Address: Q 0 -
------ �m n a'1325-- -------
County: pm Telephone:^ 09191 (o"lI-3Xb(_
NPDES Permit No. NCOO Nondiso. Per. No. t,JCQ 00000'7 of
Issue Date: Expiration Date: cY
Existing Facility New Facility
Rated Ry:. 0- MC GLsE i t Date:_ 1/,2 (e I!I a
Reviewed (Train. & Cert.) Reg. Office—
Reviewed (Train. & Cert.) Central Office
ORC Grade_
Plant Class: (circle one) O 11 III IV Total Points _10_
POINTS
Industrial Pretreatment knits and/or
Industrial Pretreatment Program
(see definition No. 33) 4
DESIQ FLOW OF PLANT IN GPD
(not applicable to non -contaminated cooling waters, sludge
handling facilities for water purification plants, totally
closed cycle systems (def. No. 11), and facilities
consisting only of Item (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 —1,0D0,000 .............. . ........... 8
1,000,001 -- 2,000.000 ... . ................. . .. 10
2,000,001 (and up) - rate 1 point additional for each
200,000 gpd capacity up to a
maximum of 30
Design Flow (gpd) :
PRELIMINARY UNITS (see definition no. 32)
(a) Bar Screens ................................ 1
or
(b) Mechanical Screens, Static Screens or
Comminuting Devices ........... ............. 2
(c) Grit Removal ...... ............. ............ i
or
(d) Mechanical or Aerated Grit Removal ........ _ .. 2
(e) Flow Measuring Device .............. . ........ 1
or
(f) Instrumented Flow Measurement .............. 2
(g) Preaeralion................................ 2
(h) Influent Flow -Equalization .............. . .... 2
(i) Grease or Oil Separators - Gravity .... _ .. _ . _ 2
Mechanical ... 3
Dissolved Air Flotation. 8
G) Prechlorination .............................. 5
4) PRIMARY TREATMENT UNITS
(a) Septic Tank (see definition no. 43) . . ........... .
(b) Imhoff Tank ..... . ........................... _ .
(c) Primary Clarifiers ....................... . ... .
(d) Settling Ponds or Settling Tanks for Inorganic
Non-toxic Materials {sludge handling facilities
for water purification plants, sand, gravel,
stone, and other mining operations except
recreational activities such as gem or gold
mining) ......................................
2
5
5
7
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(i)Aeration - High Purity Oxygen System .....
20
Diffused Air System ...........
10
Mechanical Air System (fixed,
floating or rotor) ..............
8
Separate Sludge Reaeration .....
3
(ii) Trickling Filter
High Rate ...................
7
Standard Rate ...............
5
Packed Tower ...............
5
(iii) Biological Aerated Filler or Aerated
Biolooical Filter ......................
10
(iv) Aerated Lagoons ..................... .
10
(v) Rotating Biological Contactors .......... 10
(vi) Sand Fillers -
intermittent biological .... .
recirculating biological .. .
(vii) Stabilization Lagoons .......... . .. . .... .
(viii)Clarifier ..............................
(ix) Single stage system for combined
carbonaceous removal of BOD and
nitrogenous removal by nitrification
(see del. No. 12) (Points for this item
have to be in addition to items (5) (a)
(i) through (5) (a) (viii) .................
(x) Nutrient additions to enhance BOD
removal ...............................
(xi) Biological Culture ("Super Bugs") addition
to enhance organic compound removal .... .
(b) Nitrogenous Stage
(i) Aeration - High Purity Oxygen System
Diffused Air System ...........
Mechanical Air System (fixed,
floating, or rotor) ...... ......
Separate Sludge Reaeration .... .
(it) Trickling Filter -
High Rate ..............
Standard Rate ............
Packed Tower............
(iii) Biological Aerated Filter or Aerated
Biological Filter ................ . ....... .
(iv) Rotating Biological Contactors ............
(v) Sand Filter -
intermittent biological ..... _ . .
recirculating biological ....... .
(vi) Clarifier . ........................... . .. .
2
3
5
5
B
5
5
20
10
8
3
7
5
5
10
10
2
3
5

TE OR ADVANCED7f�EATM> N7 UNIT
(10) -CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
(a) Activated Carbons Beds -
(not applicable to chemical additions rated as item
without carbon regeneration .................. 5
(3) (j). (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e),
with carbon regeneration ..................... 15
(9) (a), (9) (b), or (9) (c) 5 points each: Lis[:
(b) Powdered or Granular Activated Carbon Feed -
5
without carbon regeneration ................. 5
5
with carbon regeneration ................... 15
5
(c) Air Stripping ............................. 5
. . . . . . 5
(d) De nit rilicaLion Process (separate process) ... . . 10
(e) Electrodialysis .............................. 5
(11) MISCELLANEOUS UNITS
(f) Foam Separation ............................. 5
(a) Holding Ponds, Holding Tanks or Settling Ponds
(g) Ion Exchange................................ 5
for Organic or Toxic Materials including wastes
(h) Land Application of Treated Effluent
from mining operations containing nitrogen and/or
(see definition no. 22b) (not applicable for
phosphorous compounds in amounts significantly
sand, gravel, stone and other similar mining
greater than is common for domestic wastewater .......... 4
operations)
(b) Effluent Flow Equalization (not applicable to storage
(i) on agriculturally managed sites (See def,
basins which are inherent in land application syslems). 2
No- 4)................................... 10
(c) Stage Discharge (not applicable to storage basins
(i i) by high rate infiltration on non-agriculturally
inherent in land application systems ....................................... 5
managed sites (includes rotary distributors
(d) Pumps...................
