HomeMy WebLinkAboutWQ0004033_Final Permit_19940930`state of North Carolina
Department of Environment,
e ealth and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. Robert Lee Wilson, City Manager
Town of Mebane
106 East Washington Street
Mebane. North Carolina 27302
Dear Mr. Wilson:
September 30, 1994
Subject: Permit No, WQ600403;
Town of Mebane
Land Application of Wastewater Residuals
Alamance County
In accordance with your application received on June 20, 1994, we. are forwarding herewith Permit
No. WQ0004033 dated September 30. 1994. to the Town of Mebane for the operation of a wastewater
residuals land application program. Please note, the proposed ntw application fields owned by the Wyatte
Brothers are not authorized by this permit clue to site area constraints. Please note, condition 1T.4 of this
permit has specific PAN loading limits, which effect the allowed dry .tons per acre that may be applied.
This pen -nit shall be effective from the date of issuance until Septemb�t 30-1995. and shall be.
subject to the conditions and limitations as specified therein. Please pay particular- attention to the
monitoring and reporting requirements contained in this permit. Failure to establish an adequate systern for
collecting and maintaining the required operational information will result in future compliance problems.
Issuance. of this permit hereby voids Perinit No. WQ0004033 issuer} October l7, 1990.
If any parts, requirements, or limitations contained in this permit are unacceptable. you have the
right to request an adjudicatory heating upon written request within thirty (30) days following receipt of
this petTnit. This request must be in the form of a written petition, conforming to Chapter 150B of Forth
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 pennit shalt be final and binding.
If you need additional information concerning this matter, please contact Mr. John Seymour at
733- 083.
Sincerely,
A. Preston
cc: Alatnance Countv Health Department
Orange County Health Department
Winston-Salem Regional Office. Water Quality Ser:tiol]
\ inston-Saiem Regional Office. Gruuridwater Section
Raleigh Re-icmal Office, Groundwater Section
Ralzi`,:h Regional Office, Water Quality Secticm
Jack Floyd, Groundwater Section. Central Office
Training and Ct taification Unit
Faci tt e.s .,>seti; gent unit
w Cb , -1� C- Rol kD
Howard. Jr.. P.E. i
P.O. Box 29535. Raleigh, North Carolina 27626-0535 Telephone 91 9-73w-'701 5 rAX 919-732-2496
An Equal Opportunity Affirmative Ac#ion Employer 50". recycled .0 , post-consurner parer
s
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
RESIDUALS LAND APPLICATION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Town of Mebane
Alamance County
FOR THE
operation of a wastewater residuals land application program consisting of the application of approximately
425 dry tons per year of residuals from the Town of Mebane wastewater treatment facility to
approximately 413.82 acres of land in Alamance and Orange Counties with no discharge of wastes to the
surface waters, pursuant to the application received on June 20, 1994, 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 September 30, 1995, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
1. The Winston-Salem Regional Office, telephone number 910/ 896-7007, 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 residuals to a new site so that an hispeition cast be made
of the application sites and application method. Such notification to the regional supervisor
shall be made during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday
through Friday, excluding State Holidays. In addition, the Alamance County Manager's
office and 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 assimilate the wastes and
may be rescinded unless the sites are maintained and operated in a manner which will
protect the assigned water quality standards of the surface waters and ground waters.
3. The land application program shall be effectively maintained and operated as a non -
discharge system to prevent the discharge of any wastes resulting from the operation of this
program.
4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this program.
5. In the event that the land application program is not operated satisfactorily. including the
creation of nuisance conditions, the Permittee shall cease applying residuals to the sites and
take any immediate corrective actions as may be required by the Division.
