WQ0004059_Final Permit_19970228

State of North Carolina
Department of Environment,
CW;V
Health and Natural Resources IV4 • •
Division of Water Quality
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary p E H N
A. Preston Howard, Jr., P.E., Director
February 28, 1997
James H. Howard, Jr., Secretary
Sugarloaf Properties, Inc.
Post Office Box 1939
McAdenville, North Carolina 28101
Subject: Permit No. WQ0004059
Sugarloaf Properties, Inc., Atlantic Station
Wastewater Rotary Distributor Facilities
Carteret County
Dear Mr, Howard:
In accordance with your renewal request received October 21, 1996, we are forwarding herewith
Permit No.. WQ0004059, dated February 28, 1997, to Sugarloaf Properties, Inc. for the continued
operation of the subject wastewater rotary distributor facilities.
Please be advised, failure to resolve the problems associated with the quality of the groundwater
may result in the areas where the violations are occurring being removed from the permit, reducing the
wastewater flow to the treatment facility, or the requirement to include additional treatment units. The
Division reserves the right to open this permit at any time and require the above items or any other
alternatives, if the groundwater violations are not resolved.
In addition, please be advised of Condition II 14 which states, "Within sixty (60) day following
permit issuance, the following corrective actions shall be completed on the wastewater disposal system in
accordance with the Wilmington Regional Office:
a. The rotary distribution systems (including the manifolds from the dosing pumps) shall be
completely refurbished,
b . The top two feet of sand in the distribution fields shall be removed and replaced with a clean
material meeting design specifications, and
c. A permanent barrier or retaining wall shall be constructed around the rotary distribution fields
to minimize the affect of wind driven sand.
This permit shall be effective from the date of issuance until January 31, 2002, shall void Permit
No. WQ0004059 issued March 29, 1996, and shall be subject to the conditions and limitations as
specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to
establish an adequate system for collecting and maintaining the required operational information will result
in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, 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 the
North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer
27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

If you need additional information concerning this matter, please contact Andrew M. Oakley at
[phone] extension 533.
Sincerely,
��I
ston Ho , Jr., P.E.
cc: Carteret County Health Department
Wilmington Regional Office, Water Quality Section
Wilmington Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
HIGH RATE INFILTRATION SYSTEM 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
Sugarloaf Properties, Inc.
Carteret County
FOR THE
continued operation of a 100,000 wastewater rotary distributor facilities consisting of an influent bar
screen, a 20,000 gallon aerated flow equalization tank with dual 80 GPM submersible pumps and high
water alarms, flow control box, dual extended aeration package plants each consisting of a 50,000 gallon
aeration tank and a 8,333 gallon clarifier, dual 280 CFM blowers with a stand-by blower of equal
capacity, a 100,000 GPD teritary filter unit including backwash pumps and air scouring blowers,'a 8,700
gallon sludge holding tank, a 2,084 gallon chlorine contact tank with dual tablet type chlorinators, an
effluent recording flow meter, a 5,863 gallon effluent dosing tank with submersible pumps and high water
alarms, two (2) 86-foot diameter rotary distributors, an on -site stand-by generator with sufficient capacity
to operate the entire facility, and all associated piping, valves, and appurtenances to serve Sugarloaf
Properties, Inc.'s Atlantic Station with no discharge of wastes to the surface waters, pursuant to the
renewal request received October 21, 1996, 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 January 31, 2002, shall void Permit
No. WQ0004059 issued March 29, 1996, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
1. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective actions, including those
actions that may be required by this Division, such as the construction of additional or
replacement wastewater treatment or disposal facilities.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the facilities are installed, maintained, and operated in a manner
which will protect the assigned water quality standards of the surface waters and ground
waters. The ponding of wastewater on the surface of the distribution field when the dosing
cycle commences shall be considered as evidence of failure of the soils to adequately
assimilate the wastewater. Additionally, such failure shall be interpreted as a violation of
this permit condition.

3 . The residuals generated from these treatment facilities must be disposed in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Water Quality.
4. Adequate measures shall be taken to divert stormwater from the high rate infiltration area
and to prevent wastewater runoff.
5. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
6. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this facility.
7. The following buffers shall be maintained:
a) 400 feet between high rate infiltration unit and any habitable residence or place of public
assembly under separate ownership or which is to be sold,
b) 200 feet between high rate infiltration unit and any private or public water supply
source and any streams classified as WS or B,
c) 200 feet from mean high water between high rate infiltration unit and any "SA" or "SB"
classified surface waters,
d) 200 feet from normal high water between high rate infiltration unit and any other
stream, canal, marsh, or coastal waters,
e) 200 feet from normal high water between high rate infiltration unit and any Class I or
Class 11 impounded reservoir used as a source of drinking water,
f) 200 feet between high rate infiltration unit and any other lake or impoundment,
g) 200 feet between high rate infiltration unit and any Drainage systems (ditches, drains,
surface water diversions, etc.) and from any groundwater lowering and surface
drainage ditches,
h) 100 feet between high rate infiltration unit and property lines,
i) 50 feet between treatment units and property lines, and
j) 50 feet between high rate infiltration unit and other treatment units and public right of
ways.
Some of the buffers specified above may not have been included in previous permits for
this waste treatment and disposal system. These buffers are not intended to prohibit or
prevent modifications, which are required by the Division, to improve performance of the
existing treatment facility. These buffers do, however, apply to modifications of the
treatment and disposal facilities which are for the purpose of increasing the flow that is
tributary to the facility_ These buffers do apply to any expansion or modification of the
high rate infiltration areas and apply in instances in which the sale of property would cause
any of the buffers now complied with, for the treatment and disposal facilities, to be
violated. The applicant is advised that any modifications to the existing facilities will
require a permit modification.
