WQ0000011_Final Permit_19940112

State of North Carolina
Department of ILLM,nvironment,
Health and Natural Resources 4 e
Division of Environmental Management
4A 9
�T
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary ID G H N F1
A. Preston Howard, Jr., P.E., Director
January 12, 1994
Mr. Tom Hartye, Town Engineer
Town of Hillsborough
Post Office Box 429
Hillsborough, North Carolina 27278
Subject: Permit No. WQD000011 Amendment
Town of Hillsborough
Land Application of Sludge
Orange County
Dear Mr. Hartye:
In accordance with your amendment request received June 4, 1993, we are forwarding herewith
Permit No. WQ0000011 dated January 12, 1994, to the Town of Hillsborough for the operation of a land
application of sludge program. This permit amendment is to delete 35.81 acres of land application site
designated Site No. 23, William Robert Hogan owner. It is stated in your amendment request this site is
deleted due to a cancellation notice of the "Owners Agreement". This land owner has expressed a desire to
be included in the OWASA land application program.
This permit shall be effective from the date of issuance until August 31, 1995, 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. WQ000001 I issued September 2, 1992.
If any parts, requirements, or limitations contained in amended part of 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, on the amended portion of this permit only. 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.
P.O. Box 29535, Raleigh,, iVorth Carolina 27626-9535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

If you need additional information concerning this matter, please contact Mr. John Seymour at 919/
733-5083.
Sincerely,
A. Pres Howard, Jr., P.E.
cc: Orange County Health Department
Pridgen Consultants, Inc.
Raleigh Regional Office, Water Quality Section
Raleigh Regional Office, Groundwater Section
Jack Floyd, Groundwater Section Central Office
Training and Certification (no rating change)
Facilities Assessment Unit

NOR.T.Jj 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
Town of Hillsborough
Orange County
FOR THE
operation of a sludge land application program consisting of the application of approximately 1,000 dry
tons per year of sludge from the Town of Hillsborough wastewater treatment facility to approximately
1,400.88 acres of land in Orange County with no discharge of wastes to the surface waters, pursuant to
the amendment request received June 4, 1993, and the application received May 27, 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 August 31, 1995, and shall be subject
to the following specified conditions and limitations:
1. The Raleigh Regional Office, telephone number 919/ 571-4700 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 on the new sites 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 Orange County
Manager's office must be notified prior to the initial application so that they will be aware
that the operation has commenced.
2. This permit shall become voidable if the soils fail to adequately 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 9s 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 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.
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 II 4 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.
11. Specific sludge application area boundaries shall be clearly marked on each site prior to and
during sludge application.
2

II.
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 plan approved by this Division.
3. The application rates shall not exceed the following for the specified crops:
Q= _ ._
PAN f lel .I=Lkr
Alfalfa
250
Blue Grass
220
Coastal Bermuda Grass
350
Corn (Silage & Grain)
200
Cotton
100
Fescue
250
Forest (Hardwood & Softwood)
75
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 ( dry tons&ear)
Town of Orange NCO026433 1,000
Hillsborough
5. The lifetime heavy metal loadings shall not exceed the following for the corresponding
Cation Exchange Capacities (CEC):
Lifetime Loadings flbs/acrel
Parm
CEC c 5
CEC 5- 15
E> 1
Lead
500
1000
2000
Zinc
250
500
1000
Copper
125
250
500
Nickel
125
250
500
Cadmium
4.5
9
18
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 8A, .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 lime, sludge and soil mixture of at least 6.5.
u1► N to]C :al 01430) .1WItEIR1 63 Offifa
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/acr6 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
W

