WQ0006017_Final Permit_19921211

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
December 11, 1992
Mr. Curtis Perry
Assistant Town Administrator
Town of Beaufort
P.D. Box 390
Beaufort, N.C. 28516
Subject: Permit No. WQ0006017
Town of Beaufort WWTP
Land Application of Sludge
Carteret County
Dear Mr. Perry:
In accordance with your application received January 6, 1992, we are forwarding herewith Permit
No. WQ0006017, dated December 11, 1992, to the Town of Beaufort for the operation of a land
application of sludge program. Please note that some of the proposed land application sites were found to
be unacceptable and are not part of this permit.
This permit shall be effective from the date of issuance until November 30, 1997, and shall be
subject to the conditions and limitations as specified therein. Please pay particular attention to the
monitoring requirements in this permit. Failure to establish an adequate system for collecting and
maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have
the right to request an adjudicatory hearing upon written request within 30 days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
Regional Offices
Asheville Fayetteville Mooresville Raleigh Washington Wilmington Winston-Salem
704/251-6208 919/486-1541 704/663-1699 919/571-4700 919/946-6481 919/395-3900 919/896-7007
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

If you need additional information concerning this matter, please contact�arolyn D.
McCaskill or Mr. John Seymour at 9I9/ 733-5083.
cc: Carteret County Health Department
Bio Gro Systems, Incorporated
Wilmington Regional Office, Water Quality Section
Wilmington 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 THE
Town of Beaufort
Carteret County
FOR THE
operation of a sludge land application program consisting of the application of approximately 34.4 dry tons
per year of sludge from the Town of Beaufort wastewater treatment facility to approximately 66.5 acres of
land in Carteret County with no discharge of wastes to the surface waters, pursuant to the application
received January 6, 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 November 30, 1997, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. The Wilmington Regional Office, phone no. [phone], and the appropriate local
governmental official (county manager/city manager) shall be notified at least twenty-four
(24) hours prior to the initial application of the 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 Carteret 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 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. Tobacco is considered a crop for direct human
consumption and per this restriction can not be grown on any site within 18 months of the
last sludge application event.
7. Maximum slope for sludge application shall be 10% for surface application and 18% for
subsurface applications.
8. The following buffers 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.
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 (PSRP) (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.
11. An alternative means of sludge stabilization to meet EPA requirements for at least PSRP
levels, shall be available in the advent the present method of sludge stabilization fails in any
way to meet PSRP levels.
12. Specific sludge application area boundaries shall be clearly marked on each site prior to and
during sludge application.
2

13. No sludge at any time shall be stored at any application site.
The facilities and disposal sites shall be properly maintained and operated at all times.
27 A suitable vegetative cover as listed in condition Ii 3, 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:
PAN (lbs/acrelyeg-I
Wheat
100
Barley
100
Oats
100
Corn Grain
160
Corn Silage
220
Soybeans
150
4. No sludges other than the following are hereby approved for land application in accordance
with this permit:
Permit Estimated
Source County Number Qjamt ( dry tones
Town of Beaufort Carteret NCO021831 34.4
WWTP
5. The lifetime heavy metal loadings shall not exceed the following for the corresponding
Cation Exchange Capacities (CEC):
Lifetime Loadings Qs/acre)
Parameter
CEC < 5
CEC 5 - 15
Lead
500
1000
Zinc
250
500
Copper
125
250
Nickel
125
250
Cadmium
4.5
9
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.
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.
3

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.
14: 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.
III. MONITORINGD REPORTING E RE E
1. Any monitoring (including groundwater, surface water, sludge, soil, or plant tissue
analyses) deemed necessary by the Division of Environmental Management to insure
protection of the environment will be established and an acceptable sampling and reporting
schedule shall be followed. If monitoring data indicates minimal or no concern to the
Division, reduction of monitoring requirements may be pursued after two annual reporting
periods.
2. Proper records shall be maintained by the Permittee tracking all disposal activities. These
records shall include, but are not necessarily limited to the following information:
a) source of sludge
b) date of sludge application
c) location of sludge application (site, field, or zone #)
d) method of application
e) weather conditions
f) soil conditions
g) type of crop or crop to be grown on field
h) volume of sludge applied in gallons/acre and dry tons/acre
i) annual and cumulative totals of dry tons/acre of sludge, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to
lead,nickel, cadmium, copper and zinc), annual pounds/acre of plant available
nitrogen (PAN), and annual pounds/acre of phosphorus applied to each field.
4

