WQ0004825_Final Permit_19940930

�ato 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
September 30, 1994
Mr. Richard D. Hardin, City Manager
City of Randleman
101 Hilliary Street
Randleman, North Carolina 27317
1:3EHNF4
Subject: Permit No. WQ0004825
City of Randleman
Land Application of Wastewater Residuals
Randolph County
Dear Mr. Hardin:
In accordance with your application received on July 18, 1994, we are forwarding herewith Permit
No. WQ0004825 dated September 30, 1994, to the City of Randleman for the operation of a wastewater
residuals land application program. This permit modification is to authorize an additional 117.0 acres of
new land application sites (a new total of 231.2 acres). Please note that the proposed Winnie Henshaw site
No. 05-01 (9.5 acres) cannot be approved because it is located in the critical area of a WS I watershed.
'This permit shall be effective from the date of issuance until May 31, 1996, 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. issuance of this
permit hereby voids Permit No- WQ0004825 issued May 31, 1991.
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 permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Mr. John Seymour at
[phone]..
Sincerely,
A. Pres Howard, Jr., P.E.
cc: Randolph County Health Department
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Jack Floyd, Groundwater Section, Central Office
Training and Certification Unit
Ailities Assesss�mment Unit
50 _ ANC
��010
P.O. Box 29535, Raleigh, NorthCarolina 27626-0535 Telephone [phone] FAX [phone]
An Equal opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

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
City of Randleman
Randolph County
FOR THE
operation of a wastewater residuals land application program consisting of the application of approximately
300 dry tons per year of residuals from the City of Randleman wastewater treatment facility and water
treatment plant (46 dry tons) to approximately 231.2 acres of land in Randolph County with no discharge
of wastes to the surface waters, pursuant to the application received on June 18, 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 May 31, 1996, 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 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 site so that an inspection
can be made of the application sites and application method. Such notification to the
regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00
p.m. on Monday through Friday, excluding State Holidays. In addition, the Randolph
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 I or Class 11 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) 100 feet from property lines for both surface and subsurface application methods;
g) 50 feet from public right of ways for both application methods, 7
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 18% 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. The following
water treatment plant facility is exempt from this condition because there are no domestic
contrubution present in the residuals:
City of Randleman Water Treatment Plant
11. OPERATIQN AND MAINTENANCE REQUIREMENTS
The facilities and application sites shall be properly maintained and operated at all times.
2

2. A suitable vegetative- cover, as listed in condition Il 4, 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.
4. The application rates shall not exceed the following for the specified crops:
Crop PAN f lb./acre/ r.
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)
180
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 (dry ton ar
City of Randleman Randolph NCO025445 254
Wastewater Treatment Facility
City of Randleman Randolph 446
Water Treatment Plant
300 total
6. The metal loading rates shall not exceed the following Cumulative Pollutant loading rates:
Kilograms Pounds
Parameter. 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
3

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.
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 saow-
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.
4

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 sail.
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.
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
R

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 Lead Nickel
Cadmium Mercury Selenium
Chromium Molybdenum
4. A residuals analysis will be conducted annually 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 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
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
TIN
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)
Hexachloro benzene (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)
Trichloroethylerre (0.5)
2,4,5-Trichloropherwi (400.0)
2,4,6-Trichlorophonoll (2.0)
2,4,5-TP (Silvex) (1.0)
Vinyl chloride (0.2)
6

6. All residuals included in this permit must be monitored annually, from the date of permit
issuance, for compliance with condition 1.11 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 III 1, 1112, IlI 3,1114, 11I 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 Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
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.
7

IV. GROUNDWATER REQUIREMENTS
1. 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 sunnmary 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
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)
01-01
Kathleen Lineberry/ Odell Routh
11.5
01-02
Kathleen Lineberry/ Odell Routh
8.5
01-03
Kathleen Lineberry/ Odell Routh
8.5
01-04
Kathleen Lineberry/ Odell Routh
8.5
01-05
Kathleen Lineberry/ Odell Routh
8.5
01-06
Kathleen Lineberry/ Odell Routh
8.1
02-01
Kathleen Lineberry/ Odell Routh
9.2
02-02
Kathleen Lineberry/ Odell Routh
8.5
02-03
Kathleen Lineberry/ Odell Routh
8.5
02-04
Kathleen Lineberry/ Odell Routh
8.5
02-05
Kathleen Lineberry/ Odell Routh
8.8
02-06
Kathleen Lineberry/ Odell Routh
8.5
02-07
Kathleen Lineberry/ Odell Routh
8.6
03-01
Gene Hiatt
4.0
03-02
Gene Hiatt
9.0
03-03
Gene Hiatt
9.0
03-04
Gene Hiatt
7.0
03-05
Gene Hiatt
8.0
04-01
N. Leslie Lowe
14.0
06-01
E. L. Allred/ Billy Whitaker
12.0
06-02
E. L. Allred/ Billy Whitaker
7.5
07-01
Almana Kime
10.5
08-03
Doris Kirkman/ Billy Whitaker
6.5
09-01
Billy Whitaker
4.0
09-02
Billy Whitaker
11.5
10-01
H. G. Meyers/ N. Leslie Lowe
14.0
TOTAL AVAILABLE ACRES
231.2
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 caul,
the Division to initiate action to revoke this permit as specified by 15 NCAC 29 .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.