6. Some of the buffers specified below may not have been included in previous permits for
this land application operation. However, any sites or fields that are included in this
permit, but were approved with different applicable buffers shall be reflagged to comply
with the below buffers. The following buffer zones shall be maintained:
a) 400 feet from residences or places of public assembly under separate ownership for
surface application method; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and approval from the
appropriate DEM regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
subsurface residual injection method; however, the buffer zone requirement may be
reduced to a minimum of 100 feet upon written consent of the owner and the
appropriate DEM regional office,
c) 100 feet from any public or private water supply source, waters classified as SA or SB,
and any Class 1 or Class II imp9unded reservoir used as a source of drinking water for
both methods.
d) 100 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for surface application,
e) 50 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for subsurface application,
t) 100 feet from property lines for both surface and subsurface application methods;
g) 50 feet from public right of ways for both application methods,
h) 10 feet from upslope interceptor drains and surface water diversions for both
application methods,
i) 25 feet from downslope interceptor drains, surface water diversions. groundwater
drainage systems and surface drainage ditches for both application -methods.
7. A copy of this permit shall be maintained at the land application site when residuals are
being applied during the life of this permit. A spill prevention and control plan shall be
maintained in all residuals transport and application vehicles.
8. Specific residual application area boundaries shall be clearly marked on each site prior to
and during application.
9. No residuals at any time shall be stored at any application site, unless approval has been
requested and obtained from the Division of Environmental Management.
10. Maximum slope for residual application shall be 10% for surface application and 1890 for
subsurface applications.
11. When wastewater residuals are applied, the Class A pathogen requirements and site
restrictions in 40 CFR Part 503.32(a) or the Class B pathogen requirements and site
restrictions in 40 CFR Part 503.32(b), and one of vector attraction reduction requirements
in 40 CFR Part 503.33 must be met. Additionally, an evaluation must be performed which
demonstrates the residuals ability to comply with this requirement. Upon request, a copy
of this evaluation must be submitted including all test results and calculations.
2
7. The pollutant concentrations in the residuals which will be applied to the land shall not
exceed the following Ceiling Concentrations (Dry Weight Basis): ,
Param�,t.ers mgLlcg.
Arsenic
75
Cadmium
85
Chromium
3,000
Copper
4,300
Lead
840
Mercury
57
Molybdenum
75
Nickel
420
Selenium
100
Zinc
7,500
8. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified land application./residuals operator to be in responsible charge (DRC) of
the land application program. The operator must hold a certificate of the type classification
assigned to the land application program by the Certification Commission. The Permittee
must also employ a certified back-up operator of the appropriate type to comply with the
conditions of Title 15A NCAC 8A, .0202.
9. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored residuals into any surface waters.
10. Surface applied residuals will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
11. For areas that are prone to flooding or within the 100-year flood elevation, residuals may
be applied only during periods of dry weather. The residuals must be incorporated into the
soil within twenty-four (24) hours after application.
1.2. Appropriate measures must be taken to control public access to the land application sites
during active site use and for the 12-month period following the last residual application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
13. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the residuals application area onto the adjacent property or into
any surface waters.
14. Residuals shall not be applied in inclement weather or until 24 hours following a rainfall
event of 1/2-inch or greater in 24 hours. Any emergency residuals disposal measures must
first be approved by the Division of Environmental Management.
15_ Residuals shall not be applied to any land application site that is flooded, frozen or snow-
covered.
16. Residuals shall not be applied at rates greater than agronomic rates, unless authorized by
the Division.
17. Animals shall not be grazed on an application site for 30 days after residuals application.
Application sites that are to be used for grazing shall have fencing that will be used to
prevent access after each application.
In
l K Food crops, feed crops and fiber crops that do not come in contact with the residuals shall
not be harvested for 30 days after residuals application.
19. Food crops with harvested parts that touch the residual/soil mixture and are totally above
the land surface (ex, tobacco, melons, cucumbers, squash, etc.) shall not be harvested for
14 months after residuals application.
20. Food crops with harvested parts below the surface of the land (root crops such as potatoes,
carrots, radishes, etc.) shall not be harvested for 20 months after application of residuals
when the residuals remain on the land surface for four (4) months or longer prior to
incorporation into the soil.
21. Food crops with harvested parts below the surface of the land shall not be harvested for 38
months after application of residuals when the residuals remain on the land surface for less
than four (4) months prior to incorporation into the soil.
22, Turf shall not be harvested for 1 year after residuals application if the turf is to be placed on
land with a high potential for public exposure.