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
l 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)
The TCLP analysis shall include the following parameters:
Arsenic
Benzene
Carbon tetrachloride
Chlorobenzene
Chromium
m -Cresol
Cresol
1,4 -Dichlorobenzene
1,1-Dichloroethylene
Endrin
Hexachlorobenzene
Hexachloroethane
Lindane
Methoxychlor
Nitrobenzene
Pyridine
Silver
Toxaphene
2,4,5 -Trichlorophenol
2,4,5 -TP (Silvex)
5
Barium
Cadmium
Chlordane
Chloroform
o -Cresol
p -Cresol
2,4-D
1,2-Dichloroethane
2,4-Dinitrotoluene
Heptachlor (and its hydroxide)
Hexachloro-1,3-butadiene
Lead
Mercury
Methyl ethyl ketone
Pentachlorophenol
Selenium
Tetrachloroethylene
Trichloroethylene
2,4,6 -Trichlorophenol
Vinyl chloride

5. All sludges included in this permit must be monitored for compliance with condition I.10 of
this permit. Data to verify stabilization by a process to significantly reduce pathogens (as
described in 40 CFR Part 257, Appendix II) 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 111 1,
III 2, III 3, III 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 Raleigh Regional Office, telephone number
919/ 571-4700 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 i ne 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.
1. Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
2. 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 143-215.6A.
The sale of property, by the Permittee, which is within or contiguous to the disposal
system site may alter location of the Compliance Boundary.
c

For facilities permitted on or after December 30, 1983, the Compliance Boundary is
established at the lesser of 250 feet from the land application site 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 RENEW 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.
3. No land application of waste activities shall be undertaken when the seasonal high water
table is less than three feet below land surface.
V. INSPECTIONS
1. 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 en:r-irorument, a threwt tv 11-1-aman healu'r, yr 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.
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.
7

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 ssee
Application Areal acres
26 Ray Nichols
73.10
24F Ray Nichols
9.20
24 Ray Nichols
12.10
2 Ray Nichols
4050
22 Ray Nichols
110.20
16 Don Collins
6.93
16A Don Collins
12.90
6a Don Collins
80.44
5 H. M. Lloyd
81.54
64 Cyrus A. Green
60.00
2F Cyrus A. Green
28.47
7 Grace Perry
40.00
19 n 1.7 W
twucuu r . Walker
4 81
nl ov. t
21,21A Lee & Laura Baldwin
14.69
1 Dwight Compton
119.00
2 William Harrington
11.00
3b M. A. Latta & Sons
293.00
4 Hardy Gates
46.00
5 Lee Miller
65.00
6 Carl Wall
38.00
10 Norman Walker
156.00
11 Neal Littman (Hollingsworth)
22.00
Total 1,400.88
1- Application Area excludes buffer areas.
8

a The land application site designated as Site No. 6, Don Collins, is partially covered in
soils having a seasonal high water table at depths ranging from 1.0 to 2.0 feet below land
surface. Therefore, no sludge shall be applied to this field during the period from December
through March inclusive.
b The acreage for Site No. 3, M. A. Latta & Sons, has been reduced due to inaccessibility
and steep slopes. The site acres were 363 acres, but are now adjusted to 293 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.
12. Issuances of this permit hereby voids Permit No. WQ0000011 issued September 2, 1992.
Permit issued this the 12th day of January, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Prestonward, Jr., P.E , Director
H
Division of nvironmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0000011
9