9

8. 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.
10. This permit shall become voidable unless the agreements between the Permitter: 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. WQ0004825 issued May 31, 1991.
Permit issued this the 30th day of September, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston 14oward, Jr., P.., Director
Division of nvironrnental Management
By Authority of the Environmental Management Commission
Permit No. WQ000482S

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Nn.mP 'nf Facility- C I ' `v a'T ILcf vi die &t, L►
Owner or Contact Person; Inv, &c An ro( Q, & v dt'.i Mg oaP
Mailing „Address: _/o l . Y; JI ia�K fit � 7hiJ_e&aii_,��.
County:..l aK f� le �► Telephone:
Present Classification: New Facility Existing Facilityy
NPDES Per. No. NC00 Nondisc, Per. No. ' xvysrzsHealth Dept. Per. 'NQ
Rated by. S�,uw:rlr —Telephone: Date:•
Reviewed by: Health Dept. Telephone:
RegicnalOffice Telephone:
Central Office . Telephone:
ORC: Grade: Telephone;
Check Classification(s): Subsurface Spray Irrigation LandApplication J/
Wastewater Classification: (Circle One) I II Ill. IV Total Points:
• p / •
►� � �\. / 1 : ii � 1 /�. � ��.: /! 's Iwo � i :. r : �a�\ ,: a i� � w \ta '� �►. `l ► -
•A • j1. w\ta :►/ ii. (R \1 w i., 1.�\ ► :i a�' i�►. . :-, �. i 1.
SUBSURFACE CLASSIF1CATiON
(check all units [hat apply)
I. -septic tanks
2- pump tanks
3. siphon or pump -dosing systems
4. sand filters
5. grease lrap(nlerceptor
S. oil/water separators
7. subsurface lrealment and disposal
gravity
pressure
SPRAY IRRIGATI)i CLASSIFICATION
(cheer, all units that apply)
i.
preliminary treatment (definition no. 32 )
2:
lagoons .
3.
septic tanks
4.
pump tanks
5.
pumps
6-
sand filters
7.
grease lrapinlerceptor
8.
cillwaler separators
9.
disinfection
10,
chemical addition for
nulrieni/algae control
11.
spray irrigation of wastewater
Pretreatment of wastewater in excess of ..these components shall be rated using the point rating
system and will require an operator with an appropriate duel certification.
LAND APPLICATIONIRESIDUALS CLASSIFICATION (Applies only to permit holder)
1, _4o< Land application of biosolids, residuals or contaminated soils on a designated site,
WASTEWATER TREATMENT FACILITY CLASSIFICATK)N
The following systems shall be assigned a Class I classification, unless the flow is of a significant quantity or the technology is
unusually complex, to require consideralion by the Commission on a case -by -case basis: -(Check if Appropriate)
1 Oillwater Separator Systems consisting only of physical separalioi , pumps and disposal;
2- Septic Tank/Sand Filler Systems consisling only of septic tanks, dosing apparatus, pumps,sand litters, disinfection
and direct discharge;
3_- Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical
Irealment for algae or nutrient control, and direct discharge.
4 Closed -loop Recycle Systems;
5. Groundwater Remedialion Systems consisting only of pumps, air -stripping, carbon adsorption, disinlection and
disposal:
6r Fish farms with discharge to suriace waters;
7. Water Plant sludge handling and back -wash water Irealment;
8. Sealood processing consisting of screening and disposal.
9. Single -ramify discharging systems wish the exception of Aerobic-Treatmenl Units, will be classified it permilled alter
July 1 ,.1993 or it upon inspection by the Division, it is, found that the system is not being adequately operated or
m,:tinlained. Such systems will be notified of the classificaiion or, reclassification by the Commission. -in writing-

The following scale is used for rating wastewater treatment facilities: (circle appropriate
points)
ITEM
POINTS
( 1)
Industrial Pretreatment Units or Indus dal:Pretroalmenl Program (sae definition No. 33).....................................