8. A usable green area shall be maintained for wastewater disposal. The green area shall have
the capability of accommodating the average daily flow of the facility being served without
exceeding the loading rates of the green area. A "green area", as defined in 15A NCAC 2H
.0404 (g)(7), is an area suitable for waste disposal, either in its natural state or which has
been modified by planting a vegetative cover of grasses or low growing shrubbery.
II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
2. The application rates for the high rate infiltration system shall not exceed 10 GPD/ft2_
2

3. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any wastewater outside of the high rate infiltration disposal area,
which result from the operation of this facility.
4. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
5. The rotary distribution fields shall be raked twice weekly during the months April through
October and once a week during the months of November through March.
6. The screenings removed from the wastewater treatment plant shall be properly disposed in
a sanitary landfill or by other means which have been approved by this Division.
7. Vegetative growth must be kept out of the rotary distribution areas at all times. All
vegetation must be removed manually so that minimal disturbance will occur to the disposal
area.
8. The application of chemicals to the distribution field(s) is expressly prohibited.
9. An automatically activated standby power source shall be on site and operational at all
times. If a generator is employed as an alternate power supply, it shall be tested weekly by
interrupting the primary power source.
10. The flow measurement device shall be calibrated annually by a representative of a firm
which is routinely engaged in the calibration of flow measurement devices. Records of this
calibration, including all information pertinent to the calibration, shall be available during
any inspection by Division staff.
11. Diffusers shall be cleaned as needed to ensure that adequate aeration is provided. Records
of this maintenance shall be maintained by the permittee.
12. The chlorine tablets used in the disinfection facility shall be of the kind and type specified in
the plans and specifications approved by the Division.
13. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of
the wastewater treatment facilities. The operator must hold a certificate of the type and
grade at least equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each CIass I facility at
least weekly and each Class II,111, and IV facility at least daily, and must properly manage
and document daily operation and maintenance of the facility and must comply with all
other conditions of Title 15A, Chapter 8A, .0202. The daily visits by the ORC shall be
done on Mondays, Wednesday, Friday, Saturday, and Sunday, including holidays during
the months of April through October.
14. Within sixty (60) days following permit issuance, the following corrective actions shall be
completed on the wastewater disposal system in accordance with the Wilmington Regional
Office:
a. The rotary distribution systems (including the manifolds from the dosing pumps) shall
be completely refurbished,
b. The top two feet of sand in the distribution fields shall be removed and replaced with a
clean material meeting design specifications, and

c. A permanent barrier or retaining wall shall be constructed around the rotary distribution
fields to minimize the affect of wind driven sand.
MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring deemed necessary by the Division of Water Quality to insure surface and
ground water protection will be established and an acceptable sampling reporting schedule
shall be followed.
2. As an indicator of proper operation and maintenance, the facility shall produce an effluent
in compliance with the following limitations:
Parameter Monthly Averagea Daily Maximumb
Flow 100,000 GPD
BOD5 (5-day, 20°C) 10 mg/1
NH3 as N 4 mg/1
TSS 20 mg/1
Fecal Coliform 14 per 100 ml 43 per 100 ml
a Monthly average shall be the arithmetic mean of all samples collected during the
reporting period.
b Daily maximum shall be the maximum value of all samples collected during the reporting
period.
The effluent from the subject facilities shall be monitored, by the Permittee, at the point
prior to discharge to the rotary distributors for the following parameters:
Parameter
Sampling Point
Sampling Frequency
Type of Sample
Flow
_
Influent or Effluent
Continuous
Recording
BOD5 (5-day, 20°C)
Effluent
*2/Month
Composite
NH3 as N
Effluent
*2/Month
Composite
TSS
Effluent
*2/Month
Composite
Fecal Coliform
Effluent .
*2/Month
Grab
Settleable Matter
Effluent
Daily
Grab
Residual Chlorine
Effluent
Daily
Grab
NO3
Effluent
Triannually
Grab
'IDS
Effluent
' *Triannually
Grab
TOC
Effluent
* *Triannually
Grab
Chloride
Effluent
**Triannually
Grab
The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard
units.
2/Month sampling frequency only during the months of April through October. During
the remainder of the year, these parameters shall be monitored monthly.
** Triannually sampling shall be conducted during March, July, and November.
If Groundwater sampling indicates or predicts problems with compliance with of the
Groundwater Standards, this permit will be modified to include additional and/or more
restrictive limitations.
4

3. Three (3) copies of all effluent monitoring data (as specified in condition III 2) on Form
NDMR-1 shall be submitted on or before the last day of April, August, and December. All
information shall be submitted to the following address:
NC Division of Water Quality
Water Quality Section
Facility Assessment Unit
Post Office Box 29535
Raleigh, N.C. 27626-0535
4. A record shall be maintained of all residuals removed from this facility. The record shall
include the name of the hauler, the permit authorizing the disposal or a letter from a
municipality agreeing to accept the residuals, the date the residuals were hauled, and the
volume of residuals removed.
5. A maintenance log shall be maintained at this facility including, but not limited to, the
following items:
a. Daily sampling results including settleable matter and dissolved oxygen in the aeration
basin and at the clarifier weir;
b. Visual observations of the plant and plant site;
c. Record of preventative maintenance (changing of filters, adjusting belt tensions, alarm
testing, diffuser inspections and cleanings, etc.);
d . Date of calibration of flow measurement device;
e. Date and results of power interruption testing on alternate power supply; and
f. Dates fields were raked and arms inspected.
6. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone
number [phone], as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence at the wastewater treatment facility which results in the treatment of
significant amounts of wastes which are abnormal in quantity or characteristic, such as
the dumping of the contents of a basin or tank, the known passage of a slug of
hazardous substance through the facility, or any other unusual circumstances;
b. Any process unit failure, due to known or unknown reasons, that renders the facility
incapable of adequate wastewater treatment, such as mechanical or electrical failures of
pumps, aerators, compressors, etc.;
c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by-pass
of all or any portion of the influent to such station or facility; or
d. Any time that self -monitoring information indicates that the facility is not in compliance
with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 5 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.
5

I V . GROUNDWATER REQUIREMENTS
Within 90 days of permit issuance, one (1) upgradient monitor well, designated as MW-
4, shall be installed to monitor groundwater quality. The monitor well shall be constructed
such that the water level in the well is never above or below the screened (open) portion of
the well at any time during the year. The general location and name for each well is marked
on Attachment A. The monitoring well shall be located at the Compliance Boundary,
constructed in accordance with this permit, and approved by the Wilmington Regional
Office.
2. In addition to the new monitor well MW4, two (2) additional monitor wells, already on the
site's Compliance Boundary, will also be sampled. These monitor wells are to be
designated as MW-5 and MW-6 (upgradient). The general location and name for the wells
are marked on the attached map.
3. All wells that are constructed for purposes of groundwater monitoring shall be constructed
in accordance with 15A NCAC 2C .0108 (Standards of Construction for Wells Other than
Water Supply) and any other state and local laws and regulations pertaining to well
construction.
4. The Wilmington Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours prior to the construction of any monitoring well so that an
inspection can be made of the monitoring well location. Such notification to the regional
groundwater 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.
5. Within sixty (60) days of permit issuance, the permittee shall submit two original copies of
a scaled topographic map (scale no greater than 1":100') signed and sealed by a
professional engineer or a state licensed land surveyor that indicates all of the following
information:
a. the location and identity of each monitoring well,
b . the location of the waste disposal system,
c. the location of all property boundaries,
d. the latitude and longitude of the established horizontal control monument,
e. the relative elevation of the top of the well casing (which shall be known as the
"measuring point"), and
f. the depth of water below the measuring point at the time the measuring point is
established.
The survey shall be conducted using approved practices outlined in North Carolina General
Statutes Chapter 89C and the North Carolina Administrative Code Title 21, Chapter 56.
The surveyor shall establish a horizontal control monument on the property of the waste
disposal system and determine the latitude and longitude of this horizontal control
monument to a horizontal positional accuracy of +1- 10 feet. All other features listed in a.
through e. above shall be surveyed relative to this horizontal control monument. The
positional accuracy of features listed in a. through e. above shall have a ratio of precision
not to exceed an error of closure of 1 foot per 10,000 feet of perimeter of the survey. Any
features located by the radial method will be located from a minimum of two points.
Horizontal control monument shall be installed in such a manner and made of such
materials that the monument will not be destroyed due to activities that may take place on
the property. The map shall also be surveyed using the North American Datum of 1983
coordinate system and shall indicate the datum on the map. All bearings or azimuths shall
be based on either the true or NAD 83 grid meridian. If a Global Positioning System
(GPS) is used to determine the latitude and longitude of the horizontal control monument, a
GPS receiver that has the capability to perform differential GPS shall be used and all data
collected by the GPS receiver will be differentially corrected.
6

The maps and any supporting documentation shall be sent to the Groundwater Section,
N.C. Division of Water Quality P.O. Box 29578 Raleigh, N.C. 27626-0578.
6. Within thirty (30) days of completion of all well construction activities, a certification must
be received from a professional engineer certifying that the monitoring wells are located and
constructed in accordance with the Well Construction Standards (15A NCAC 2C) and this
permit. This certification should be submitted with copies of the Well Completion Form
(GW-1) for each well. Mail this certification and the associated GW-1 forms to the Permits
and Compliance Unit, Groundwater Section, P.O. Box 29578, Raleigh, NC, 27626-0578.
7. For the initial sampling of the well as specified elsewhere in the permit, the permittee shall
submit a copy of the GW-1 Form (Well Completion Form) with the Compliance
Monitoring Form (GW-59) for that well. Compliance Monitoring Forms that do not
include copies of the GW-1 form will be returned to the permittee without being processed.
Failure to submit these forms as required by this permit may result in the initiation of
enforcement activities pursuant to NC General Statutes 143-215.6.
8. The new monitor well, MW-4 shall be sampled initially after construction and thereafter,
with the monitor wells, MW-1, MW-2A, MW-3, MW-5, and MW-6 shall be sampled
every March, July, and November for the following parameters:
NO3 Chloride
Total Ammonia TDS
TOC Water Level
pH Total Phosphorus
Fecal Coliforms
Volatile Organic Compounds - In November only (by Method 1 below)
Method 1: Method 6230D (Capillary - Column), "Standard Methods For The
Examination of Water and Wastewater", 17th ed., 1989
The measurement of water levels must be made prior to sampling for the remaining
parameters. The depth to water in each well shall be measured from the surveyed point on
the top of the casing.
The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide the relative elevation of the measuring point for each monitoring well.