III. MONITORING AND REPORTING REQUIREMENT
Any monitoring (including groundwater, surface water, residuals, 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.
Proper records shall be maintained by the Permitter- tracking all application activities.
These records shall include, but are riot necessarily limited to the following information:
a) source of residuals
b) date of residual application
c) location of residual application (site. field, or zone #)
d) method of application
e) weather conditions (sunny, cloudy, raining, etc.)
f) soil conditions
g) type of crop or crops to be grown on field
h) volume of residuals applied in gallons/acre, dry tons/acre or kilogramslhectare
i) annual and cumulative totals of dry tons/acre of residuals, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to arsenic,
cadmium, chromium, copper, lead, mercury, molybdenum, nickel, selenium and zinc),
annual pounds/acre of plant available nitrogen (PAN), and annual pounds/acre of
phosphorus applied to each field.
3. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving residuals in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years.
The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the
following. parameters:
Acidity
Calcium
Copper
Magnesium
Base Saturation (by calculation)
Cation Exchange Capacity
Manganese Potassium
Percent Humic Matter Sodium
pH Zinc
Phosphorus
5
The Standard Soil Fertility Analysis (see above) and an analysis for the following metals
shall be conducted once prior to permit renewal on soils from each site which has received
sludge during the permit cycle.
Arsenic
Cadmium
Chromium
Lead
Mercury
Molybdenum
Nickel
Selenium
4. A residuals analysis will be conducted quarterly from the date of permit issuance by the
Permittee and the results maintained on file by the Permittee for a minimum of five years.
If land application occurs at a frequency less than quarterly, a residuals analysis will be
required for each instance of land application.
The residuals analysis shall include but is not necessarily limited to the following
parameters:
Arsenic
Aluminum
Cadmium
Ammonia -Nitrogen
Chromium
Calcium
Copper
Nitrate -Nitrite Nitrogen
Lead
% Total Solids
Mercury
pH
Molybdenum
Phosphorus
Nickel
Plant Available Nitrogen (by calculation)
Selenium
Potassium
Zinc
Sodium
Magnesium
TKN
After the residuals have been monitored for two years at the above frequency, the Permittee
may submit a request to the Division for a permit modification for the reduction of the
frequency of monitoring for pollutant
concentrations and for the pathogen density
requirements, but in no case shall the frequency of monitoring be less than once per year
when residuals are applied to the land.
5. A Toxicity Characteristics Leaching Procedure (TCLP) analysis shall be conducted by the
Permittee annually. The TCLP analysis shall include the following parameters (please note
the regulatory level in mg/L in parentheses):
Arsenic (5.0)
Barium (100.0)
Benzene (0.5)
Cadmium (1.0)
Carbon tetrachloride (0.5)
Chlordane (0.03)
Chlorobenzene (100.0)
Chloroform (6.0)
Chromium (5.0)
o-Cresol (200.0)
m-Cresol (200.0)
p-Cresol (200.0)
Cresol (200.0)
2,4-D (10.0)
1,4-Dichlorobenzene (7.5)
1,2-Dichloroethane (0.5)
1,1-Dichloroethylene (0.7)
2,4-Dinitrotoluene (0.13)
Endrin (0.02)
Heptachlor (and its hydroxide) (0.008)
Hexachlorobenzene (0.13)
Hexachloro-1,3-butadiene (0.5)
Hexachloroethane (3.0)
Lead (5.0)
Lindane (0.4)
Mercury (0.2)
Methoxychlor (10.0)
Methyl ethyl ketone (200.0)
Nitrobenzene (2.0)
Pentachlorophenol (100.0)
Pyridine (5.0)
Selenium (1.0)
Silver (5.0)
Tetrachloroethylene (0.7)
Toxaphene (0.5)
Trichloroethylene (0.5)
? 4,5-Trichlorophenol (400.0)
2,4,6-Trichlorophenol (2.0)
2,4,5-TP (Siivex) (1.0)
Vinyl chloride (0.2)
6
6. All residuals included in this permit must be monitored quarterly from the date of permit
` issuance, for compliance with condition I I I of this permit. Data to verify stabilization and
vector attraction reduction of the residuals must be maintained by the Permittee. The
required data is specific to the stabilization process utilized, but should be sufficient to
clearly demonstrate compliance the Class A pathogen requirements in 40 CFR Part
503.32(a) or with the Class B pathogen requirements and site restrictions in 40 CFR Part
503.32(b), and one of vector attraction reduction requirements in 40 CFR Part 503.33. In
addition, the EPA certification statements concerning compliance with pathogen
requirements, vector attraction reduction requirements and management practices must be
completed quarterly by the proper authority or authorities if more than one is involved,
either the person who prepares the residuals, the p--rson who derives the material, or the
person who applies the residuals.