.......... _A
(2)
DF: GN
FLOW OF PLANT IN gpd fmi applicable to non -contaminated cooling wafers, sludge handling
tautlities
for water purificapon plants, lotally'ciosed cycle syt: esris(see dolinhlon No_ 11). and facilities
consisting only of Liam (4)(d) or Items (4)(d)'and. (11)(d)}
_-...
a..:20,000............................................................... ................. .................................................................I
:.
20.001 - 50,000.::..........:..'.:.....:.......................................................:..:.::...................... _.....:
..•....•..2
56.001 •....100A00....................-•......... ...........................
..... .....3
=-. taa,00t s-.zso,00g.......:.......... :.
............................ .................. ............I...... ..... ...... .......
..... 4
250,001 500,000.............. ....................................................... ....... ........... ...............................
............ 5
500,001 1, 000, 000...... •::.:............:..........•........:.............................:..............:.............. ............
............
1,000,00I - 2.G00,000.............I....
2,000.001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a
maximumof........................................................................30
Design Flow (gpd) ' , ..... _...,
(3)
PRELIMINARY UNIT'-' VPROCESSES (sea derinhlon No.32)
.(a)
::
Bar Screens ....................................... ..... ........
.1
or
(b)
Mechanlcal'Screens, Static Screens or Comminuling Devices.......................•....,,..,...........•..............•........•..„.2
(o)
Gfi Rernoval.............................. ............... ................................ ............. ....... ........... ... ............ ............
......t
or
(d)
Mechanical orAerated GA Removal.............................................................•..._...........................................2
('a)
FbwMeasuring Devlce........... .:........................................................... ........................................ •
...... ., •....i
'or
(f)
instrumented Flow Measurement.......................................................... ........................... :..................
........2
(9}
Praaarallon...........:.:..........:...._...................:........................................::...................................................2
_
(h)
Influent Flow Equalization .............. ............................. ._.:............................ ............ ......... .............. .....
......... 2
(()
Grease or Oil Separators • Gravity.. ................................. ___ .... .................................................. ......
........ 2
Mechanical........................................... ............ .........................................................................................
:3
DissolvedAir Flotation ................................. :........................... ................................ ................. I .......
.......... 0
(I)
Prechlorinallon........................................... ...............................................................................................
5
(4)
P€ I"R7Y TREATMENT UgrTWRDCESSES '' *
(a)
Septic Tank (see definition No. 43)............................................................... .............................................2
(b)
Imholf Tank.,....... ............. ................. ____ ......................................................... ........... ­­ ......
* ­ ....... 5
( c )
Primary Clariflars..........................................................................•............•.................................•.•........••....5
(d)
Settling Ponds or Sorling Tanks for Inorganic Non -toxic Materials (sludge handling facilities (or
water purillcalion plants, sand, gravel, stone• and other mining operations except recreational
activities such as gem or gold mining)........................................................................................................2
(5)
SECONDARYTREATM&ITUgfrS,?PoOCESSES
(a)
Carbonaceous Stage
(i) Aeration -High Purity Oxygen System ............................................................................... 20
DiffusedAir System ........................................................................ ...............................10
Mechanical Alf System (fixed, floating or rolar)..................................................................8
Separate Sludge Reaerai€on.................•...........................................................................3
(11) T6cklingFiaer
HighRzte.......................................................................................................................7
StandardRate...:............................................................................................................5
Packed Tower .............................•----.. ...........
5
(iii) Biological As rated Filler or As rated
BiologicalRher.............................................................................................................1
0
(iv) Aerated Lagoons._. ......................................................................•...................1..........10
(v) Rotating Biological Conlaclors.........................................................I............................10
(vi) Sand Filters-Inlarmalem biological..................................................................................2
Recirculating biological.....................................................................................................3
(vii) Siabilizaibn Lagoons .... ......... .................... ................. :.............. ....... ........ ....
...... ........5
{viii) Clariror........................................................................_...................._.............................5
(ix). Single stage system for combined carbonaceous removal of BOO and nitrogenous
removal by nitrification (see definition No, 12)(Poinls tar this hem have to be In
addition io Rams (5)(a)(i) through
utilizing the extended aeration process (sae definition ND-3a)...........................................2
utilizing other than the extended aeration process............................................................8
00 Nutrient addtions to enhance BOD removal......................................................................5
(xi) Biological Culture ('Super $ugs')addition........................................ .................................
5
(b}
Nitrogenous Stage
(€) Aeration . High Purity Oxygen System ........... ........................................................