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
Leads
Zincl
pH
Manganese
Cation Exchange Capacity
Sodium
Nickell
Cadmiumt
Coppers
Calcium
1 Soils analysis for these parameters shall be conducted once prior to permit renewal
on each site which has received sludge during the permit cycle.
4. A quarterly sludge 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, if requested, 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
W

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 11) 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 1111,
III 2, 1113 and 1114 shall be submitted annually on or before March 1 of the following year
to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
7. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office telephone no.
[phone], as soon as possible, but in no case more than 24 hours or on the next
working day following the occurrence or first knowledge of the occurrence of any of the
following:
a. Any occurrence with the land application program which results in the land
application of significant amounts of wastes which are abnormal in quantity or
characteristic.
b. Any failure of the land application program resulting in a release of sludge material
to receiving waters.
C. Any time that self -monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate sludge treatment.
e. Any spillage or discharge from a vehicle or piping system transporting sludge to the
application site.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. CzRQUND31ATER REQUIREMENTS
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.
Cel

3. The Compliance BoundarX for the disposal system is specified by regulations in 15A
NCAC 2L, Groundwater Classifications and Standards. An exceedance of Groundwater
Quality Standards beyond the Compliance Boundary is subject to the penalty provisions
applicable under General Statute 143-215.6(1)a. The sale of property, by the Permittee,
which is within or contiguous to the disposal site, may alter the location of the Compliance
Boundary.
4. For facilities permitted on or after December 30, 1983, the Compliance Boundary is
-- established at the lesser of 250 feet from the perimeter of the waste disposal field, or 50
feet within the property boundary.
5. If the title to any property which may affect the location of the Compliance Boundary is
changed, the Permittee shall notify the DEM Director within 14 days. The Director shall
then establish a modified Compliance Boundary which will be done as a modification to the
Permit.
6. 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 RE IE
BOUNDARY, as determined by monitoring, the permittee shall ie'ther (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.
V . INSPECTION
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 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 Lime 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.
VI. GENERAL CONDITIQNS
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):
Site No. _ Owner/Lessee Application Areal acres
CRB 1-1 Dewitt D. Page 4.9
CRB 1-2 Dewitt D. Page 18.4
CRB 2-1 Ruby K.Simmons 6.4
CRB 2-2 Ruby K.Simmons 5.4
CRB 3-1 Harry D. Lockey 31.4
Total Acres 66.5
1- Application Area excludes buffer areas.
The land application sites designated as CRB1-1, CRB1-2 (South), CRB2-1, CRB2-2,
CRB3-1 are partially covered in soils having a seasonal high water table at depths ranging
from the ground surface to minus two (2) feet below land surface. Therefore, no sludge
shall be applied to this field during the period from December through March, inclusive.
Field CRB 3-1 is poorly drained and has a ditch running thru the center of the low area
which encompasses a large percentage of the available site area once required buffers are in
place. The contractor shall flag the low areas for nonusage and the site shall be used for
surface application only one time per three year period and as per the seasonal period listed
above.
6. Failure to abide by the conditions and limitations contained in this permit may subject the
Perniittee 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 i Ith day of December, 1992.
CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�J n- 4._
George T. Ever t, Director
Division of Enviro age t
By Authority of the Environmental Management Commission
Permit No. WQO0O6017
9

