WQ0010583_Final Permit_19950413

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
April 13, 1995
Mr. Bruce Pratt, Director of Water Works
County of Davie
P.O. Box 1045
Mocksville, NC 27028
�EHNF=1
Subject: Permit No. WQ0010583
County of Davie
Land Application of Wastewater Residuals
Davie and Rowan Counties
Dear Mr. Pratt:
In accordance with your application received on February 3, 1995, we are forwarding herewith
Permit No. WQ0010583, dated April 13, 1995, to the County of Davie for the operation of a wastewater
residuals land application program. Please be advised that this permit is for site approval only and
therefore, no application of wastewater residuals may take place until such time as an amendment is
submitted and approved by the Division of Environmental Management.
The County of Davie chose not to submit any residuals analysis or data to demonstrate compliance
with metals limitations, pathogens, and vector attraction reduction. Therefore, the County of Davie must
submit a formal permit amendment request which includes data on the residuals for review and approval
p.dor to any land application on the sites included in this permit. The submittal package must include a
request for amendment from the County of Davie, an application fee, and the information required by Part
Ill, #4, 5, and 6 of this land application permit. These conditions include the 40 CFR 503 requirements
for meeting pathogen reduction and vector attraction reduction requirements, TCLP analysis, and a
residual analysis. Also the County of Davie must submit pathogen and vector attraction reduction
information requested in the Land Application of Residual Solids application form Part V, #1 and #2. The
application stated pathogen reduction will be met by aerobic digestion where residuals are agitated with air
or oxygen to maintain aerobic conditions for a mean cell residence time and temperature between 40 days
at 20°C and 60 days at 15°C. Vector attraction reduction will be met by aerobic digestion where the
specific oxygen uptake rate (SOUR) shall be equal to or less than 1.5 mg of oxygen per hour per gram of
total dry solids at 20°C. Data submitted shall show these pathogen and vector attraction reduction
requirements are being met. Upon approval of the request and receipt of an amendment to this permit from
the Division, the County of Davie may proceed with land application.
This permit shall be effective from the date of issuance until February 29, 2000, 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 system
for collecting and maintaining the required operational information will result in future compliance
problems.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% posi-consumer paper

If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this perm t. 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.Q. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Mr. Randy Kepler at
[phone], ext. 544.
Sincerely,
A. Pres rbHokwoard, r., P.E.
cc: Davie County Health Department
Rowan County Health Department
Environmental Waste Recycling, Inc.
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit

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
The County of Davie
Davie County
FOR THE
operation of a wastewater residuals land application program consisting of the application (only after a
formal permit amendment is approved) of approximately 60 dry tons per year of residuals from the Davie
County wastewater treatment facility once the additional approval from the Division is obtained to
approximately 177.2 acres of land in Davie and Rowan County with no discharge of wastes to the surface
waters, pursuant to the application received on February 3, 1995 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 February 29, 2000, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
The County of Davie must submit a formal permit amendment request which includes data
on the residuals for review and approval prior to any land application on the sites included
in this permit. The submittal package must include a request for amendment from the -
County of Davie, an`application fee, and the information required by Part III, #4, 5, and 6
of this land application permit. These conditions include the 40 CFR 503 requirements for
meeting pathogen reduction and vector attraction reduction requirements, TCLP analysis,
and a residual analysis. Also the County of Davie must submit pathogen and vector
attraction reduction information requested in the Land Application of Residual Solids
application form Part V, #1 and #2. The application stated pathogen reduction will be met
by aerobic digestion where residuals are agitated with air or oxygen to maintain aerobic
conditions for a mean cell residence time and temperature between 40 days at 20°C and 60
days at 15°C. Vector attraction reduction will be met by aerobic digestion where the
specific oxygen uptake rate (SOUR) shall be equal to or less than 1.5 mg of oxygen per
hour per gram of total dry solids at 20°C. Data submitted shall show these pathogen and
vector attraction reduction requirements are being met. Upon approval of the request and
receipt of an amendment to this permit from the Division, the County of Davie may proceed
with land application.

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.
3i. 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 I or Class II impounded 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,
f) 50 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 Iife 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 18% for
subsurface applications.
kA

11.
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.
OPERATION AND MAINTENANCE _REQUIREMENTS
1. The facilities and application sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover, as listed in condition 114, shall be maintained in accordance
with the crop management plan outlined by the local Extension Office of the Department of
Agriculture, or the Soil Conservation Service, or other agronomist, and approved by this
Division.
3. An acceptable pH must be maintained in the soil, residual and lime mixture, greater than
6.0, on all land application sites to insure optimum yield for the crop(s) specified below.
The agronomist shall provide information on the pH best suited for the specified crop and
the soil type.