......... 20
DiitusedAirSystem................................:................I............................. •---------.............10
Mechanical Air System (fixed, floating or rotor) .................................... ....... ,......................
.8
Separate Sludge Reaeralion..................:...................................................
(ii) Trickling Fitter -High Raie.......:.....:........ .---------------------------------------- ....... ........ ............. :.......7
_
SlandardRale...... ............... .._......................... ..............................................................
Packed Tower ................. ........................................... ............................. :..................
.....5
(ii't) Biological Aerated Filter or Aerated Biological Filter ... .............................. ..............
............. 10
[iv) Rotating Biological Conlaclors......... :......... .............. ........................•........................
I --- 10
tv) Sand Filter • intermitiont biological .............. _ .........
....2
Recirculating biological.....- - ...... .............................................................................._-...I
(vi) Clarifier................................:......:.::..:............................................................................5
{6)
TERTIARY
OR ADVANCED TREATMENT NT I t lrisrPROCESSES
(a)
Aai.•atad Cation Beds -
wilhovt carbon reganeralion......................................................................I....•.:......................5
with carbon ragenarailon.:....::...:...:................. ............... .::........ ............ ..........................
...15
(ty )'
Powdered or Granular Activated Carbon Feed -
Without carbon, ragonaration.--.............................. .............'..............................................
with carbon regeneration ................. .:........:...................... ......................... ........... ..._.....
...... 75
Air.stripping............... ........... ....... .'....:
5
0eniialicationProcess ............ r,., ..................................... _..-..----...-..-..........-............ ,............ ..............
In

(0)
FlocifodialysIs ..................................................................... .................. 7 ............... .................. : ........._.._....5
(1)
Foam Sopa:ra.IIon ... ................................................................................................................. - ... 1 ........ -5
(g)
Eon Exchange ........................... I .................................................................................. :. .................. '7
(h)
Land Application of 'TroatolzS E;(IuGnt (see definition No. 22b) (nil applicable for sand,
gravel, slone and other similar mining operations) by high rate Irillirition ................................... .......
Mic(oscroonr ................. ................................................................. ; ..................................... .......... 77 ...... 5
0)
Phosphorous Removal by Biological Processes (See definition No, 26): ....... .................. ........... L
N
Polishing Ponds -without aeration ............. ....... ........... ......... ....... .................... 2
wllhaerallon ............................. ........................... I ................ ...........
(1)
Post Aeration --cascado ......................................... . .......................... ............ ...........
diffused of mechanical .......... ................... ...........................I................. 2
(M)
Reverse Osmosis....... I ........ ..............................
�n)
.......... .................................. ........ . ....... 2 Sand at Mix i.'�
ed-Medla. Phers rate ......... ............... -
high Cato .......... .........
(o
Treatment processes for removal of metal or cyanide ................ ............. ..........................................
(p)
treatment processes for removal of toxic materials other than metal or cyanide .... ......................................... AS
(7)
SWD3ETFIEATMBqT .- i ' - � r' .. �- - - L -, . - - - .:: - -
(a)
Sludge Digestion Tank- Healed ..................................... ....................................... I ........... ;.. ' . to,: -
Unheated 3
(b)
Sludge Stabilization (chemical or ihernla)) .................................. .............. I ............ I ....... ....... .............
-(c)
Sludge Drying Reds - Gravity....._....: .... ;.- .............................................................. ............. ........
VacuumAssisted ............................. ................... * ................. .......................... ................. 5
(d)
...... * ................................ *",-*",,** ................
Sludge Elutria(lon ...... ; .......................................... .5
(a)
Sludge Conditioner (chemical or thermal) ............ .................. .................... ........
(1)
Sludge Thickener (gravily) ......................................................................................... . ..............................
(g)
Dissolved Air Flotation Unit (nGI applicable to a unit rated as (3)(ij) ............... ............... : ...............
N
Sludge -Gas Utilization (including gas storage).._....:.....:..._.: ... ............... ............ I ...... ......................
(1)
Sludge. H61ding -Tank - Aerated ...... ... :- ............................................. 1 ............................ ............................ 5
Non-aorai,ed..... ...................................................... I .................................. : ................................. I ............. 2
Sludge Incinefalur (not Including activated carbon regeneration) .................................. .............................. 10
N
Vacuum Filter. Cenlrilvge. or Filter Press or other similar ciewatering devices ...................................................10
(13)
RESIDUALS 11ri'll-12ATION/DISPOSAL. (including Incinerated ash)
(a)
Lagoons .......................................................................................................... ....................................... 2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who hoids the land
applicaflonpermit or landfill permit..........._ ................................ ...... .......... ......... ....................................