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RATING SCALE FOR CLASSIFICATION OF FACILITIES
Name of Plant: l aw!j &4 P-e °l�_yf
Owner or Contact Person:
Mailing Address: P. O. 3 qd i0 ear
Cq-�fnty:_ _Lyjpv-y Telephone:
NPDES Permit No. NCOO Nondisc. Per. No. V✓ o a _
IssueDate: _Expiration Date: I0%/9 7
Existing Facility New Facility
Rated By: �- Date: 1I/ I2/9z
Reviewed (Train, & C rt.) Reg. Office ^
Reviewed (Train, & Cert.) Central Office
ORC_ Grade
Plant Class: (circle one) 0 it
ITEM POINTS
(1) Industrial Pretreatment !Snits and/or
Industrial Pretreatment Program
(see definition No. 33)
4
(2) DFSlQ FLOW OF PLANT IN GPD
(not applicable to non -con laminated cooling waters, sludge
handling facilities for water purification plants, totally
closed cycle systems (del. 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
600,001--1,000,000 ........... . ..............
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) :
(3) PRELIMINARY UNITS (see definition no. 32)
(a) Bar Screens ................................
1
or
(b) Mechanical Screens, Static Screens or
Comminuting Devices ...................... . .
2
(c) Grit Removal ...............................
1
a
(d) Mechanical or Aerated Grit Removal ... , .......
2
(e) Flow Measuring Device .......................
1
or
(1) Instrumented Flow Measurement ..............
2
(g) Preaeration ...... . ............... . .........
2
(h) Influent Flow -Equalization ...... . ............
2
(i) Grease or Oil Separators - Gravity ..........
2
Mechanical..........
3
Dissolved Air Flotation,
8
6) Prechlorinalion ..................:...........
5
(4) PRIMARY TREATMENT UNITS
(a) Septic Tank (see definition no. 43) .............. 2
(b) ImhoIfTank .................................. 5
(c) Primary Clarifiers ........................ . ... 5
(d) Set0ing 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
III IV Total Paints /o
(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
(H) Trickling Filter
High Rate . ..................
7
Standard Rats ......... . . ... .
5
Packed Tower ...............
5
(Ili) Biological Aerated Filter or Aerated
Biological Filter .................. ....
10
(iv) Aerated Lagoons .................. ...
1 0
(v) Rotating Biological Contactors ..... _ _ ...
10
(vi) Sand Filters -
intermittent biological ...
2
recirculating biological _ . ..
3
(vu) Stabilization Lagoons .............. . ... .
5
(viif)Clarifier ........................ ......
5
(ix) Single stage system for combined
carbonaceous removal of BCD and
nitrogenous remove! by nitrification:
(see def. No, 12) (Paints for this item
have to be in addition to items (5) (a)
M through (5) (a) (viiii) ............ . ....
$
(x) Nutrient additions to enhance SOD
removal ............ .................
5
(xi) Biological Culture ('Super Bugs") addition
to enhance organic compound removal _ ....
5
(b) Nitrogenous Stage
(i) Aeration - High Purity Oxygen System _ ..
20
Diffused Air System ..... .....
10
Mechanical Air System (fixed,
floating, or rotor) ...... _ .....
8
Separate Sludge Reaeralior-a .....
3
(ii) Trickling Filler -
High Rate ........... . . _
7
Standard Rate ............
5
Packed Tower .......... _ _
5
(Ili) Biological Aeraled Filler or Aerated
Biological Filler ... . .............. .......
10
(iv) Rotating Biological Contactors ..... _ _ _ ....
10
(v) Sand Filter -
intermittent biological . - - _ - -
2
recirculating biological . .. - -
3