0
The application rates shall not exceed the following for the specified crops:
Crop PAN (IbJacre,lyrj
Alfalfa
200
Bermuda Grass (Hay, Pasture)
220
Blue Grass
120
Corn (Grain)
160
Corn (Silage)
200
Cotton
70
Fescue
250
Forest (Hardwood & Softwood)
75
Milo
100
Small Grain ("Wheat, barley, oats)
100
Sorghum, Sudex (Pasture)
ISO
Sorghum, Sudex (Silage)
220
Soybeans
200
Timothy, Orchard, & Rye Grass
200
5. No residuals other than the following are hereby approved for land application in
accordance with this permit:
Permit Estimated
Source County Number Volume {dr tons/year)
ons/year)
County of Davie WWTP Davie NCO024872 60.0

The metal loading rates shall not exceed the following Cumulative Pollutant loading rates:
Kilograms Pounds
Parameters per Hectare per Acre
Arsenic
41
36
Cadmium
39
34
Chromium
3,000
2,677
Copper
1,500
1,338
Lead
300
267
Mercury
17
15
Molybdenum
----
----
Nickel
420
374
Selenium
100
89
Zinc
2,800
2,498
7. The pollutant concentrations in the residuals which will be applied to the land shall not
exceed the following Ceiling Concentrations (Dry Weight Basis):
Parameters_ _ _ mg/kg
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 (ORC) 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.
12. 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.
Li

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.
IS. 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.
18. 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.
LI1. MONITORING AND REPORTING REQUIREMENTS
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.
2. Proper records shall be maintained by the Permittee tracking all application activities.
These records shall include, but are not 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 kilograms/hectare
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
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 annually from the date of permit issuance by the
Pezmittee and the results maintained on file by the Permittee for a minimum of five years.
If land application occurs at a frequency less than annually, 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
Cadmium
Chromium
Copper
Lead
Mercury
Molybdenum
Nickel �.
Selenium
Zinc
Magnesium
Aluminum
Ammonia -Nitrogen
Calcium
Nitrate; -Nitrite Nitrogen
Total Solids
pH
Phosphorus
Plant Available Nitrogen (by calculation)
Potassium
Sodium
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 and submitted for approval prior to initiation of application of residuals. 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)
6

Cresol (200.0)
1,4-Dichlorobenzene (7.5)
1,1-Dichloroethylene (0.7)
Endrin (0.02)
Hexachlorobenzene (0.13)
Hexachloroethane (3.0)
Lindane (0.4)
Methoxychlor (10.0)
Nitrobenzene (2.0)
Pyridine (5.0)
Silver (5.0)
Toxaphene (0.5)
2,4,5-Tric hloro phenol (400.0)
2,4,5-TP (Silvex) (1.0)
2,4-D (10.0)
1,2-Dichloroethane (0.5)
2,4-Dinitrotoluene (0.13)
Heptachlor (and its hydroxide) (0.008)
Hexachloro-1,3-butadiene (0.5)
Lead (5.0)
Mercury (0.2)
Methyl ethyl ketone (200.0)
Pentachlorophenol (100.0)
Selenium (1.0)
Tetrachloroethylene (0.7)
Trichloroethylene (0.5)
2,4,6-Trichlorophenol (2.0)
Vinyl chloride (0.2)
6. All residuals included in this permit must be monitored annually, from the date of permit
issuance, for compliance with condition 111 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 annually by the proper authority or authorities if more than one is involved,
either the person who prepares the residuals, the person 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 1111, III 2, 1113, III 4, 1115 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 Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
S. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Off -ice, telephone
number 91-771-4600, 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.
V[

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,
IV. GROUNDWATER REQUIREMENTS
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.

VI.
GENERAL CONDITIONS
1.` 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 volume 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.
4. The following are approved sites for residuals application (see attached map(s)):
Application Area (acres]
Site No. Owner/Lessee (excluding buffers)
DC1-1
Nelson White/Fred Barbie
27.0
DC1-2
Nelson White/Fred Barbie
25.8
DC1-3
Nelson White/Fred Barbie
68.4
DC2-1
Cow Creek Rancb/Reznenchek
56.0
TOTAL AVAILABLE ACRES
177.2*
No application of residuals may take place on any of these sites until such
time as an amendment is approved by this Division to allow this
application.
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
tlt Division to initiate action to revoke this permit as specified by 15 NCAC 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
agencies (local, state, and federal) which have jurisdiction.
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 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.
9

10. This permit shall become voidable unless the agreements between the Permittee and the
lando,Aners/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.
Permit issued this the Thirteenth day of April, 1995
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
0 , , .� uo .qnzC'L� Z,
A. Preston ward, Jr., P.EA Director
Division of vironmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0010583
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RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
LTA
Owner or Contact Person:y LJ= �tz,o, ; ] tzGcc�� ti� �"� A T_c� wbQ.<S
Nailing Address: 90 SDI )045 f`'Iou5vNt_w ►`1 270%F)
Codnty: 'L��a-r.r: aN� t�W►.N Telephone: WA J G34 --5855
Present Classification: New Facility ): Existing Facility
NPDES Per. No. NC o Nondisc. Per, No\40IW-IEalth Dept, Per. NQ
Rated by: _Q _ _ Telephone: q.4-733-5D_;13 Date:.3.Z9
14
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone: .