After the residuals have been monitored for two years at the above frequency, the Permittee
may request a permit modification for the reduction of the frequency of monitoring for
pollutant concentrations and for the pathogen density requirements, but in no case shall the
frequency of monitoring be less than once per year when residuals are applied to the land.
7. Three copies of all required monitoring and reporting requirements as specified in
conditions III 1. III 2, 11113, 1114, III 5 and III 6 shall be submitted annually on or before
March 1 of the following year to the following address:
NC Division of Environmental Management
Water Qualit}� Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
8. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone
number 910/ 896-7007 as soon as possible. but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following.
a. Any occurrence with the land application program which results in the land application
of significant amounts of wastes which are abnormal in quantity or characteristic.
b. Any failure of the land application program resulting in a release of material to receiving
waters.
c. Any time that self -monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate residual treatment.
e. Any spillage or discharge from a vehicle or piping system transporting residuals to the
application site.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 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�. GROUNDWATER REQUIREMENTS
I . The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is
for the disposal system constructed after December 31, 1983 is established at either (1) 250
feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is
closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or
beyond the Compliance Boundary is subject to immediate remediation action in addition to
the penalty provisions applicable under General Statute 143-215.6A(a)(1).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the
disposal systems midway between the Compliance Boundary and the perimeter of the
waste disposal area. Any exceedance of standards at the Review- Boundary shall require
remediation action on the part of the permittee.
2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
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
The Permittee or his designee shall inspect the residuals storage, transport, and application
facilities to prevent malfunctions and deterioration, operator errors and discharges which
may cause or lead to the release of wastes to the environment, a threat to human health, or a
nuisance. The Permittee shall maintain an inspection log or summary including at least the
date and time of inspection, observations made, and any maintenance, repairs, or corrective
actions taken by the Permittee. This log of inspections shall be maintained by the Permittee
for a period of five years from the date of the inspection and shall be made available to the
Division of Environmental Management or other permitting authority, upon request.
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 application site or facility at any reasonable time for
the purpose of determining compliance with this permit; may inspect or copy any records
that must be kept under the terms and conditions of this permit; and may obtain samples of
groundwater, surface water, or leachate.
V1. GENERAL. CONDITIONS
This permit shall become voidable unless the land application activities are carried out in
accordance with the conditions of this permit, the supporting materials, and in the manner
approved by this Division.
2. This permit is effective only with respect to the nature and volumL of wastes described in
the application and other supporting data.
3. This permit is not automatically transferable. In the event that there is a desire for the
facilities to change ownership or a name change of the Permittee, a formal permit request
must be submitted to the Division of 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.
Ey
4. The followin�e are approved sites for residuals application (see attached map(s)};11
Site No.
Owner/Lessee Application
AreaC
E.C.
(excluding
buffers)
Acres
5.01
Mac D. Bowman
2.3
6.2
5.02 seasonal`
Mac D. Bowman
6.4
7.1
6.05
Gayle T. Sink
9.21
5.3
6.07
Gayle T. Sink
3.42
8.9
7.04
W. L. Stanfield
12,45
8.1
8.01 seasonal*
Crawford Amick
8.26
11.6
8.02
Crawford Amick
11.88
3.1
8.03 seasonal*
Crawford Amick
11.89
3.8
8.04
Crawford Amick
5.32
6.0
9.01
Walter Wvatte, Sr.