If TOC concentrations greater than 10 mg/1 are detected in any downgradient monitoring
well, additional sampling and analysis must be conducted to identify the individual
constituents comprising this TOC concentration. If the TOC concentration as measured in
the background monitor well exceeds 10 mg/l, this concentration will be taken to represent
the naturally occurring TOC concentration. Any exceedances of this naturally occurring
TOC concentration in the downgradient wells shall be subject to the additional sampling
and analysis as described above.
If any volatile organic compounds are detected by Method 6230D, or the equivalent Method
502.2, then the Wilmington Regional Office Groundwater Supervisor, telephone number
[phone], must be contacted immediately for further instructions regarding any
additional follow-up analyses required. The results of all initial and follow-up analyses
must be submitted simultaneously.

The results of the sampling and analysis shall be sent to the Groundwater Section, Permits
and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW-59
(Compliance Monitoring Report Form] on or before the last working day of the month
following the sampling month.
10. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
11. 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.
V . INSPECTIONS
1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to
insure proper operation 'of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal facilities
to prevent malfunctions and deterioration, operator errors and discharges which may cause
or lead to the release of wastes to the environment, a threat to human health, or a nuisance.
The Permittee shall 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 three years from the date of the inspection and shall be made available to the
Division of Water Quality or other permitting authority, upon request.
3. Any duly authorized officer, employee, or representative of the Division of Water Quality
may, upon presentation of credentials, enter and inspect any property, premises or place on
or related to the disposal 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
maintained under the terms and conditions of this permit, and may obtain samples of
groundwater, surface water, or leachate.
V I. GENERAL CONDITIONS
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other supporting
data.
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 transferable. In the event there is a desire for the facilities to change
ownership, or there is a name change of the Permittee, a formal permit request must be
submitted to the Division of Water Quality 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 subject wastewater treatment and disposal facilities shall be connected to an operational
publicly owned wastewater collection system within 180 days of its availability to the
subject facilities, if the subject wastewater treatment or disposal facilities are in
noncompliance with the terms and conditions of this non -discharge permit or the governing
statutes or regulations. Prior to the initiation of these connection activities, appropriate
approval must be received from this Division.
5. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15A NCAC 2H .0205
(c)(4).
6. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Water Quality in accordance with
North Carolina General Statute 143-215.6(a) to 143-215.6(c).
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.
8. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of this project.
9. 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.
Permit issued this the twenty-eighth day of February, 1997
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Z. _restoh toward, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0004059

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1

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
Owner or Contact
G ej
Mailing Address: r±> a L !c7
County: ate. -P Telephone: '70' f g�c 5 �c_>F- S- 7 7
Present Classification: New Facility Existing Facility L—
NPDES Per. No. NCOO Nondisc. Per. No.WO Gt� Y&-Vealth Dept.Per No.
Rated by: Telephone: Date:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification(s): Subsurface Spr Irrigation Land Application
Wastewater Classification: (Circle One) 1 11 III ) IV Total Points: -:5 -5
,al :�R �►� :7 13� �►i1.i� ��. ru=►1 al..r. _ ca ►11� :: :! �, ►• �'f1: "`�� lam► ►�
•��. -air a ; �l 1: u =► ter : I.i : ��� �� 1 k� 4; aI1 011 WE, A 6yej1=,4 11 MUM - 302
.►U :� /l� ►11: _ lam• ► �.A.. �:ti�u st Z. �t
SUBSURFACE CLASSIFICATION
(check all units that apply)
1. septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand filters
5. grease trapinierceptor
6_ oillwater separators
7. gravity subsurface treatment and disposal:
6. pressure subsurface treatment and disposal:
EPPAYIRRIGATONChi )CATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 }
2.
lagoons
3.
septic tanks
4.
pump tanks
5.
pumps
6,
sand filters
7.
grease traptinterceptor
S_
ollwater separators
S.
disinfection
10_
chemical addition for nutrient/aloae control
11.
spray Irrigation of wastewater
In addition to the above classifications, 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 APPLICATIONMESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils an a designated site.
WASTEWATER TREATMENT FACILITY CLASSIFICATION
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 consideration by the Commission on a case-by-casa basis: (Check if Appropriate)
1. Oil/waler Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
a. Closed -loop Recycle Systems;
S. Groundwater Remediation Systems consisting only of oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo ,A];
6. Aquacufture operations with discharge to surface waters;
7. Water Plant sludge handling and back -wash water treatment;
a. Seafood processing consisting of screening and disposal.
9_ Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1,
1993 or ff upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such
systems will be notified of the classification or redassHication by the Commission, in writing.

The following scale is used for rating wastewater treatment facilities: (circle ap-propriate paints)
ITEM POINTS
( 1 ) Industrial Pretreatment Units or Indusuiat Pretreatment Program (see detlnttion No, 33) ...................................................4
(2) DESIGN FLOW OF PLANT IN gpd (not applicable to non -contaminated cooing waters, sludge handing la-64 ies for
water purification plants, totally closed cycle systems(sea definition No. 11), and facilities consisting only of ham
(4)(d) or
Items (4)(d) and (11)(d)]
0 . 20 , 0 0 0.._............................................................................................................................................1
20,001 - 50,000............................................................................... ........_..................................,............2
50,001 100,000........................................ ................................... .... ............................... _................. 4�
100,001 250,000 .................................................................................................................................. A
250.001 - 500,000..................................................................................................................................5
500,001 - 1.000.000................................................................................................................................a
1,000,001 - 2.000,000...........................................................................................................................10
2.000.001 (and up) rate 1 paint additional for each 200,000 gpd rapacity up to a maximum of --.. .... ........ 30
Design Flow {gpd} ODD
(3) PRELIMINARY UNIT&PROCESSES (see de notion No.32)
(a) Bar Screens....................................................................................................................................._.......
or
(b)
Mechanical Screens, Static Screens or Comminuting Devices ...... ...... —........... .......... ...................... .............