ORC: Grade: Telephone;
Check Ciassificafion,$); Subsurface Spray Irrigation LandApplicalion '--,i
Wastewat-er Classification: (Circle One) 1 11 111 IV Total Points: ,3a App.
Sam- X
f. �\ . Yil L . ha ��i la i - J ! � w 1 - �. : ►l� � 7
• • :► . is _ _t ► a % .: 1f��1 � -- — �� _ _._ a •A_. _�.t �- i -- �
SU3SURFAG E CI_ASS:FY, ATKDN
(check all units that apply)
1, seplic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand fillers
5. grease irap!€nterceplor
6. oil/water separators
7. subsurface treatment and disposal
-------gravity
pressure
SPRAY IRRIGAMN CLASSIFICATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 ]
2.
lagocns
3,
septic tanks
4.
pump tanks
5.
pumps
6.
sand filters
7.
grease lrap(nlerceptor
8.
oillwaler separators
9.
disinfection
10.
chemical addition for
nutrienllalgae control
11.
spray irrigation at wastewater
Pretreatment of wastewater In excess of these components shall be rated using the pcinl rating
system end will require an operator with an appropriate dual certification,
LAND APPLICATfON/RESIDUALS CLASSIFICATION (Applies only to permi? holder)
'1�- Land appticalion of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FACILITY CIASSIFCATION
The following systems shall be assigned a Class l class;licalion, un_ 4ess the flow is of a significant quantity or the technology is
unusually complex, to require consideration by the Commission on a case -by -case basis: (Check if Appropriate)
1 Oil/wafer Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filler Systems consisling only of septic ranks, dosing apparatus, pumps,sand lillers, disinfection
and direct discharge;
3 Lagoon Systems consisting only of preliminary treatment, lac oni, pumps, disinfection, necessary chemical
treatment for algae or nutrient control, and duecl discharge;
4. Closed -loop Recycle Systems:
5. Groundwater Remedia(ion Systems consisting only of pumps, air -stripping, carbon adsorption, disinfection and
disposal;
6. Fish farms with discharge to surface waters:
T Water Plant sludge handling and bac4.-v;ash water treatment
6_ Seafood processing consisting of screening and disposal.
9 Single-family discharging systems with the exception of Aercaic Treatment Units, will be classified it permitted after
JLiy 1. 1993 or if upon inspection by the Division., it is lounc teal the sys€er; is not being adequa!ely opermed or
maintained. Such systems will be notified of the classilica: cn or reclassification by the Commission. in writing.

The following scale is used for rating wastewater ireatrrient facilities_ (circle appropriate
points)
ITEM POTIJTS
(1 } Industrial Preirea6ment Untis or Industrial Pretreatment Program (sea definillon No. 33)...................................................4
(2) DE nN FLOW OF PLAN IN gpd (not applicable :o non-contaminalad cooling waiors, sludge handing
faciiitios for water purification plants, totally closed cycle systems(&" doiinNion No. 11)• and Facilities ti
d conslstfng only of item (4)(d) or Items (d)(d) and (11)(d))
0 - 20,0oo................................................................................................................................................1
20.001 - 50.000.................._.............._......................._......................_......._............._.2
{ 50,001 - 100,000................................................... .........................................................._......................2
100,001 250,000................................................................................................................................... 4
250,001 - 500,000......................................................................................... ........................................ .5
500.D01 - 1.000,000................................_....................................._........................8
1,000,001 - 2,000.000.....................................................................................................................10
2,000,001 (and up) rats 1 point additional for each 200.000 gpd capacity up to a
maximum ot........................................................................3 0
Design Flow (gpd)
(3) PRELIMINARY UNrisrPROCESSES (see dotinitlon No.32)
(a) BwScneens...............................................................................................................................................7
or
(b) Mechanical Screens, Stalic Screens or Comminuling Devices...........................................................................2
(c) Grii RanxNal..........................................................................._..._.....................................................i
or
(d) Mechanical or Aerated Gra Remwal............................................_...............................................-................2
{e) FbwMeasuring Devico.............................................................................................................1
.....
or
(I) Instrumented Flow Moasurornonl................................................................................................................2
(91 Preaeralion...................... ........... ........................._...................................._................._....................._...._..2 (h) Influent Flow Eguagzallon...........................................................................................................................2
([) Grease or Oil Separators • Gravity.................................................................................................................2
Mechanica? .............................................................................................................................................3
DissolvedAir Flotation................................................................................................................................a
( I ) Prechlorinatlon .................................................................................................................................5
(4) PRIN.ARY TREATMENT LNUSrPROCESSES
(a} Septic Tank (see definition No. 43)..........................................._................_._......_......................................2
(b) Imholl Tank ......................................................... ...................................... .............................................. .5
(c) Primary Clariliers...............•--........__....................._......................_.................................................................5
(d) Sellfing Ponds or Sealing Tanks for Inorganic Non -toxic Materials (sludge handling facilities for
water purilication plants, sand, gravel, stone. and other mining opuralicns except recreational
activities such as gem or gold mining)........................................................................................................2
(5) SECONDARYTRJITMEW L N f5rPFOCESSES
(a) Carbonaceous Stage
(i) Aeration -High Purity Oxygen Syslom...............:.,.............................................................20
Diffused Air Syslam...............................