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(3)
h
RATING SCALE -FOR CLASSIFICATION OF FACILITIES
Name of Plant: I17V
Owner or- Contact Per
Mailing Address:L
County: Orgn;s Telephone:
NPDES Permit No. NCDO Nondisc, Per. No.- wa or,vo,.,
IssueDate:. air y2--_ - Expiration Date: oSr1�Y11q_5'
Existing Facility ✓ New Facilityy
Rated By: -- ; _� vrnoy,- - _ Date. or/ �,Z �
Reviewed (Train. i Cert.) Reg. Office
Reviewed (Train. & Cert.) Central Office
ORO
Plant Class: (circle ane) (1
POINTS
Industrial Pretreatment Units and/or
Industrial Pretreatment Program
(see definition No. 33) 4
DESIGN FLOW OF PLANT IN GPD
(not applicable to non -contaminated cooling waters, sludge
handling facilities for water purification plants, totally
closed cycle systems (dei. 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,D01 —1,000,000 .......................... 8
1,000,001 —2,000,000 ...... ...... 1D
2,000,001 (and up) - rale 1 point additional for each
20,0D0 gpd capacity up to a
maximum of 30
Design Flow (gpd) :
PRELIMINARY UNITS (see definilion no. 32)
(a) Bar Screens ................................ 1
or
(b) Mechanical Screens, Stalic Screens or
Comminuting Devices ........... ............. 2
(c) Grit Removal ............................... 1
or
(d) Mechanical or Aerated Grit Removal ........... 2
(e) Flow Measuring Device ....................... 1
or
(f) instrumented Flow Measurement .............. 2
(2) Preaeration................................ 2
(h) Influent Row -Equalization ................... 2
n Grease or Oil Separators - Gravity .......... 2
Mechanical .......... 3
Dissolved Air Flotation. 8
Pie chlorination ..................:........... 5
t4) PRIMARY TREATMENT UNITS
(a) Septic Tank (see definition no. 43) .............. 2
(b) Imhoff Tank .................................. 5
(c) Primary Clarifiers ..... .... ... 5
(d) SetlGng Ponds or Settling Tanks for Inorganic
Non-toxic M,alerials (sludge handling facilities
for water purification plants, sand, gravel.
stone, and other mining operations except
nom nr cold
Grade
11 1111 IV Total Paints
"41 111. slu iv
14-
2,76'
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(!)Aeration - High Purity Oxygen System .....
Diffused Air System ..... , , , , ,
Mechanical Air System (fixed,
floating or rotor) ............. .
Separate Sludge Reaeration ....
(ii) Trickling Filter
High Rate ...................
Standard Hate ...... _ ....... .
Packed Tower ...............
(iii) Biological Aereled Filler or Aerated
Biological Filter ......................
(iv) Aerated Lagoons ..................... .
(v) Rotating Biological Contactors ..........
(vi) Sand Filters•
intermittent biological .... ,
recirculating biological .... .
(vii) Slabilizalion Lagoons ...................
(viii)Ciarifier ..............................
(ix) Single stage system for combined
carbonaceous removal of SOD and
nitrogenous removal by nitrification
(see def. No. 12) (Points for this Item
have to be in addition to Items (5) (a)
11$ through (5) (a) (viu) .................
(x) Nutrient additions to enhance BOD
removal .... .
(xi) Biological Cullure ('Super Bugs') addition
to enhance organic compound removal .... _
(b) Nitrogenous Stage
(f) Aeration - High Purity Oxygen System .... .
Diffused Air System ..... ... .
Mechanical Air System (fixed,
floating, or rolor) ...... ......
Separate Sludge Reaeration .....
(if) Trickling Filler -
High Rate ..............
Standard Rate ........... .
Packed Tower............
(Iii) Biological Aerated Filler or Aerated
Biological Filler ... .............. . ..... .
(iv) Rolaling Biological Contaclors ............
(v) Sand Filler-
intermiltenl biofogical , ...... .
recirculaling biological ....... .
(vi) Ctarifier ..... . ......................... .
20
10
a
3
5
10
10
10
2
3
5
8
5
5
20
10
a
3
5
5
1c
1C