and similar fixed nozzle systems) ........... 4
(e) Stand-By Power Supply................................................................. 3
(iii) by subsurface disposal (includes low pressure
(i) Thermal Pollution Control Device..................
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica-
tion lines only) ............................. 4
TOTAL POINTS
(i) Microscreens.................................. 5
(j) Phosphorus Removal by Biological Processes
CLASSIFICATION
(See def. No. 25) ............................ 20
(k) Polishing Ponds - without aeration ....... 2
Cass I....... ........... ..................................
tivith aeration .......... 5
Class II........................................................ 26- 50 Points
(1) Post Aeration - cascade .............. 0
Class III....................................................... 51- 65 Points
diffused or mechanical ... 5
Class IV........................................................ 66- Up Points
(m) Reverse Osmosis ............................... 5
(n) Sand or Mixed-Media Filters - low rale ........... 2
Facilities having a rating of one through four points, inclusive,
high rale .......... 5
do not require a certified operator. Classification of all other
(o) Treatment processes for removal of metal or
facilities requires a comparable grade operator in responsible
cyanide.................................... 15
charge.
(p) 'Treatment processes for removal of toxic
materials other than metal or cyanide ......... 15
Facilities having an activated sludge process will be assigned
a minimum classification of Ciass ll.
SIrUDGE TREATMENT
Facilities having treatment processes for the removal of metal
(a) Sludge Digestion Tank - Healed...............
10 or cyanide will be assigned a minimum classification of Class 11.
Aerobic ...............
5
Unhealed.............
3 Facilities having treatment processes for the biological removal
(b) Sludge Stabilization (chemical or thermal) .......
5 of phosphorus will be assigned a minimum classification of Class
(c) Sludge Drying Beds - Gravity .................
2
Vacuum Assisted .......
5
(d) Sludge Elutriation .............................
5 In-plant processes and related control equipment which are an
(e) Sludge Conditioner (chemical or thermal) ........
5 integral part of industrial production shall not be considered waste
(f) Sludge Thickener (gravity) ......................
5 treatment. Likewise, discharges of wastewater from residences
(g} Dissolved Air Flotation Unit
having a design flow of 1,000 gpd or less, shall not be subject to
(not applicable to a unit rates as (3) (i) .........
8 rating.
(h) Sludge Gas Utilization (including gas storage) ....
2
(i) Sludge Holding Tank - Aerated................
5 ADDITIONAL COMMENTS
—
Non-aerated ............
2
(j) Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k) Vacuum Filter, Centrifuge or Filler Press or other
similar dewaledrng devices ....................
10
(8) SLUDGE DISPOSAL (including incinerated ash)
(a)Lagoons.. ......................................
2
(b) Land Application (surface and subsurlace)
(see definition 22a)
-where the facility holds the land app. permit .
-by contracting to a land application operator who
holds the land application permit ................
2
-land application of sludge by a contractor who does
not ho!d the permit for the wastewater treatment
facility where the sludge is generated .........
10
(c) Landfilled (burial) .............................
5
(9) DISINFECTION
(a) Chlorination .............................
5
(b) Dechlorination ........................
5
(c) Ozone ..............................
5
(d) Radiation ..........................
5

f N(T)SNS
(1)Ac6vated Carbon Beds. A physicallchemical nethod for reducing soluble organic malerial Isom vraslewaler
elliuent; the column -type beds used in this melhod will have a flow rate varying from two to eight gallons per
minule per square fool and may be either up'low or downllow carbon beds, Carbon may or may not be
regenerated on the wastewater treatment plant site.
(2)Aeraled 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 fiow-lhrough basis;
(3)Aeration. A process of bringing about intimate contact belween air or high purity oxygen in a liquid by
spraying, agitation diffusion;
(4)Agricullurally 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 conversed 10 dissolved ammonia (pH adjustment)
with the ammonia then released to the atmosphere by physical means; or other similar processes which remove
petroleum products such as benzene, toluene, and xylene.