.............. ........... ............................................... 10
Mechanical Air System (fixed, floating or rotor) ................................................. .............8
Separate Sludge Reaeration............................................................................................3
(II) Trickling Filler
IHigh Rate .... ..................................... -.-........... ............ --....................................... ........ 7
StandardRate.........................................._•.._.._......................._.....................................3
IPacked Tower............................................................................. ............................... _.5
(iii) Biological AeraledFilter orAerated
Biological Fiber .............................................................................................................10
(Iv) Aerated Lagoons..........................................................................................................10
(v) Rotating Biological ConlacLors......................................................................................10
(vi) Sand Fillers -Intermittent biological.................................................._...............................2
Recirculatingbiological.....................................................................................................3
(vll) Stabilization Lagoons.....................................................................................................5
(viii) Clarifiar....................................................................................................................:ti....5
(ix] Single slags syslam for combined carbonaceous removal of BOO and nitrogenous
removal by rvtrilication (see doliniiian No. 12)(Poinls for this item have to be In
addition to Items (5)(a)(i) through (5)(a)(viil),
utilising the extended aeration process (see definition No.3a)...........................................2
utilizing other than The extended aeration process ...... ................................ ................ ......8
(x) Nutrient additions to enhance BOD removal......................................................................5
(xI) Biological Culture ('Super Sugs')addition........................................................................5
(b) Nitrogenous Stage
(I) Aeration - High Purity Oxygen System ............ ............... ................ ...........................
_...20
DiffusedAir System.......................................................................................................10
Mechanical Air System (fixed. floating or rolor)...................................................... I ... I ..... ._B
Separate Sludge Reaeralion............................................................................................3
(if) Trickling Filter -High Rare ...................................................... .............................................7
StandardPale ........................... ....................................... ........................................ .....5
Packed 'Tower.... ..................... .... —.— ......... ..........................................5
.......................
Biological Aerated Filler or Aerated Biological Filler.............................................................1 0
(Iv) Rotating Biological Conlactors....................................................................................„10
(v) Sand Filter - intermittent biological..........................................................................,........�
Recirculating biological ................................ ........................ .................
.._._.........,....... ..3
(vi) Clarilvr....................................... ,.......................... .................. ......... .... ---............ ......... 6
(sJ TER7ARYORAOvr,IJCEOTREATMBYTtA'fiSrPROCESSES
(a) Activated Carbon Beds
wi:'out carbon regeneration ....... ....... ...................................................................................... 5
wi:r. carbon rogeneralion.......................................................................................................15
(b) PowdsrodorGranular Activated Carbon Food-
w;:houl carbon regeneration...............................................................................................5
s.;th carbon regenoraion................ .......... .................................... ...................................... 15
(c) Air striaping.........................................................................._._...................... .....5
(d) Peaitriticai.on P:acoss... ,.............................. ...............,........_............._-............................ ................. ....10

(a)
Elecirodialysls............................................................................................................................................5
(l)
Foam Separation......................................................................................................................5
ig)
Ion Exchange.............................................................................................................................................5
(Yt)
Land Application of Treated Effluent (tea definition No. 22b) (rot applicable for sand.
gravel, &lone and other slrnllar mining operations) by high rasa Witoration......................................................4
(I)
MiCIOSCrGen&...... ...... ........... .............. :............................................... ..................................................5
(!7
P"harous Removal by Biological Processes (Sea dofini;ion No- 26)........... ;.............................................20
(k)
Polishing Ponds - without aeratlon............................................................................................................2
wishaoratton...............................................................................................5
(1)
Post Aeration - cascade ...... ...................................... .............. .:..................................... ............................
.o
V
diffused or mechanical ...................
...2
(m)
Reverse Osmosis........................................................................................,................................5
(n)
Sand or Mixed -Media Pikers - low rate...............................................................................................I..........2
. high rate......................................................................5
(o)
Treatment processes for removal of metal or cyanide...................................................................................1
5
(p)
treatment processes [or removal of toxic materials other than metal or cyanide .................. ............................
i 5
(7)
SLUMETREATNENT
(a)
Sludge Digestion Tank - Healed...............................................................................................................1
D
Aerobic 5
—
Unhealed 3
(b)
Sludge Stabilization (chemical or thermal)...................................................................................................