(5) TERTIARYOR ADVANCED TREATMENT UNIT
{a) Activai'd Carbons Beds -
` witho ' carbon regeneration ................. . 5
with ca ,_,on regeneration .. . ............... . . 15
Powdered or Granular Activaled Carbon Feed -
�u)
wilhout carbon regeneration ................. 5
with carbon regeneration .... .......... 15
(c) Air Stripping . ........... . ............... 5
(d) Denitrificalion Process (separate process) ..... 10
(e) ElecircK ialysis ........... - . . ...... . ....... _ _ 5
(a) foam Separation ... .......................... 5
(g) Ion Exchange ................................ 5
(h) Land Application el Treated Effluent
(see definition no. 22b) (not applicable for
sand, gravel, stone "and other similar mining
operations)
(i) on agriculturally managed sites (See def.
No. 4) ................................... 10
(ii) by high rate infiltration on non -agriculturally
managed sites (includes rotary distributors
and similar fixed nozzle systems) ........... 4
(iii) by subsurface disposal (includes low pressure
pipe systems and gravity systems except at
plants consisting of septic tank and nitrifica-
tion lines only) ...... . ..... . ................ 4
{i) Microscreens.................................. 5
{j} Phosphorus Remo,ral by Biological Processes
(See def. No. 26) ............. . ....... . ...... 20
(ic} Polishing Ponds - wilhoul aeration ....... 2
wilh aeration .......... 5
(1) Post Aeration - cascade ... . .... . .. . .. 0
diffused or mechanical ... 5
{m) Reverse Osmosis . ...... . ...... ................ 5
'n) Sand or Mixed -Media Filters - low rate ........... 2
high rate .... _ .... _ 5
ko) Treatment processes for removal of metal or
cyanide.................................... 15
(p) Treatment processes for removal of toxic
materials other than metal or cyanide ......... 15
} SLUDGE TREATMENT
(a) Sludge Digestion Tank - Heated ........... . . . .
10
Aerobic ......... _ .....
5
Unhealed .............
3
(b) Sludge Stabilization (chemical or thermal) .......
5
(c) Sludge Drying Beds - Gravity .............. ...
2
Vacuum Assisled .......
5
(d) Sludge Elulriation ... . . ........ . ........... . . ..
5
(e) Sludge Conditioner (chemical or thermal) ........
5
(f) Sludge Thickener (gravity) .. . ............... . . .
5
{g) Dissolved Air Flotation Unit
{not applicable to a unit rates as (3) O .........
B
(h) Sludge Gas Utilization (including gas storage) ....
2
(i) Sludge Holding Tank - Aerated ................
5
Non-acraled ............
2
(j) Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k) Vacuum Filler, Centrifuge or Filler Press or other
similar dewatering devices .. . .................
10
(B) 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 . .
-by contracting to a land application operator who
holds the land application permit ................
2
-land application of sludge b;{ a contractor who does
not hc!d the permit for the wastelvaler treatment
facility where the sludge -is generated .........
10
(c) Landlilied (burial} ........................ . ....
5
19) DISINFECTION
(a) Chlorination ...... . . .................... .
5
(b) Dechlorinalion ........... . . . ..........
5
(c) Ozone ..............................
5
(10) -CHGMICAL ADDITION SYSTEM (S) {See definition No. 9)
(not applicable to chemical additions rated as ilem
(3) Q), (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e),
(b), or �9) (c) 5 points each: List:
5
5
(11) MISCELLANEOUS UNITS
(a) Holding Ponds, Hok ing Tanks or Settling Ponds
for Organic or Toxic Materials induding wastes
from mining operations containing nitrogen and/or
phosphorous compounds in amounts significantly
greater than is common for domestic wastewater .......... 4
(b) Effluent Flow Equalization (not applicable to storage
basins which are inherent in land application systems)- 2
(c) Stage Discharge (not applicable to storage basins
inherent in land application systems ....................... _.............. 5
(d) Pumps. ..._............... 3
(e) Stand -By Power Supply.-_ _ . __ ^_......................... 3
(f) Thermal Pollution Control Device. ................................. .. 3
TOTAL POINTS /_
CLASSIFICATION
...�._..--.-._------------- �_ .. 5 - 25 Points
Class li.-_..............._........_ _. _ 26- 50 Points
Class III ._...... _— .... _....... 51- 65 Points
Class IV-__......_.....___.__._._..__ _ 66- Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible
charge.
Facilities having an activated sludge process wilt be assigned
a minimum classification of Class II.
Facilities having treatment processes for the removal of metal
or cyanide will be assigned a minimum classification of Class It.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
Ill.
In -plant processes and related control equipment which are an
integral part of industrial production shall not be considered waste
Irealment. Likewise, discharges of wastewater from residences
having a design flow of 1,000 gpd or less, shall no! be subject to
rating.
ADDITiONAL QQMMENT2