(c)
Grh Removal..............................................................................................................................................1
or
(d)
Mechanical or Aerated Gnt Removal..........................•..--.................................................._....._............,.........2
(a)
Flow Measuring Device ... ................................ _........................................................................................... 1
(f )
or
Instrumented Flow Measurement....---.....................................................................................................
WPreaeratlon..-•-----
....................................................................................................................................
(h)
Influent Flow Equalization ........................................................................................................................ AV
(i)
Grease or Oil Separators - Gravity...................................................................... ........._.........................2
Mechanical.......„.„...................................................................................................................................3
Dissolved Air Rotation .......... ................................... ....... .................................................. ......................
(])
PrecNarination.-_...... ............................ „... ..................................................... ........................................
(4) PRIMARY7REATMENTUNiTs3FFoCEssES
(a)
Septic Tank (see definition No. 43).......... .......................................................... ........ ..................... .....
(b)
Imhoff Tank ..... ...... ......................................................... ........................................................... ...............
(c)
Primary Clartllars........................................ ............................................................ __....._...........................5
(d )
Senling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for water
purification plaritc, sand, gravel, stone, and other mining operations except racremionai activities such as gem
orgold mining)_..,..........................................................................................»---................................2
(5) SECONDARYTREATMEP1TLWc, RICICESSES
(a)
Carbonaceous Stage
(i} Aeration High Purity Oxygen System .......... ................................ ......... ........... „......
DltfusadAfr Systs m.......... .........................................................._.-............-................. 1 0
Mechanical A1r System (fixed, floating or rnfor}....._..._ ......._�__
Separate Sludge Reaermlon................... ........... ..................... ...... ........ ...................... 3
(11) Tddtling Fitter
HighRate ................................. .......................................... .....----- .......... ............... 7
Standard Rate ........... ........................................................ ... ..-....... ........................... 5
PackedTower ........... .............. ..... ................................. ......... ................... .................
(ill) Biological Aerated Fitter or Aerated Biological Filter _ _ „ „„.„ ..._..... „. „.„__1 0
(iv) Aerated Lagoons ......... „._.............................. .................................................... ...... ..10
(V) F1otidng Biological Contagars ............................................. ............__...._.................10
(vi) Sand Filters -intermittent biological ...... ........... .„..... ............................. ................... ........2
Recirculatingbiological....„...........„.............__.__................._.....„.............._...........:........2
(vii) Stablllzallon Lagoons....................................................................................................5
....... ............ .._................................................ ... ........ ......... ......... ...... 5
(1r) Single stage system for combined carbonaceous removal of BOD and nhrogerious removal by
nitrification (see deflnhion No. 12)(Points for this item have to be at addition to items
(5)(a)(1) through
utiltzing the extended aeration process (see deflnhlan No.3a)............................. ........... Z
utilizing other than the extended aeration process. ..................... ....................................B
{u) Nvtriarl adcrdions to enhance BOO removal ..... ................................ „............ ................. 5
(XI) Biological Culture ('Super Bugs")addhion... ... ........................ ..........._.._..,._.....„.........5
(b)
Nitrogenous Stage
(I) Aeration - High Purity Oxygen System.__— ........................... ........... ._............. .. 20
Dltfvsed Air Sysiam............. ............................... ......................_---........................._..1 0
Mechanical Air System (fixed, floating or rotor}_......„.„„.,._......_._.._...„...__. „ ... (i
Separate Sludge-Reaemition.................................... „ ...... ..... ........ ..................................
(11) Trickling Fllter-High Rate ..................... ............................................ ......... _................. 7
Standard Rate .................. ........ .................. .................................. ........... _...............
PackedTower .......... .._.... .................... ................................ .................................. ...5
(11I) Biological Aerated Filter Or Aerated Biological Fitter.__. „_._ .... __ ____. ..10
(Iv) Rotating Biological Contactors.. ........... ........... . ............. . ........ . .......................... ....... 10
(v) Sand Filter- Intermittent biological...„..._—........................................................................2
Recirculating biological ...... ....................... ......„..................................... _
(vl) Cfarifar.............................................................................................5
(6) TERTIJLRYORADVANCED TREkTMENTlNr15IPRDCESSES
(a)
AcilvatedCarbonBeds-
without carbon rageneratlon...... .................................. ...........................................................
withcarbon regeneratlon....... ....... .................. .._.... ............... --._....... „.. .......... „................... 1 5
(b)
Powdered or Granular Activated Carbon Feed-
withcutcarbon regeneration ............... „................ .................... ..... ........... -......— ........ _.....„..5
withcarbon regeneration......„.............................................................................................1 5
(c)
Air stripping_._ . ..................................... . .......................... . ...... . ............................ . .... . .........5
(d)
DenftrdicwtonProcess............................ ....... .................. .„....... .................. ................ ............... ........ 10
(0)
Elecirodlalysis.................................................................... .... .............................. ........................ ........5
(1)
Foam Separation. ............ .... . .................... ........................................... ................ .......................