5
(c)
Sludge Drying Beds - Gravity.......................................................................................................I..............2
VacuumAssisted ............... ....................................-................-................................................
(d)
Sludge Elutriation...................................................................................................................:.................J5
(a)
Sludge Conditioner (chemical or thermal)....................................................................................................5
(1)
Sludge Thickener (gravity)........................................................................................................................-5
(g)
Dissolved Air Flotation Unh (not applicable to a unit rated as(3)(t])............................. ................................ a
(h)
Sludge Gas Utilization (including gas slorage).............................................................................................2
(1)
Sludge Holding Tank - Aerated.................................................................................................................1.5
Narraora(ed.............................................................................................................................................2
O)
Sludge lncinorafor (not Including adfvaled carbon regeneration) .... ...... ............................. ........ ................. to
(k)
Vacuum Fllier. Centrifuge, or Fifter Press or other similar dewaior(ng deYill...................................................10
(8)
RESIDUALS
UTILI7ATIC"DISPOSAL (including Inctnerated ash)
(a)
Lagoons ...................... ..................... ............ .................. ........................ ................... ................ I .......
I ...... 2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landlik operator who holds the, fard
application permit or landfill permit..............................................................................................................2
(c)
Dedicated Landlill(burial) by the permiuee of the wastewater Irsalmani facility, ..............................................
5
(9)
DSi\FE^TCN
(a)
Chlorination..............................................................................................................................................5
(b)
Dechlorination..........................................................................................................................................5
(c)
Ozone.....................................................................................................................................................5
(d)
Raciialion............:....................................................................................................................................5
(1 0)
CHFMICAL
ADDITION SYSTEM($) ( sae deliri'tion No. 9) (not applicable to Chemical additions rated as hem
(3)(j),
(5)(a)(xl), (6)(a), (6)(b), (7)(b), (7)(9). (ga), (9)(b) or (9)(c) 5 points each:
List.....................................................................................................................................5
............................................................................................... .. .............................
5
............................................................................................................................5
.......................................................................................................................
( 1 1 }
MtSCELLANECUS UN(TS PROCESSES
(a)
Holding Ponds, Holding Tanks or Sattlfng ponds for Organic or Toxic Materials including waslas
from mining operations containing nitrogen or phosphorus compounds in amounts signillcantly
gromor than Is common Ion 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..........................................................................................................................................I...........3
(6)
Siand.9y Power 5upply............................ ................. ............... -........ .............. ,....... ..... ...1...... ......... .--..
..... 3
(1)
Thermal Pollution Comrof Device................................................................................................................3
TOTAL POIKTS..........................................................................
CLASS IF1CAT K:)N
Mass 1................... .................5-25 Points
Class li................................................................................ .........................26-50 Points
Class lll......................................................................................I.................51-65 P: finis
ClassN.......................................................•-....---......----.---.........................66-Up Points
Facilities having a rating of one through lour points, inclusive, do not require a cenibod oporalor.
Facilities having an adivalad sludge process will be assigned a minimum classilicalior. of Class IL
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class 11,
Facilities having ifsaiment processes lar the biological removal of phosphorus will be assigned a minimum classification of Class Ill.
.o(>w DE RMTIONS
She Idfvving deliriians shwH apply, 1hioug6out dvs Subchapter.
(Ii Arovaled Carbon Bads. A physicalichamical rnathnd for rsdvcing soluble organic material trom wasNwaler olsvnl; The corurm-lypa beds Used in t is method will have
a lio« ra;e varying from Iwo to eight gallons per rsinula per square loo: and may b9 either upLovr or downfiow carbc- beds. Carbon may a may not be regenwaitd
waslewalor Ireshnanl plant sire;
(2f Aaralad Lagoms. A basin in which all dids art mievained in suipemip led by which pologrcal osidelion w organic tn&ttar Is reduced evough artificially acr�;•�atsd