2.81
2.7
9.02
Walter Wvatte, Sr.
15.69
3.3
9.03
Walter Wvatte, Sr.
9.60
8.1
9.04
Walter Wvatte, Sr.
3.82
4.6
10.01
Carl Walters
58.30
7.5
10.02
Carl Walters
10.52
4.3
10.03
Carl Walters
29.47
5.4
10.04
Carl Walters
5.37
6.5
10.05
Carl Walters
17.60
9.7
11.01
Alton Cummings
8.40
4.9
11.02
Alton Cummings
9.75
6.1
11.03
Alton Cummings
16.16
7.5
11.04
Alton Cummings
7.05
6.4
12.02
Mai-vin Alridge
5.75
4.5
13.03
George Chockley
8.50
2.9
13.05
George Chockley
8.20
3.8
13.06
George Chockley
5.60
4.8
13.07
George Chockley
6.10
4.2
15.01
Alton Cummins
11.5
16.07
W.C. Breeze Estate
9.0
16.08
W.C. Breeze Estate
17.0
17.01
Percy Hester
10.0
18.01
James Nicholson/
34.5
Thomas L. Nicholson
18.02
James Nicholson/
17.5
Thomas L. Nicholson
18.03
James Nicholson/
14.5
Thomas L. Nicholson
Total
4 13. 821
9
*These land application sites designated below are covered in part by soils having a
seasonal hiLah water table at depths ranging from 1.5 to 2.5 feet below land surface.
Therefore, these fields shall be subject to seasonal application as follows,
Period during which sludge may not be land applied
Mac D. Bowman Farm - Field No. 5.02 January - April
Crawford Amick Farm -Field No. 8.01 January - April
Crawford Amick Faun - Field No, 8.03C December - April
The follo,,ving fields are not being approved for land application of sludge for the reasons
noted.
The George Chockley Farm
Field No. 13.08 is unsuitable for land application until a suitable cover crop is planted, for
nutrient control, therefore., this site is not being authorized for land application.
Gayle T. Sink Farm
Field No. 6,06 existing access to field is not suitable.
Marvin Alridge Farm
Field No. 12.01 has poor soils and steep slopes.
Field No. 12.03 has unsuitable soils.
Field No. 12.04 has soils that are too shallow.
Field No. 12.05 has inadequate soil types.
George Chockley Farm
Field No. 13.01 has not been maintained and has poor access due to a stream.
Field Nu. 13.02 has not been maintained.
Field No. 13.09 has unsuitable soils.
Wyatte Brothers
Field No. 14.01 thru 14.04 due to space constraints.
5. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
6. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15 I CAC 2H .0205
(c)(4).
7_ The issuance of this permit does not preclude the Permittee from complying with any and
all statutes. rules, regulations, or ordinances which may be imposed by other government
a`?encie-s (local, state, and federal) which have jurisdiction.
R. The Permittee. at least six (6) months prior to the expiration of this permit, shall. request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein. and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
9. This perrnit may be modified, or revoked and reissued to incorporate any conditions,
limitations and nionitonng requirements the Division of Environmental Management deems
necessary in order to adequately protect the environment and public health.
10. This permit shall become voidable unless the agreements between the Permittee and the
landowners/lessees are in full force and effect. The land owner agreements are considered
expired concurrent with the expiration date of the permit and must be renewed at the same
time the permit is renewed.
11. Issuance of this permit hereby voids Permit No. WQ0004033 issued October 17, 1990.
Permit issued this the 30th day of September, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
r
A. Preston Howard, Jr., P.)E., Director /
Division 6f Environmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0004033 -.t
RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
Owner or Contact Person:
ailing Address: f 4��, � ? ,Sj- 30.
County., U Telephone:__a� 'V '5Z.F -
Present Classification: _New Facility Existing Facility
NPDES Per. No, NCOO Nondisc. Per. No.WQ LLL,9-0�3 Health Dept.Per No.