Mton
Exchange ................................ _............................... ............................ ...._ S
(h)
Land Application of Treated Effluent (sea definition No. 22b) (not applicable for sand, gravel, stone
and other slmitar mining operations) by high rate _.............. 4
{I}
Microscreons................ .......... ...................... ................. .............. .......................... ......................_.............5
(])
Phosphorous Removal by Biological Processes (See definition No. 26).........................................................20
(k)
Polishing Ponds - without aeration.. ............. . ............................. .................................................. ........... 2
withaeration.................................................................................................................5

'I)
Post Aeration - cascade.................................................................................................................. ...........0
dillusedor mechanical,, ... .................................... I— ....................... 1-1 .... .................... I ......
(mJ
Reverse Osmosis........................................................................................................................................5
(n)
Sand or Mixed -Media Fitters - low rate ................................. ................................. .......... ....... .................. -
highrate....................................................................5 J
§
(a)
Treatment processes for removal of metal or cyanide ....... ...........................................................................
( p )
treatment processes for removal of toxic materials other than metal or cyanide ......................................... .... 1 5
(7)
SLUDGETREATMENf
(a)
Sludge Digestion Tank - Healed (anaerobic)...............................................................................................10
Aerobic......................................................................I............................ 5 ..... .....................................
Unheated (anaerobic)..
(b)
Sludge Slabil;zaticn (chemical or thermal)....................................__.......................................................... 5
(c)
Sludge Drying Beds - Gravity......................................................................................................
VacuumAssisted.........................................................................................................................-............5
(d)
.........................................
Sludge Elutriation..................................................................................... ..... ...5
(a)
Sludge Condhionar (chamica€ or thermat)......... ..........................................................................................5
(f )
Sludge Thickener (gravity).........................................................................................................................5
(9)
Dissolved Air Rotation Unit [not applicable to a unit rated as(3)(i)j.............................................................8
(h)
Sludge Gas Utilization (including gas storage) ................. _.......... ..........................................
(1)
Sludge Holding Tank - Aerated ......... ....................... -.......... ....... ............... ...............................................
No n- a e rai ed.............................................................................._........................ _......................
(J)
Sludge Incinerator (not Including activated carbon regeneration).-..„..........................................................1 0
(k)
Vacuum Filter, Centrifuge, or Filter Press or other similar dewatering devices.._ ........................ .......... ........ _.1 0
(6)
RESiDUALS UTiLIZATIONIDISPOSAL (nduding Incinerated ash)
(a)
Lagoons.................................................................................................................... .....2
(b)
Land Application (surface and subsurface) (see def€rution 22a)
by contracting to a land application operator or landfill operator who holds the land application permit
orlandfill permit....................................................--.......................--..-_....�
(c)
Dedicated Landfill(burial) by the permittee of the wastewater treatment lacilhy.... .............................. .........
(9)
DGtf:EC
T0. N
(a)
Chlorination..................................................................................•.......--..................................-.............�
(b)
Dechlorination..........................................................................................................................................5
(c)
Ozone .......................................................................................................................................................
(d)
Radiation ....... _.........................................................................................................................................5
(1 0)
CHEMICAL ADDITION SYSTE.41(S) ( see definition No. 9) [not applicable to chemical aodhtons rated as Item (3)0),
(5)(a)()ri),
(6)(a), (6)(b), (7)(b). (7)(e), (9a), (9)(b) or (9)(c) 5 points each;
List........
..... .............. ................ ............... ....................... .............. ........................ I ....... I.......
.................••••................................................._...........................................................
..................................................................................................................1..............15
................................................... ........ ............................._................. -- ........ _.........._... _ _..
(1 1)
IMScai_ANE0U.5 UNfrs rRoca s S
(a)
Holding Ponds, Holding Tanks or Set1#ing Ponds for Organic or Toxic Materials Including wastes from mining
operations containing nitrogen or phosphorus compounds In amounts signilicarnly greater than Is common
fordomestic wastewater .............................................................. ._..................._..............._. .................4
(b)
Effluent Flow Ecfa uaation (not basins t applicable to storage which are inherent In lard application syaems)...._2
(c)
Stage Discharge (not applicable to storage basins Inherent In land application
(d)
Pumps....................................................•-•..............................._._......._............_......_ ............
(a)
Stand -By Power Suwply ............................................................. -.._..•_....__..........-•............_....................
(f)
Thermal Pollution Ccmroi Device......................................................... ................................................ _.
TOTALPows....................._._.................................._._.._......
CLASSIF•PCAT04
CosI...........................................................................................................6-25 Points
ClassII.........................................................................................—............26.50 Points
CisIII.........................................................................................._.........._51-65 Points
CLsss 1V._............. ....................................................... .........,_...........fill -Up Pcir:ts
Facilities having a rating of one through four points, inclusive, do not require a certified operator,
Facilities having an activated sludge process will be assigned a minimum classification of Class 11.
Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum elassifiea•ton of Class II.
Faeftiee having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III-
-------------------------------------------------------------
=4 DERNITIONS
The following definitions shall apply throughout this Subchapter,
(1) Anfvated Carbon leads. A physical/chemlcal method Ear reducing soluble organic material from wastewater effluent; The column -type beds used In this
method will have a flow rase varying from two to eight gallons per minute per square foot and may be either upflow or downllow carbon beds. Carbon may or
may not be regenerated on the wastewaeer traalmsrit plant she;
(2) Aerated Lagoons. A basin In which all solids are maintained In suspension and by which biological oxidation or organic matter is reduced through artificially
acaelermad transfer of oxygen on a flow -through basis;
(3) Aeration. A process of bringing about Intimate ccraac: between air or high purtry oxygen In a liquid by spraying, agitation or diffuslon;(3a) Extended
Aerailcm An activated sludge process utilizing a minimum hydraulic detention time of I hours.