vansiar of oxygen on a 11ovltrough basis;
(3) Aeration. A process of bringing about intimale contact boteean air or tigh pinny oxygen in a liquid by spraying, agitation or ditluston;(Sa) Ectmded Asration An
a:dvaled sludge procass utilising a rrinimurn hydraulic detention lime of 19 hours,
(x) Agrictllvally Managed sits. My s+le m which a crop is produced marvgad, and harvas:td (Crop imdudas grasses. grains. Seas alc_);
(5) Air Stepping. A process by which the immDnium im is Arst convened to dsWved a-,,, onia (pH adyvsmsanll wish Ise emmomi Ivan released to ava axmnsphace by
physical means; or olhar similar processaa which remove patrdeum prodacb such as bsnaena- toluene, and sylent;
(b) Carbon Rsgeneralon The legenwatian of-Ixhauslsd carbon by lM use of a rurrwce to provide ealranAy h'gh lenperalvas which vda8tita arsi oxidize the absorbed
pumas:
(l) Carbsraacoous Slaga. A stage 01 wastewater tvalment designed to scliove •saeondaryr afevonl 6mlcs;
(6) Cenl:iNgo. A machanicar device in which centrilugas force is usad 10 sepmale sor,ds from 6ysids or le sapegle tpuids of dilfwenl densiaes-
js) enerrticat Addsim Systems- The addlion el ehoG caq( ) to wallawalw it an a,•5sp'k4lion pc'n: lu purposes d: inn; o:-ire sdids foenovar• pit aElusimonl, alkalinity cc'Afol,
etc, I%�O sapabilrq 10 eaporirnenu with dilroront cherncals and cille,ow, apyicotion prints to achdevo a $Past newts will tap imstdured Ong system; IIA capabillry 10 add

chorrical(s) W dvnl unts will be rated es Or, system: eapablrily to add a tsan,'cd a, a dllororsl ap,iicadon points for ditfornnl Purposes s- rasutl In ctia systems baing
r.alod at sapara:o s,vsterns:
(to) Gwmeal Sludge Gondaenrvg. True ad:.:en ci a eherrieal eorepota-ad wch is lima, [aerie ehlorida, a a polymer to w9t aAu.' ,i to eoalrsra Che mass prior to its
■ppfiasfon to a dewataring d—ica;
(sl) Closed Cycle Syslgms. Use of holdr.s cv'sds or holdng larics ]of can;Anman: of waslewater contairing Inotgaric, nas•Ioxlc ma:wia!t ^tin sand, gravo:, cruslwd
slorw or other similar operate-. Stash sys lr-.s shall carry.a maxin-r.rm or hvo puffs :agardlass of pumping facilities ce any oriec eppune^�r,_es-
(12) Combined Removal of Carbo73teatrs S: 3 ar.3 Witrogersous Ronrsaval by Hitrific.6w, A single stage system rarsirod to :chars pemhit ;; .,wonl limits on SOD and
atnrmxda riu'ogon within the same biofojka::sscicr;
(m) DecNocinellon, The partial or conhpiatr fcdsction of rosidcral cHorino, In a liquid by any chemical or physical procors;
(j,f) Dpribification f rr_vcs. ino corNvsaor. of nitrate -nitrogen to rilrogsn gas; `
(15) Eleclrodielyslc. Process ice removirq lohlzsd salts from water 1fYough the usi of lorrseiectivo ion -exchange membranes:
fiq n€iar Press, A p(opess opofatad n-Aear'lcally fux'partfally dewatafing siudga;
s Foam SeparaBon. -Vna plamed Fotlin; of waslewatar or woslswaloe afljuanl as s nwarts of removing excessive erriounts of delo(gon materials through the
.�duclion of air In the form of fine bubbles: also called Ieam tractiorta Don;
8) Grit Rwmowal. The process of tomovin; grit and olhwr )wavy rrinord mentor horn wastewater;
.9) Irrholl Tank. A deep two story waslar•alor lank consisting of an appw sedimentation chamyer and a lower dudga digattion chamber:.
(20) €fxlnrrrwnlod_lavr Mstai remont. A dr•:co wNch indicates and records rate of pow;
(21) Ion Exchange. A chemical process In h-tich lorss from two dllerent rnascais erg gxcisanged;
(22) Iand.applicat€on:
(a) Sludge Disposal. A final sludo dis'_sal method by which will sludge may be applied to [arid either by spraying on Use suxlaco or by subsurface Irjection (i.e.,
ctiset plow); [rot applicable for types o! sludge described In (11) of this Rtls);
(b) Troalod Ellltronl Tha pirocess of ip•aying treated wastowalgr onto a land area or oshw rrwthods of applica €ion of wastewater onto a fend area as a maarn of brsaJ
disposal Or €reahmnl:
(23) l.ticroscreen. A low speed, continuously back -washed, rotating drtrn filter operating tinder gravity conditions as a pdisKng mer4od tot rer'nnving suspended solids
from sinuonl;
(24) Hjuilicaion Process. -the biochemical c^svefsion o[ unoxidzed rtVogrn (amm-chfa and oegarc riliogon) to oxidized ribogsn )usually nitrale);
(25) Ni%evgonous Stage. A separate stage of Waclewalwc trailtrnenl dosignad for the sp.acilio pc.rposa of convorting ammoria ritrogen to nitrate_ nitrogen;
(26) Phosphate Removal, Hiological. The re -:oval al phosphorus from wasliwalor try in ocic/amxlc process designed to enhance luxury uptake of phosphorus by the
micaorgantsma:
(27) Pe4isHn9 Pond. A holding pond folfo,vir•; secondary treatment with sul6ciem delontiorh time to allow settling of linery suspended solidi:
(28) Post Aerations. Aeration following eorwv lsforsal secondary trealmersl twits to fnzgasa alfluonl D.D. of liar any other purpose;
(29) Post Aeration, (Cascade) A polishing method by which d€ssolved oxygen is added to the ef8uorst by a norrrhauharical, gravil means el flowing down a series of
slept or weirs; The flow ocaxring across r� slaps err weirs mavgs in a rainy gin layor and the operation of the cascade rvgaira3 no operator adyustrrlgnl; tuts, zero
points erg assigned even horsy) tNt Is an essential step 10 meeting IM tirriu at Uhe discharge parmil:
(30) Powdafed to GrarsUar Aclivaled Carbo, =eed. A biophysical carbon process that utifiies biological activity and Organic absorption by using powdefed or g'uralar
aetiviled carbon; Virgin or faganeraud cafz Ors is food controlled inln tea system;
(31) PreaeraLion. A tank corotrucled to pfo•'di 2erzlion prior to primary trosswNisl;
(32) Preliminary Urils. Unit mentions in VW treatment process, such as scroining and comminution, that prepare IN liquor to( subsequsnl major operations;
(33) Indtsbiat Preltezlment.