(C)
Dodicaked Landfill(burial) by the parmillaa of the wastewater treatment facility ............................................... 5
(9)
DIStFECTEN
(a)
Chlorinalloil .......... ...................... ........ ....... ....................................:........:,..:.....5
(b)
DochlorinafiGn ....................................................................................................................... : ................... 5
(c)
Ozone.......,.... ...... .............................. 7" ................... ................ - -: ....................... `--.- -5
(d)
Radiation ..................... ..................... ........... ............. .......................................................................... -5
(lo)
CHEMICAL
ADDITION SYSTEM(S) ( sea definition No. 9) (W applicable to chemical additions ratted as liern
(5)(a)(xl). (6)(a). (6)(b), (7)(b). (7)(e), (9a). (9)(b) or (9)(c) 5 points each:
List...................................................................................................................................
5
..............................I............_._.... -------......._...._.....----............_.................5
.
.............................................................. : ............................................. I .................
........................... ............. . ....................................................................... 5
WSCELLANECOS UNITS/PROCESSES
(a)
Holding Ponds, Holding Tanks or Sealing Ponds for Organic or Toxic Materials Including wastes
from mining operations containing nitrogen or phosphorus compounds in amounts significarrily
groalar than Is common for domestic wastewater ................. ...... ..................................... ....................... 4
(b)
Effluent Flow Equalization (not applicable to storage basins which are Inherent. in land application
systems) ............................................................................................................................ .. . ....... ......
(c)
Stage Discharge (not applicable to storage basins inherent In land application systems) ..................................5
(d)
Pumps ............................. ....................... _- ............................................................................................ 3
(a)
Sland-By Power Supply ......... .......... - ....... ........................................................................................ n
(1)
Thermal Pollution Control Device ..................... ...... ........ .......................................................................... -3
TOTAL POINTS -
CLASSIFr-ATCN
classI ............. * ... * . - ... *"* ................ ............................................................. 5-25 Points
GlassII..........: -'- ................... ............... I ...... I ...... -, .................................. 26-50 Points
classIll.- .............................................................. * ....... I ............ - ............... 51-65 Points
CLLSSfV' . ....... 11- ......................................................... .............. 11- ...... ....... 66-up PoInis
Fadl.;as having a rating ol one through four points, Inclusive, do not require a cortried operator.
Facili;iss having an activated sludge process wig be assigned a minimum classification of Class 11,
Faciiiiias having Iroalmonl processes for the removal of metal or cyanid-3 Will be assigned a minimum classification of Class It..
Facilities having troatirserl processes to( the biological removal of phosphorus will be assigned a minimum classilicalion of Class 111.
0004 oumrno?,is
The is;jr 'MN &1j,,tonS shall PpIy b"Fouql,�W tK5 Sssbeh.P[W.L
Ii A" -led Carbon Beds. A Phygi—Whinnic.3 n-rwd [or reducing soluble organic matwial horn w,sla-alor erlluant� The column-iypq loads used in dis rnwthod.yiil hays
4 [tow rate varying NOM IWO to eight gallons per rrintAt per square fool and may ba either up;%w ot donh� carbon buds_ Carbon may of may not be, rsganerclod an llw
wastewaier Ire.vne.ni plans site;
(2) A*W64 L aqoms. A basin in which all solids &. a mairywrled in suspension rd by vNch lbiolugicai Oxidation w organic mallif is reduced C-ovE)"M Rclally ��Led
�,anslsw of oxyqs-�n. flow-l"Yough basis;
31 Aeration. A pr as , of tKinging'about Intirnale e*,t;ci between air � No pvrilr oxygen in . liquid by spraying, agilation o, dillosim.1341 E.loelded A-r.iio
V& jcdJad Sludge process
UijjZn9 I mM M inmuC%td . . . ., ..; ..
.A time Of 16 ho�.. :
(4) Aliricalwally managed s;lp. My silt *n vrKcil & crop is produced, managed, and lUff9stod (Cop includes
grzss4i, grains, trevi. etc.):
(5) Kit Stripping. A process by which Ole aminotlit,ll ion is AW converted to dstolyod ammorsiz (pH adjustment) with Ow ammonia Own released to aw ab-nosptwg bfr
phyd"! means: or Whoa sircir., processes which ra— tie t019— 'godxis such as b4nto—. 1.fuorla. and Xyteng:
(q Canv,n Regeneration. The regeneration of exhaust" carbon by the use or & Ivinace to provide axiteffsoly Ngh J"ofaj—s which ,plablife A.,d oxidize Uvo absorbed 7.