(4) Agrkwhurally managed she. Arty as on which a crop is produced, managed, and harvested (Crop Inc%idas grasses, grains, trees, etc.);
(5) Air Stripping. A process by which the ammonium ion is first converted to dissolved ammonia (pH adjustment) with the ammonia Ihen released to the
atmosphere by physical means; or other similar processes which remove petroieum products such as benzene, toluene, and xylene;
(6) Carbon Regeneradon. The regeneraton of exhausted carbon by the use of a furnace to provide extremely high tempermures which volatilize and oxidize tha
absorbed impuridee;
7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary' effluent limits;
) Centrifuge. A meahanlral device In which centrifugal farce Is used to separate solids from liquids or to separate liquids of d4ferentt denscfas;
(3) Ghamlcat Addition Systerrss- The addrilon of chemica!(s) to wastewater at an appllratlon point for purposes of Improving solids removal, pH adjustment,
alkalinity control, etc.; the capability to experiment with d?ferern chemicals and dlllerent application points to achieve a specific result will be considered one
system; the capabUlty to add chemid(s) to dual units will be rated as one system; capabillty to add a chemical at a different application points for different
purposes will result In the systarns being rated as separate systems;
(10) Chemical Sludge Condhforing. The addition of a c.`:emical compound such as Ilme, ferric chloride, or a polymer to wet sludge to coalesce the mass prior to
Its applicaton to a dewatering device;
(11) Closed Cycle Systems. Use of holding ponds or hcic.rg tanks for containment of wastewater oontainlrg Inorganic, non -toxic materials from sand, gravel,
crushed stone or other similar operations Such systems shall carry a maximum of two points regardless of pumping laciMies or any other appunenancea;
(12) Combined Removal of Carbonaceous BOO and Nilrxenous Removal by Nhr&ation- A single stage system required to achieve permit effluent limits on BOO
and amrmnia nitrogen within the same biological reactor,
(13) DechlorinallorL The paniaf or mrrplete reduction of residual chlorine In a Ilquld by any chemical or ph}se:%l process;

(15) Electrodialysls, process lot removing Ionized salts from water through the use of ion•seleclive Ion exchange membranes;
(16) Filter Press. A process operated mechanlcafly for panlally dewatering sludge;
(17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of detergent materials through
the introduction of air In the form of tine bubbles; also called loam fractionation;
(18) Grh Removal. The process of removing gr4 and other heavy mineral matter from wastewater,
(19) Imhoff Tank. A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber.
(201 Instrumerted Flow Measurement. A device which Indicates and records rate of flow;
(21) lost Exchange_ A chemical process in which ions from two different molecules are exchanged;
(22) land appricallon:
(a) Sludge Disposal. A lina! sludge disposal method by which wet sludge may be applied to land either by spraying on the surlaca or by subsurface injection
(1.9- chisel plow); [not applicable for types of sludge described In (11) of this Rule];
(b) Treated Effluent. The process of spraying treated wastewater onto. a land area or other methods of application of wastewater onto a land area as a
mears of final disposal or tmaimera;
(23) Microsaeon. A low speed, continuously back -washed, rotating drum filter operating under gravity conditions as a polishing method for removing
suspended solids from effluera;
(24) Nitritiewlon Process. The biochemical conversion of unoxidhzed nitrogen (ammonia and organic nitrogen) to oxidized nitrogen (usually nitrate);
(25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the specific purpose of converting ammtont7 nitrogen to nitrate nitrogen;
(26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxictanoxic process designed la enhance luxury uptake of phosphorus
by the mianorganisms;
(27) Pollshing Pond. A holding pond following secondary treatment with sufficlert detention time to allow settling of finely suspended solids;
(28) Post Aeration. Aeration following conventional secondary treatment units to increase effluent D.O. or for any other purpose;
(29) Post Aeration, (Cascade] A poiishing method by which dissolved oxygen Is added to the effluent by a nonmechanicaL gravity means of flowing down a
series of steps or welts; The flow occurring across the steps or weirs moves in a fairly thin layer and the operation of the cascade requires no operator
adjustment; thus, zero points are assigned even though this Is an essential step to meeting the limits of the discharge penult;
(30) Powdered to Granular Activated Carbon Feed. A biophysical carbon process that utlltzes biological activity and organic absorption by using powdered or
granular aalivatled carbon; Virgin or regenerated carbon is toed controlled Into the system;
(31) Preaeratbn. A tank constructed to provide aeration prior to primary treatment;
(32) Preliminary Unhs Unit operations in the treatment process, such as screening and comminution, that prepare the liquor for subsequent major operations;
(33) Industrial Pretreatment.