(a) Pre-ugabnenl Ur4f, Industrial. Thu ccndiiofing of a waste at its source bilore daaharge, to temove or to nautrafize subslances lniusious to sewers and troatrraeeil
processes or to effect A partial reduction in load on the treatrnartt process which Is operated by tie some governing body as the wastewater treatment plznl being
rased;
b) Pre-traalmhenl Program, €.nduslrial • mart,: be a Slate or EPA roquisod program to receive points on the rating shoal;
(34) Primary Gzribers. The its; selsfing 12:i-s 11yough wNch wastewater is passed in a treatrnartt works lot the purpose of far„sing seldaablo and suspended solids and
SOD which Is associalad with Cho solids;
(35) PLmps- All Inpugrd, alnisenl and Irrpiznr ruxrlps:
(36) Radation. Dis€nlection or sterilization p'xess utifi2ing devices attiring ultraviolet or gamma rays;
t37) Reverse Osmosis. A treainseny process n which a heavy conlafrinaled liquid is presstxizsd 11rough a mambrane lone€ng neariy pure IigLid free from suspended soots;
(38) Routing Nological Contractors- A fixer: 30ological growth process in which waslowaler rows through tanks in which a series 01 partially subrraorged circular surfaces
are rotaled;
(39) Sand Fillers:
(a) InlernttlerA Sieiogical. Filtration of erruenl following septic tanks, lagoons, or some other lraalnsenl process in wh3ch Iurt*r Nodixorrposllion 1s expected to
predlco desired elllugnts: Hydraulic loading rates on these rillefs are conpJtad In gpolac and have a raselting low gpmVsf (loss than orA):
b) Reeircuiating biological -Cur same lypr of sand Etter as dolined In 50bpat2graph (39) (a) of lhis Ruin with srta added capability Io locyefe affluent back. trough Iho
and filial: _
Sand or FAisad-Media Filters- A polishinr_ process by which ef8uenl lirrfts are achiavod through a kXther retraction of suspended solids;
a) lour rate -• gravity, hy&auficzffy loadoc lillw wish loading rates In Iho one to three gpnfsf range:
tb) high raja -- a p:assuxe, hydraulically leaded filter with loading rates in ho five 9;saVsl range; Al any rate, the loading We will exceed three gpnhrsi:
(A 1) Secondary Clarifiers. A tar;C Which fd€owns the biological Lail of Ireatrnml plain and which has no purpose of removing slvd9as assooilled wiO Lha biological
Ireaunenl units;
(42) Separale Sludge Reaeratiors, A part of nil contact sWUlization process where the atdvalad sludge is Iransloned to a Lank and aerated before returring i; to the
comlacl basin;
(43) Sapllc Tank. A singia•slory settling lank in which sottlad sludge is in conLaci with tl1,7 waslwvaler hotting through the Lank: shalt not t-r appiicablo lot septic lank
syslams serving slngio (artily tosidencos N%;Mg capacity of 2,000 gallons cc less which discharge to a ritrihcation hold;
({i) Sludge Dsgeslion. The pfr,:ass by wh'r}- organc or volatile matter end sludga Is gasified, liqurefied, rrine<alized Or converled into more stabs organic math+ trough
the activity of living organisms, which Includes aetaled hblding lanks:
(is) Sludge Drying Beds. An area comprising naltrzl or artihclal layers of poecus materials upon which digested sewage sludge is dried by drainage and evaporation; ..