iMpUrllit::
(7) Catonacoous- Slag4. A s(494 of lvaslewajqt Veal,nwrl% designed to ocrievo 'secondary' f1b.'Ind. I is:
n,
�(S) Crr"o A mach2nical "vice In v4ich cenlfilvg-t force is used to saflai�iG solids from . liqJcf-'t� %, oilw—1 d."'01,
(9) Ch".icif Addli ' on Sy5lOW9. The addlim of 10 —Sivw&W .1 — aWic.flon Paine f- fp-po— or inipoiN 4d, Yrnov;I, PH ;4 tlOnl'
etc,: " rAPAUNPY to -PO"Imsal wish direr r 0, ens c . harr-�cals and dirorent a;oP1;CAio,, points to Arh—e a spookc, losvh will 40 considered we Itlo capability to
.'W

rJheaiul(s) to drAr ur• ,i Avid be riled at are tystem; cepabllily to add a ct'e—z of aI a dtivenl application points. for dirforont purposes "it resvfl In the systems bang '
rated as saparat■ syslamr:
(10) Ghemicst Slvdga CM-1dibC1ing. The, addiion of a chorricat corrpDL A wch as lime, tactic chltxid9, or a polymer to wet dsrsge to coalesce the mass prior to tb;
e pp6s:Atlon to a dawalering device;
(11) Gosad Cycle Systems. Use of fxaldtrq ponds or holding larkcs for conlaln'rAnt of wastewater conlaWng Inorganic, non-loxhc materials Irom sand, geavol; crush,,d
store of other slmlar operAtions. Such systems shag carry a maximum of two pants regardless of purnping lec_ilities or any othw Appunerw ryas;
(12) Combined Aom3val of Carbcrsacoovs BOD and hfitrogono.us Igamovar by Nitrification A sine stage syslam requiaad to actiwvo permit offku M limits on BOO and
nmCns nla rilragon wi sn Uh■ same biological reacloe; _ -
(13} DechiorinAllon. Thor p2r4al or comet"'! radvc:tien of raitlWal chorine in a 14Ad by any chenical er physrcar process;
(14} OenivificaGon Plocess- The corwusio_n of nilrAa-nitrogen to nilfogeo gas: . -
(15) !_loclroCaalysls, Process, fcr famoviog Ionized Baits horn wster tixough the use of lon-solo6yi; lorraxchan9a membranes:
(18) Fllia Press. A process dparated',rrrecharically for partially dewaloring t1udya; .
(S7) potation. -Me plamed kotHng of wsslewalaf or was;ewalo� at"rit as a means of fornoving excessive amounts of detergent materials through Ihn
I,t,O aclion or elf In the form or fine bubbles: also called loam fraclianation; - =
08) GrICRamavat. The process of removing -grit and other heavy rrinwd matter from wastewater; _ -
(19) Imhoff Tank, A deep taro story wastewater lank consisting of an t.9por swvrenanLation charetbar and a lower shlydge digestion chamber.
(?0) irsslrumenled now l,ieasurement- tk device wHch Indicates and recofdr rate of how;
(21) Ion Exchange, A CNrNcal process In wNch tons from hvo dllaranl molectles are exchanged; -
(22) t_alnd •application: '
(a) Sludge Disposal. A final sludge disposal method by which wet shudge rrvy be applied to I" either by spraying on IN surface or bLsubsurlace Irjecton (i.e.,
ch rot ptow): loot applicable for types of sludge described In (11) of this Fels): — �l*
(b) Treated EAKKnL Tile process of spraying treated wastewater onto a land area or other Foolhods or. application of VeRsIDwalef onto a land area as a means of Anal
disposal or tiroabnent:
(23) microscraen. A low speed, rontirsAously back -washed, rotating drern fillar opwaUng.undar gravity concfliorss as -a potia.Nng rnet�d for ternoving suspended solids
Irom alAvonl; .