Rated by: J- ma's Tele hone:
P Zon7 Date: 2.` 7-2
Reviewed by: Health Dept. Telephone:
Regional Office Telephone: DLO efr_-7ee7
Central Office Telephone:
ORC:; Ke �(� �_ Grade: Teleph ne:- / �(
Check Classification(s): Subsurface Spray Irrigation Land Application
Wastewater Classification: (Circle One) 1 11 III IV Total Points:
\ ir:►! '��� :\R: :1 i �fila� ��ruJ\i �1�.*�:i :► ►�1.�.:: .:11 �aiiiiiii ii:lill�jl 11 ill ir.11 llllllrjjj Iri\ "M: ►A Z.
:\mp.:: irag 11: limeull Is► Ka I Raw4ralm W.1 a uJ I ill Le :n-.a.. i►
-------------------------------------------------------------
SUBSURFACE CLASSIFICATION
SPRAY IRRIGAT" CLASSIFICATION
(check all units that apply)
(check all units that apply)
1. septic tanks
1.
preliminary treatment (definition no, 32 )
2. pump tanks
2.
lagoons
3- siphon or pump -dosing systems
3,
septic tanks
4. sand filters
4.
pump tanks
grease trapfinterceptor
5.
pumps
oil/water separators
6.
sand filters
7. gravity subsurface treatment and disposal
7-
grease trap(interceptor
B. pressure subsurface treatment and disposal:
B.
oil/water separators
9.
disinfection
10,
chemical addition for nutrientlalgae control
11.
spray irrigation of wastewater
In addition to the above classifications, pretreatment of wastewater in excess of these components shell
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND AP ATIOWRESIDUALS CLASSIFICATION (Applies only to permit ho€der)
I. L/ Land application of biosolids, residuals or contaminated soils on a designated site,
WASTEWATER TREATMENT FACI=CLASSIFICATiON
The following systems shaft be assigned a Class I classification, unless the flow is of a significant quantfly or the technology is unusually
complex, to require consideration by the Commission on a case-1 basis: (Check if Appropriate)
1. OiVwater Separator Systems consisting only of physical separation, pumps and disposal:
2. Septic Tank/Sand Fitter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems;
5. Groundwater Remediation Systems consisting only of oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and c1l
6. Aquaculture operations with discharge to surface wafers;
Water Plant sludge handling and back -wash water treatment;
Seafood processing consisting of screening and disposal.
y. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1,
1993 or if .upon insF,ection by Diyision, it is found Ihai the system is not being adequaiefy operated or maintained. Sueh
systems will lee notified of the classification or reclassification by the Commission, in writing.
(f)
Post Aeration - Cascade.............................................................................................................................0
diffusedor mechanical........................................................................................................2
(m}
Reverse Osmosis ............................. .... .<,.................................................................................................... 5
(n)
Sand or Mixed -Media Filters - low ra e..........................................................................................................2
highrate......................................................................5
. (o)
Treatment processes for removal of metal or cyanide...................................................................................1 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide..............................................1 5
(7) SLUDGETREATMENT
* a
Sludge Digestion Tank - Healed anaerobic ..-•..10
Aerobic..............................................................................................................................................5
Unheated(anaoroblc)...................,.............................................,.,..........,.................................3
(b)
Sludge Stabilization (chemical or thermal)...................................................................................................5
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
Vacuum Assisted....................................................._.................................,...5
(d)
Sludge Elutriation..........................................._......................................5
e
Sludge Conditioner chemical or thermal) ...........................................................................5
(f )
Sludge Thickener (gravity)........................................................................................................................5
(9)
Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(i))........... ....................... ................... ..... ... B
(h)
Sludge Gas Utilization (including ges storage) .................................... ............................ ........................... ..2
(i)
Sludge Holding Tank - Aerated ...............................................................................................................5
Non-aerated..............._..........................................................2
(j)
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Fiher, Centrifuge, or Filter Press or other similar dewatering devices ............... ........... ..... .................... f 0
(8) RESIDUALS
UTiL1ZATIOfVDISPOSAL (inducting incinerated ash)
(a)
Lagoons..................................................................................................................................................2
(b)
Lard Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land application peril
orlandfill permit......................................................._...........................2
(c)
Dedicated Landfill(burial} by the permiltee of the wastewater treatment facility...............................................5
(9)
T1CN
(a)
Chiorinalien..............................................................................................................................................5
(b)
DechImination...............................................................--•-.........................5
(c)
Ozone.............................................................................. .-........,,.....,......................................................5
.