(46) S€udgo Elutriation. A pc-tss of sludge condioring In which certain corxsituenis are removed by sarccessive washings With fresh waist or plant etf[uenl;
(47) Sludge Gas Utiiizalioch. The process of vsing sewage gas for the puposs of heating building:, driving engines, etc.:
(48) Sludge Holding Tani (.A.srated and Nona+tolled)- A larsk tftifized for smaH wastewater Vealmanl plants not conLairing a dgeslar in wNch sludge may be kept hash,
and supernatant will'idtawn prior to a drying silted (i.e. sludge drying bads): This may be done by adding a small amoussl of air singly to keep rw sludge Itesh. but not
nocassardy an`arnounl net world be required so :stew stab%lization of crgaric matter. A nonaeralod lams would simply be used to decarhl smudge plot to dirNzieong and
would not allow long per[ods (severe; days of dgtention) wilhout fesUlirg ode' pobtjlms:
(49) Studgo tocinafalgs. A trnacg designed to bum sludge and to ramaeg all masly it and cornbtJsSblo materiels and roduce the sludge to a slarila ash'
(50) Sludge Stabilization (Crwn;al or Thermal). A process to ma'r,e troaed sludge less V✓wous and pWroscibla, and to ioduce tea palhoganic orgarism content: This may
l» done by pH adjosbnenl, ch'oArso dosing• o' by heal treatment;
(51) Sludge Thickener. A lypa of sodime ntaa^vn Link In which the sludge is pe:risted to sellle and thicken though agitation aril gravity:
(52) Sla Nlizalion tegoon. A type of oxidalivr: {agoon in which biological asidaliprl of organic matter is effected by natural translar of oxygcrh to Ihw water from air (not a
polishing pond);
(53) SraM-Sr Parrar Supply. Gh silo or porlibla sioctrica€ gonorsting sgtiprst;n%
(5•4) Static Su6ons. A slalimary screen das; greed to remove solids, includng non -biodegradable parliculzta (Aoalatila solids, suspendod so5ds and BOO roduc Gars) from
municipal and indvs7ial waste-algt leoatrnerl sys:erns:
(55) Tertiary Troa7nonl. A slags of trealman: following secondary wfich is prrm2rlly for cng ptpose or 4111vont pa'rsNrsg: A sariing lagoon a• sand or coal )lief r:ighl be
onp74oyod for this purpose;
(56) Thosrnal Pdlulioh Conlrof pavica. A dav:ce posdding for the trans![, of h:at horn a Luid flowing in k.bos to anodher and o.dside rho Ithos, of vita versa: w other
mo^ns of fagviating ligr'sd lamocnasuras•
(57) Thermal Slvdgo Cand liclor. A condtionr,g process by which heat is A&!es: lot a plot<acled period oT lime to improve Iho davralaraba;ly of sludge by the ir:wN;izing
and hydrauizing of the smatlot and mtxo high; hfdralad sludge parlides;
(SO) Toxic Malarials. Those )tastes or wil-6-ations of waslai. 1r .IWirg diseasa-causirri aganls which allot dschargo and upon oxposvto, iNeslion inhalalian a
assinilalion €nic any otgarrim either d4ac3y ram Clo unvirorman: or indfgcdry by irsgesllcn dhiotio food chains. +.'ill cause doalih_ dsoxso, behavioral abnorma]u Etas
cantor, gano;ic mula!ions, physidagica: matinsDons (irtclud.rtg malturscpans in fe-e-rodtr.00n) of physical dolofmadc,-s. In such ogarisms of :hair ollspring; Toxic malerials
include by way of illuslratiar. and rwhl linilat'c,- lead, cadnium, drromium, mprcvey, vanzdum, arsaric, zinc, orna-r:lro-cliorobon+ona (ONCE). polychlorinated b;ltwnyls
(PC3s) and dchtotodphonyl trcYaroothano (CDT1: and any Other malcil t^at hava or rsay heroallof be dolormn-%d to have toxic poporGos.
(591 TriCWirhg Fdls•r, A ls:Otuy:ca: uoaltnanl ur. canzisting of a material such :s h'okgn sane of eotV. over which washo•vasw A Cisgibulod, /. Kgh :.-.:a InckFrhg I:II.' is or.)
which opwalod at W,.gnn 1C and 30 met p," a_te, A lair rato tricljin3 Wtcr is P14 hvrrtlt ;s dosig-sod to o�horajr m orq to lots nr;d (tar acre;
(col) Tiics.rlrho I=,:!err (Pac).ud Teti,) A. plug trw ;iio of oporation in vAich wzs:ew•aiai :1,• s down turd gh succri sivo layots at moda or r«:ale material: CAgi'.c malr­al
's n-aY contiraratiy by tlti tct o 6iNd =tea: shad growal in oath suecns.. i2yor, T:;: Method rhay p:od"a 'sece�hdary''gt:ahy a!9vo.t, cc Huey be eda;r!?C to
e ritriried
hcs,.ahs t•�- r, Cun;:ifv;r s- to rdlor Pressaa Do -.=cos wl4ch are i-tag' :a tarn.:.; ^ado:: h•:a:ar Irons m'+„ tkge:Iad c- s••c:gaslud :'..dye prior 10 '3sr•.c:21 or
' 31Ualr r'.e:tl