(24) Nitrification Process. The biochemical cenvetshon of unoxidzod nitrogen (ammonla and organs riuogen) to oxidized ritrogan (Usually nitrate);
(25) Nitrogenous Stage. A separate stage Of wastawatar treatment designed for the npoailic purpose of conrar$ng ammonia ritrogen to nitrale.nitrogan;
(26) Phosphate Removal, Bologicai. The removal of phosphorus from wasleveater by an oxkranoxk process designed to vnhancs luxury uptake of phosphorus by Ihra
mla'oorgenlsrns•
(27) Perishing Pond. A holding pond lotoMrrg secondary treatment with sufficierd detention lime tp Allow setting of fineiy suspended solids;
(2s) Post Aeration. Aeration following cony ►rational secondary treatment unts to Increase anion( O.O. or for any othwr purpose;
(2s) Post "ration. (Cascade) A pdisling method by WHch dissolved oxygen Is added to the olAuerd by a normectharicsl, gfavity means or flowing down a sacies or
slaps or wolfs; The gout occLreinq across the steps or wale rrnves In a _fairly :tin layer and the operition of the cascado ragvirea no cgwalo,' adjustment; taus, zero
points are assigned even though Eris -Is an essential slap to mec6ng to firribs of the discharge permit; -
(3o) Pondered to GranUar Activaled•,Csfbon Feed. A biophysical carbon process thal utilitas, biological activiy and organic absorption by using powdored " grariAaf
aetivalod carbon; Yvgin er regeneraled carbon is feed controlled into the cyslim;
(3Q Preaoralicn. A tank coltstrucFad to pruvida aaralicn prior to primary ViatrrOnt:
(32) Preliminary Units. Unit operations in U>a Irealmanl process, such a% scfsriing and commirwtion, "I pfepare 11w liquor for subsoquenl major operations;
(33) Industrial PceufalmerA- -
(a) Pre-Va&1monl Uril, Industrial. The condilioring of A waste at its sdlXce before discharge, to remove or to nevralize substances injlxious to sewers arv3 treatrnenl
Processes of to effect a partial redtntion in load on the troatrnerd process which is operaled by the same governing body as the wastawatar treatrrtanl plant bairg
rated; - .Y
b) Pre-toalment Program, Industrial . musi be a Slate or EPA regdise r'progam to receive points on the rating sheer;
(34) Primary Gariliers. The first setl;ing larks through which waslewalor is passed in a troatrnarA works for the purpose of removing saltleable and suspended solids and
130D which Is associated with the solids;
(35) PLznps. M InnuorA• affluent and ln-pla+T, Plx-nps;
(36) Radiation. Disinfection or slerifizaUon process utilizing devices arrf brig ultraviolet or gamma rays:
(37) Reverse Osmosis. A treatenont process in which a heavy contaminalod liclid is prasstrited through A membrane farming nearly -pure liqud "a from suspended solids; ,
(38) Routing Uological Conlraclors. A fixed biological growth process in which wxslowalor flows through links 16 which a series of partially submerged circdar savfaces
are rofalod;
(n9) sai Filters: -
(a) Inlarrrillenl WO1091cal. Fhntion or atiumni following septic tarns, lag,axs, or some ether Iraalmanl process in which Arewr biodocomp,osilion Is expect d to 1
produce daslred effluents; Hydra_Liic loading rates on these tillws are corn¢-Iwd In;gpdrac and have a reediting low gpnvsl (less than ore); -
h) Recircciating biotogical - the same type of sand Altar as defined in Stbparagraph (39) (a) of this R_ L(o with tha added capability to facycls elhuanl back thro.Jgh 1ho
sand liltef;
(40) Sand or IAixed-Modia Fillers. A polishing process by whch aMuonl kraals are aci'ievod through a iu'ther radictien or suspomed solids;
(a) I0N ral[ •• gr:vily, hydraulically loaded fillar with roaring rates in the me to three gpmisl range;
(b) high rate •• a prasstxe, hyd.aulicatly -loaded filter with loading rates In the five gpmrsl range; Al any rate, the loading fate. will exceed three gprTvsf:
(a 1) Secondary l,tarihws. A tank which follows the biological lnit of lraatm Go, ¢anl end Mich has the purpose of removing sludges associated with the lbologicaf
trealmonl units;
(42) Separala Sludge Reawation. A part of the contact stabilizalion process w', rp the activaled sludge is translarred to a tank and aerated before ralkxrirxj it to the
dented basin;
(,3) Seplfc Tank. A sing,'a-slory sanliY lank In which sallied sludge Is in comas% with ha waslowaler !lowing through the lank: shall not be applicable for septic tank
systems serving tingle terrify residences having capacity of.2,000 gallanS a lass which discharge to a nitrification field;