w
7"- ' -IAgY OR ADVANCED TREATMENT UNIT
,,.0lnratcd Carbons Beds -
without carbon regeneration ..................
with carbon regeneration ....................
,owdered or Granula Activated Carbon Feed -
without carbon regeneration .................
with carbon regeneration ....................
(c) Air Stripping ......................... T . .
(d) DenUrification Process (separate process) . ... .
(e} Electrodialysis ........ _ ................... .
(� Foam Separation .............................
(g) Son Exchange ...... ................... - -... .
(h) Land Application of Treated Effluent
(see definition no. 22b) (not applicable for
,Sand, gravel, stone and other similar mining
operations)
(i) on agriculturally managed sRes (See del.
No. +4)...................................
(if) by high rate (nfillralion on non -agricullu rally
managed sites (includes rotary distributors
Ind similar axed nozzle systems) ...........
(Iii) by subsurface disposal (includes low pressur
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica.
tion fines only) .................. _ ........ .
n microscreens�
....... ........................
G) Phosphorus RemovalbyBiological Processes
(See def. No. 26) ............................
(k) Polishing Ponds - without aeration .......
with aeralion ..........
(l} Post Aeration - cascade ..............
diffused or mechanical .. .
n} Reverse Osmos}s ...............................
N Sand or Mixed -Media Fitters - low rate ...........
high rate ..........
lk_, Treatment processes for rer=val of metal or
(p)
cyanide....................................
Treatment processes for removal of toxic
materials other than metal or cyanide ....... .
(10) CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
5
(not applicable to chemical additions rated as item
15
(3) 61. (5) (a) (xi), (6) (a). (6) (b). (7) (b). (7) (e).
10
(9) (a), (9) (b), or (9) (c) 5 points each., List:
5
5
..... 5
15
Unheated ... .........
3
5
10
5
5
(11) MISCELLANEOUS UNITS
5
(a) Holding Ponds, Holding Tanks or Settling Ponds
5
for Organic or Toxic Materials inducing wastes
(d)
from mining operations containing nitrogen and/or
5
phosphorous compounds in amounts significantly
Sludge Conditioner (chemical or thermal) ........
greater than Is common for domestic wastewater .......... 4
(f)
(b) Effluent Flow Equalizalion (not applicable to storage
5
basins which are inherent in land application systems). 2
10
(c) Stage Discharge (not applicable to storage basins
inherent in land application systems ... .................. 5
6
3
4
(e}Pumps_
Stand -By Power Supply 4 3
e
(f) Thermal Pollution Control 3
20
2
5
0
5
5
2
5
15
15
t SLUDGE TREATMENT
5 - 25 Points
(a)
Sludge Digestion Tank - Heated ...............
10
51- 65 Points
Aerobic ...............
5
Unheated ... .........
3
(b)
Sludge Stabilization (chemical or thermal) .......
5
(c)
Sludge Dry'utig Beds - Gravity .................
2
Vacuum Assisted .......
5
(d)
Sludge Elutriation .............................
5
(e)
Sludge Conditioner (chemical or thermal) ........
5
(f)
Siudge Thickener (gravity) ......................
5
(g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) n .........
6
(h)
Sludge Gas Utilization (including gas slorage) ....
2
(i)
Sludge Holding Tank - Aerated ................
5
Non-aeraled............
2
(n
Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k)
Vacuum FUler, Centrifuge or Filler Press or other
similar dewalertng devicei ....................
10
19) SLUDGE DISPOSAL ("including incinerated ash)
(a)
Lagoons ........................................
2
(b)
Land Application (surface and subsurface)
(see definition 22a)
-where the facility holds the land app. permit ... 10
-by contacting to a land application operator who.
holds the land application permit ... ......... ..
2
-land appficalion of sludge by a contractor who does
not hold the permit for the wastewater Ireatment
facility where the sludge is generated .........
10
(c)
Landfilled (burial). ............................
5
(9) D1SINPEGTION
(a)
Chlorination ........................ .....
5
(b)
DechloAnalion ........................
5
�cl
Ozone ..............................
5
TOTAL POINTS bo
CLASSIFICATION
Ji « t
5 - 25 Points
Class 11
_ 26- 50 Points
Class 111
51- 65 Points
Mass IV_
66- Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Ciassification of all other
facilities requires a comparable grade operator in responsible
charge.
Facilities having an activated sludge process will be assigned
a minimum classificatiDn of Class Il.
Facilities having treatment processes for The removal or metal
or cyanide will be assigned a minimum CTassifiGation of Class 11.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
tri.
In-planl processes and related control equipment which are an
integral part of Industrial production shall not be considered waste
treatment. likewise, discharges of wastewater from residences
having a design flow or 1,000 gpd or less, shall not be subject to
rating.
ADDITION81- COMMENTS-