(a) Pre-treatment Unit, Industrial. The conditioning of a waste at its source before discharge, to remove or to neutralize substances Injurious to sewers and
treatment processes or to effect a partial reduction In load on the treatment process which is operated by the same governing body as the wastewaler
treatment plant being rated;
b) Pre-treatment Program, Industrial - must be a Slate or EPA required program to receive points on the rating shoat;
(34) Primary Clartflers. The first settling tanks through which wastewater is passed In a treatment works for the purpose of removing settleable and suspended
solids and BCD which is associated with the solids;
(35) Pumps. AJI influent, effluard and inuplara pumps;
(36) Radiation, Disinfection or sterilization process utilizing devices emitting ultraviolet or gamma rays;
(37) Reverse Osmosis A treatment process In which a heavy cantamina)ed liquid is pressurtzed through a membrane forming nearly pure liquid free from
suspended solids;
(38) Rotating Biological Contractors- A fixed biological growth process in which wastewater flows through tanks in which a series of partially submerged circular
surfaces are rotated;
(39) Sand Filters:
(a) Intermittent Biological. Filtration of effluent following septic tanks, lagoons, or some other treatment process In which further biodecornposttlon Is
expected to produce desired offluems; Hydraulic loading rates on these filters are computed in gpdrac and have a resulting low gpmtot (less than one);
b) Recirculating biological - the same type of sand filter as defined in Subparagraph (29) (a) of this Rule with the added capability to recycle efRuem bank
through the sand fiher,
(40) Sand or Muted-Medla Fliers, A pollshing process by which effluent limits are achieved through a further reduction of suspended solids;
(a) low rate — gravity, hydraulically loaded fitter with loading rates in the one to three gprrvsf range;
(b) high rate — a pressure, hydraulically loaded filter with loading rates in the five gprrVsf rage; At any rate, the loading rate will exceed three gprrdst;
(41) Secondary Clarifiers. A tank which follows the biological unit 01 treatment plant and which has the purpose of romaving sludges associated with the
biologirati treatment units;
(42) Separate Sludge Reaeration. A part of the contact stabilization process where the activated sludge Is Dw ferred to a tank and aerated before returning It
to the contact basin;
(43) Septic Tank. A single -story settling lank in which settled sludge is In contact with the wastewater flowing through the tank; chap not be applicable for
septic tank systems serving single family residences having rapacity of 2.000 gallons or less which discharge to a nitrification field;
(44) Sludge Digestion. The process by which organic or volatile manor and sludge is gasified, liquefied mineralized or converted into more stable organic matar
through the a=Ivity of living organisms, which Includes aerated holding tanks;
(45) Sludge Drying Bads. An area comprising natural or artllicial layers of porous materials upon which digested sewage sludge Is dried by drainage and
evaporation;
e � (46) SkrdgElufriation. A process of sludge conditioning In which certain constituents are removed by successive washings with fresh water or plant effluent;
(47) Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings, driving engiries, etc.;
(48) Sludge Hoiding Tank (Aermed and Nonaerated). A tank utfltzed for small wastewater treatment plants not containing a digester In which sludge may be
kept fresh, and supernatant withdrawn prior to a drying method (l.s. sludge drying beds); This may be done by adding a amall amount of air simply to keep the
sludge fresh, but not necessarily an amount that would be required to achieve stabilization of organic matter. A nonaeraled tank would simply be used to
decant sludge prior to dewatering and would not allow long periods (several days of detention) without resuhing odor problems;
(49) Sludge Incinerators A furnace designed to burn sludge and to remove all moisture and wmbustlble materials and reduce the sludge to a sterile ash;
(60) Sludge Stabilization (Chemical or Thermal}. A process to make treated sludge less odorous and putresctible, and to reduce the pathogenic organism
content; This may be done by pH adjustment, chlorite dosing, or by heat treatment;
(51) Sludge Thickener. A type of sedimertaffon tank In which the sludge is permitted to settle and thicken through agitation and gravity;
(52) Stabilization Lagoon.A type of oxidation lagoon in which biological oxidation of organic manor Is effected by natural transfer of oxygen to the water from
air (not a polishing pond) ;
(53) Stand -By Power Supply. On she or portable electrical generating equipment,
(54) Static Screens A stationary screen designed to remove solid,, including own -biodegradable particulate (Iloatable solids, suspended solids and SOD
reduction) from municipal and indusuiai wastewater treatment systems;
(55) Tertiary Treatment. A. stage of treatment following secondary which is primarily for the purpose of effluent polishing; A settling lagoon or sand or coal fihsr
might be ernployed for this purpose;
(56) Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing In tubes to another fluid outside the tubes, or vice vwsa;
or other means of regulating liquid temperatures;
(" Thermal Sludge Conditioner. A conditioning process by which heat is added for a protracted period of fire to Improve the dowaierab111ty of Nudge by the
solubil'aing and hydraulizfng of the smaller and more highly hydrated sludge particles;
(58) Toxic Materials Those wastes or combinations of wastes, Including disease -causing agents which after rscharge and upon exposure. Ingastlon, inhalation
or asslrruiaUon into any organism, either directly from the environment or indirectly by ingestion Through food chairs, will cause death, disease, behavioral
abnormalities, cancer, genetic mutations, physiological malfunctions (Includirg malfunctions In reproduction) or physical deformations. In such organisms or their
offspring; Toxic materials Include, by way of Illustration and rot Ilmhatlon: lead, cadmium, chromium, mercury, vanadium, arsenic, zlne, anho-nitro-chlorobenw "
(ONCE), polychlorinated blphenyls (PCBs) and dichlorodiphenyl trlchiorcelhane (DDT); and any other materials that have or may hereafter be determined to ha,,
toxic properties-
(59) Trickling Filter. A biological uaatmart unit consisting of a material such as broken stone or rock over which wastewater is distributed' A high rate trickling
rather is one which operated at between 1G and 30 mgd per acre. A low rate trickling filter Is one which is designed to operate at one to four mgd per acre;
(60) Trickling Mar (Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of media or filtrate material; Organic
malarial Is removed cvntbmually by the active biological fixed growth In each successive layer. Thls method may produce -secondary' quality efiwant, or may be
adapted to produce a nhtrilled effluent;
(61) Vacuum F-ter, Centrifuges. or Fiber presses. Devices wNch are designed to remove excess water from either digested or urdlgested sludge prior to disposal
or further UeatmanL