(i-t) Sludge Oigeslien. The process by which organic of volatile matte and shta:ge is gasfded, liquefied, rrireralited of convened into more stable organic mailer ttyougth
tha aciviy of living organisms, which includes awaled holding larks;
(45) Sludge Drying Beds. An area comprising naltral or artiAclal layers of porous materials won which digested sewage sludge is dried by drainage and evaporzGon;
(46) Sludge Elutriaticn., A process of satadge conditioring in which certain consilssents are removed by successive washings with Irish water or plant elllsa;;M;
(47) Sludge Gas Utiiitation. The process or using strwage gas lot the purpose of heating buildrigs, driving engines, etc.;
(43) Sludga ridding Tani' (Aerated and Honawralad), A lank utilized for small wastawafaf Vailmonl plants not containing a dgoeat f In which sludge may be kept trash -
and wpwnalant wiIFY-awn prior to a.deying method (i.e. sludge drying bads); This may be dons by adding a small Amount of air simply to keep the sltadge Irish, but nor
necessarily an am3t.nl that woutd be regafred to ecHpvs stabilization or agaric n:arter. A nonaeraled tank woUd simply be used to decant sludge prior to dowatering and
would not alloy long pwlods (several days of detention) veilh,pul resUliog odor poblemrs.-
(49) Sludga Incineralws• A hXnace designed to hum sludge and to rernwo at ncistuxe and Combustible materials end reduca Ow sludge to a slerila ash;
(So) Sludge Slabiliraaon (Chemical or Th?smal). A process to make treated slvdge less Ddwous and putrescibfe, and to reduce th3 pathogenic organism contanl; Ttis may
Oo done by pH adus.nenl, chlorine dosing. o: by }real trealmonl;
(51) Sludge Thicksnw. A type of sedimentation tank In which the sludge_ Is p¢ 'ned to settle and Ockan trough agilation and gravity;
;52) SlaN67,slion Lagoon. A typo of oxidation lagoon In whch biological oxidation or orgaric maher is effected by natsxal transfer of oxygen to the water horn tic (not a
aaiishing pnnd):
'53) Stand -Ur POwaf Su?ply. On_si;v Or portable electrical generating squipm_n: `
'54) Slatic Sc(oens. A stationary scteon designed to remove solids, including nen-biodegradablis pifl#cUale (Aoatabro solids, susponded solids and BOD rsduction) Irom
runicipal and industrial waslowalef treatment syslams:
'SS) Teriary Tieatrnvnt. A slags of trealmonl following secondary which is primuily lose the pvrposii of affluoni polshing: A saldiog lagoon.or sand or roar Alter mVhl W
+m{.:oyed Joe this purposo:
56) Thermal Pcilu-dGn Conirot Device. `A device providing for the transtor of,haa; Irom a 6uid rtovdng in tubas to another Auld outside rho luhos, or vice versa' or other
ravens of fsgaating liquid lemperaluros;
57) Themial Sludge Conditioner, A_ condlionirg pn(noss by which hail, is adds for a prolraclod period of lima to irnprova iha dewalarabitiy, of sludge by 60 sc:'dbili2fng
.nd hyd aUjting of IRa srnallor and mono kgriy hydeAled sludge parlidas; f
s9) Toxic Maladals. Thoso rraalaa of combnatbns of waslai. Including diseaa causing aganls which after dschargo and upon oxposuro, irejostion inhalaGrsn or--
-sinilation Into any ocgarism. ailhor diracdy from the orwirofYriont or indrocety by ingoslion duough food Chains, -will cause do ath• disease, behavioral abnormaii;ias
incur, gonolic mutations. Physiological matArr 0*ns (including malfunctions in+a-,roduction) or physical "dalannaeons In such ce9zhisms or lhoir.offspring: - Toxic' materials
,clude, by hvay of ilius!ration and not liniialion. lead, cad+rium chromium; mercury; vita bum arseri [; zinc, ofdho •litre dht0+obentana (OKCS). porychlorinaled hiphenyls - -
'COs} and dchlo•adphonyl lrichlorowhane (DOT); and any dthar materials chat havo'or. may her_oAhor,bs detornined to have toxic proporlias:
59) Trickling Filer. .. laological Icvavnool uric consisting of a'malariar such as t\-okon stono of rock novel which wasiewalor is dslribitod: A -high :::e.-Irickling'hihor is Dna
:trCh Ol'Wilod at bo `xoon 10 and 30 mgd pN acts, •A low rate tricklirq fillar is ana wlich is dosignod to oporalc AI or,* to lair mgd Par acrg:
C17) Tri[I:lithg f:il!a+ (Puked Tovmf). P. plug Row typo of operation in M,"Ch HvilawalBr ;lows dorm Ityough ssr_cossivo Jaya,$ or media or rilanio material; Cr ga: : mil o+=l
rpr.Uvod ca:hfirrculh• by I! -a radius laiplogical 6:od gtowti in•oac i successiva iz ar, Tli..mothod may produce -secondary' quality olAua,l_ ce ni;,y G eCzps;c 10
:aWco a ri triliad ■rnuonl.
i$j t•acv,an Fi;:ta. Cr.1141 99$, or Fd;or Pressol. Oe••+cos vrhich wo b3rignsc :.h ton,ava vzeu$s heator from oithof dgoslod n un600$LUd sludgu'ptior to sFsp_sal or