(6)Carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high
temperatures which volatilize and oxidize the absorbed impurities;
(7)Carbonaceous Stage. A stage of wastewater treatment designed 10 achieve 'secondary- effluent limits.
(B)Centrifuge. A mechanical device in which centrifugal force is used Ig separate solids from liquids and/or to
separate liquids of different densities;
(9)Chemical Addition Systems - The addition of chemical (s) to wastewater a1 an application point for purposes of
improving solids removal, pH adjuslmenl, alkalinity control, etc.; the capability to experiment with different
chemicals and different application points to achieve a specific result will be considered one system; the
capability to add chemical (s) 10 dual units wit! be rated as one system; capability to add a chemical at difference
application points for different purposes will result in the systems being rale as separate system.
(10)Chemical Sludge Condilioning. The addition of a chemical compound such as lime, ferric chloride, or a
polymer to wet sludge to coalesce the mass prior to its applicalion to a dewatering device;
(II)Closed Cycle Systems. Use of holding ponds or holding Tanks for containment of wastewater containing
inorganic, non-toxic materials from sand, gravel, crushed stone or other similar operations, from which there is
no discharge to the surface walers; such systems shall carry a maximum of two points regardless of pumping
facilities or any other appurtenances;
(12)Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nitrification - A single stage system
'designed- to achieve 'advanced- permit effluent limits on BOD and ammonia nitrogen within the same biological
reactor.
(13)De-chtorinalion. The partial or complete reduction of residual chlorine in a liquid by any chemical or physical
process;
(14)Denilrification Process. The conversion of nitrate -nitrogen to nitrogen gas;
(1 S)Eleclrodialysis. Process for removing ionized salts from water through the use of ion -selective ion -
exchange membranes;
(16)Filler Press. A process operated mechanically for partially dewatering 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
foam fractionation;
(18)Gril Removal. The process of removing gril and other heavy mineral matter from wastewaler;
(19)lmhoff Tank. A deep Iwo story wastewater lank consisting of an upper sedimentation chamber and a lower
sludge digestion chamber;
(20)lnslrumenled Flow Measuremeni. A device which indicates and/or records rale of flow;
(21)lon Exchange. A chemical process in which ions from two different molecules are exchanged;
(22)Land application; (a) Sludge Disposal. A linal sludge disposal method by which sludge may be applied to land
either by spraying on the surface or by subsurface injection (i.e., chisel plow); (not
apptrcaote for types of sludge described in (1 t) of this Rule); (b)Trealed 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 and/or treatmenl;
(23)tviicroscreen. A low speed, continuously back -washed, rotating drum filter operating under gravity
conditions as a polishing method removing suspended solids from effluent;
(24)hfitrifica[ion Process. The biochemical conversion of unox'rdized nitrogen (ammonia and organic nitrogen) to
oxidized nitrogen (usually nitrate);
(25)Nilrogenous 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 oxic/anoxic process
designed to enhance luxury uptake of phosphorus by the microorganisms;
(27)Polishfng Pond. A holding pond following secondary treatment with sulficienl detention to allow for the
settling of finely suspended solids;
(28)Pos1 Aeration. Aeration following conventional secondary treatment units to increase effluent D.Q. or for
any other purpose;
(29)Post Aeration- (Cascade) A polishing method by which dissolved oxygen is added to the efflunal by a
nonmechanical, gravity means of flowing down a series of steps or weirs; The flow occurring across the steps or
weirs moves in a fairly thin layer and the operation of the cascade requires no operator adjustmenl; thus, zero
points are assigned even though this is an essential slep to meeting the limits of the discharge permit;
(30)Pewdered or Granular Activated Carbon Feed. A biophysical carbon process that utilizes biological activity
and organic absorption by using powdered or granular activated carbon; Virgin and/or regenerated carbon is feed
controlled into the system;
(31)Preaeralion. A lank constructed to provide aeration prior to primary treatment;
{32)Preliminary Units. Unit operations in the treatment process, such as screening and comminution, that
prepare the liquor for subsequent major operations;
(33)Induslrial Pretreatment: (a)Pre-lrealment Unit, industrial. The conditioning of a waste at its source before
discharge, to remove or to neuirafze substances injurious to sewers and treatment processes or to effect a
partial reduction in load on a treatment process which is operated by the same governing body as the wastewater
lrealmenl plant being raled; (b)Pre•lrealment Program, Industrial - must be a State or EPA required program to
receive points on the rating sheet;

4W
(34)Primary Clarifiers. The first settling tanks through which wastewater is passed in a treatment works for
the purpose of removing settleable and suspended solids and BOD which is associated with the solids:
(35)Pumps. All influent, effluent, and Implant pumps;
(36)Radiation, Disinfection ardlor sterilization process utilizing devices emitting ultraviolet or gamma rays;
(37)Reverse Osmosis. A treatment process in which a heavy contaminated liquid is pressurized through a
membrane forming nearly pure liquid free from suspended solids;