(d)
Radiation ........................... .............,_.............................................
(10) CHEMICAL ADDfTION SYSTFM(S) ( see definition No. 9) (not applicable to chemical additions rated as hem (3)(j),
(5)(a)(xi)•
(6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each:
List...............................................................................
.......I.
............................ .,.......,......,...............................................................................n —;5
.............................................................................................................................5
................... ..................................................................... ................................. 5
(1 1) MISCEU-ANECIUS UNITS(PFIOCESSES
(a)
Holding ponds, Holding Tanks or Sehling Ponds for Organic or Toxic Materials Including wastes from mining
operations containing nitrogen or phosphorus compounds In amounts significantly greater than is common
fordomestic wastewater .................................. ....................................,.........................................,...........4
(b)
Effluent Flow Equalization (not applicable to storage basins which are inherent Ih 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
TOTALPOINTS..........................................................................
CLASSIFICATK)N
CtassI...........................................................................................................5-25 Points
Class11 .........................................................................................................26-50 Points
classIll........................................................................................................51-65 Points
ClassIV .... .................................................................. ...................... ........... 66-Up Pcirts
-------------------------------------------------------------
Facilities having a rating of one through four points, Inclusive, do not require a cer (fled operator.
Facilities having an activated sludge process will be assigned a minimum ctassfflcation of Class It.
Fac€titles having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class 11.
Facifit€es having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class 111.
-------------------------------------------------------------
.0004 DEFINITIONS
The following definitions shall apply throughout this Subchapter,
(1) Activated Carbon Beds. A physical/chemical method for reducing soluble organic material from wastewater effluent; The column -type beds used In this
method will have a flow rate varying from two to eight gallons per minute per square foot and may be either upflow or downilow carbon beds. Carbon may or
may not be regenerated on the wastewater trealmer% plant silo;
(2) Aerated Lagoons. A basin in which all solids ate maintained In suspension and by which biological oxidalion or organic matter Is reduced through artificially
accelerated transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about Intimate contact between air or high purity oxygen In a liquid by spraying, agitation or d1ffuslon;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic detention Ilme of 16 hours.
(4) Agriculturally managed site_ Any she on which a crop is produced, managed, and harvested (Crop Includes gras4as, grains, trees, etc.):
(5) Air Stripping. A process by which the ammonium Ion Is first converted to dissotved ammonia (pH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove pelrcieum products such as benzene, toluene, and xylene;
(6) Carbon Regeneraliom 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 state of wastewater treatment designed to achieve 'secondary' effluent Ifrnks;
Centrifuge. A mechanical device in which centrifugal farce is used to separate solids from liquids or to separate liquids of diferent dens�fas;
;hemlcal Addition Systems- The addition of cherdlcal(s) to wastewater at an application point for purposes cf Improving solids removal, pH adjustment,
IInfty control, etc.; the capability to experiment with different chemicals and different application points to achieve a specific resuh will be considered one
,stem; the capability to add chomic.W(s) to dual units will be rated as one system; capability to add a chemical at a different application points for different
purposes will result In the systems befog rated as separate systems;
(tv; Chen -,'Cal C.udge Condh€oning. The addition of a chemical compound such as time, ferric chloride, or a polymer to wet sludge to coalesce the mass pnor to
Its application to a dewatering device;
(11) Closed Cycle Systems. Use of holding ponds or hoiding tanks for containment of wastewater containing inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operations. Such systems shall carry a maximum of two points regardtess of pumping facilities or any other appurtenances;
(12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nitrification- A single stage system required to achieve permit offluent limits on BOD
and ammonia nitrogen within the same biological reactor,
(13} Dechlorinallon. The partial or complete roduction of residual chloride In a liquid by any chemical or physical process;
(14) Denbrflication Process. The conversion of nhrale•nitrogen to nitrogen gas;
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