(38)Rolating Biological Contactors. A fixed biological growth process in which wastewater flows through tanks
in which a series of partially submerged circular surfaces are rotated;
(39)Sand Filters:(a)Intermitteni Biological. Filtration of effluent following septic tanks, lagoons, or some other
treatment process in which further blodecomposition is expected to produce desired effluents; Hydraulic loading
rales on these fillers are computed in gpd/ac and have a resulting low gpm/sf (fess than one); (b)Recirculating
biological - the same type of sand filter as - .;oed in (a) with the added capability to recycle effluent back
through the sand filler;
(40)Sand or Mixed -Media Fillers. A polishing process by which effluent limits are achieved through a further
reduction of suspended solids:(a)low rate -- gravity, hydraulically loaded filter with loading rates in the one to
three gp.m/sf range;(b)high rale -- a press hydraulically loaded filter with loading rates in the five gpmisf
range; P-1 any rate, the loading rate will exceed three gpmisf;
(41)Secondary Clarifiers. A tank which follows the biological unit of a treatment plant and which has the purpose
of removing sludge associated with the biological treatment units;
(42)Separate Sludge Reaeration. A part of the contact stabilization process 'where the activated sludge is
transferred to a lank and aerated before returning it to the basin;
(43)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 residences having a
capacity of 2000 gallons or less which discharge to a nitrification field;
(44)Sludge Digestion. The process by which organic or volatile matter and sludge is gasified, liquefied,
mineralized or converted into more stable organic mallet through the activity of living organisms, which includes
aerated holding tanks;
(45)Sludge Drying Beds, An area comprising natural or artificial layers of porous materials upon which digested
sewage sludge is dried by drainage and evaporation;
(46)Sludge Elutriation. A process of sludge conditioning in which certain constituents are removed by successive
washings with fresh water or plant effluent;
(47)Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings, driving engines,
etc.;
(48)Sludge Holding tank (Aerated and Nonaerated). A tank utilized for small wastewater treatment plants not
containing 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 simply to keep the sludge fresh, but not
necessarily an amount that would be required to achieve stabilization of organic matter. A nonaerated tank would
simply be used to decant sludge prior to dewatering and would simply be used to decant sludge prior to
dewatering and would not allow long periods (several days of detention) without resulting odor problems;
(49)Sludge Incinerators. A furnace designed to burn 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 fess odorous and putrescrible,
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)Siabilizalion lagoon. A type of oxidation lagoon in which biological oxidation of organic mailer is effected by
natural transfer of oxygen fo the water from air (not a polishing pond);
(53)Stand-By Power Supply. On site or portable electrical generating equipment;
(54) Static Screens. A stationary screen designed to remove solids including non -biodegradable particulate
(floaiable solids, suspended solids and BOD reduction) from municipal and industrial wastewater treatment
systems;
(55)Tertiary Treatment. A stage of treatment following secondary which is primarily for the purpose of effluent
polishing; A settling lagoon or sand or coal filter might be employed for this purpose.
(56)Themnal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing in lubes to
another fluid outside the tubes, or vice versa; or, other means of regulating
liquid temperatures;
(57)Thermal Sludge Conditioner. A conditioning process by which heat is added for a protracted period of lime to
improve the dewaterability of sludge by the solubilizing and hydraufizing of the smaller and more highly hydrated
sludge particles;
(58)Toxic Materials. Those wastes or combinations or wastes including disease -causing agents which after
discharge and upon exposure, ingestion, inhalation or assimilation into any organism either directly from the
environment or indirectly by ingestion through food chains, will cause death, disease, behavioral abnormalities,
cancer, genetic mutations, physiological malfunctions (including malfunctions in reproduction) or physical
deformations, in such organisms or their offspring: Toxic materials include, by way illustration and not
limilation: lead, cadmium, chromium, mercury, vanadium, arsenic, zinc, Ortho -nil ro-chlorebenzene (ONCE
polychlorinated biphenyls (PCBs) and dichlorodiphenyl trichloroethane (DDT); and any other materials that have
or may hereafter be determined to have toxic properties;
(59)Trickling filler. A biological treatment unit consisting of material such as broken stone or rock over which
wastewater is distributed; A high rale trickling filter is ona which is operated at between 10 and 30 mgd per
acre. A low rale trickling filter is one which is designed to operate at one to four mgd per acre;
(60)Trickling Filler (Packed Tower). A plug flow type of operation in which wastewater flows down through
successive layers of media or filtrate material; Organic material is removed continually by active biofoglcal
fixed growth in each successive layer. This method may produce 'secondary' quality effluent, or may be
adapted to produce a nitrified effluent;
wwacuum Filters. Centrifuges, or Filler Presses. Devices which are designed to remove excess water from
either digested or undigested sludge prior to disposal or further treatment.