WQ0000889_Final Permit_19940110

State of North Carolina
Department of Envirr nment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
January 10, 1994
Mr. W. A. Schimming,
Manager, Environmental Affairs
Texasgulf, Incorporated
Post Office Box 48
Aurora, North Carolina 27806
AZ4
004% J
I DEHNR
Subject: Permit No. WQ0000889
Texasgulf, Incorporated -Amendment
Domestic Wastewater Treatment and
Collection Facilities
Beaufort County
Dear Mr. Schimming:
In accordance with your application for permit renewal received October 8, 1993, we are
forwarding herewith Permit No. WQ0000889 dated January 10, 1994, to Texasgulf, Incorporated for the
continued operation of the subject domestic wastewater treatment and collection facilities. This permit
includes the additional pump station that, by definition, is considered to be a 'building sewer'. It is
included because it does have an influence on the subject permitted facilities.
This permit shall be effective from the date of issuance until December 31, 1998, 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. Issuance of this
permit hereby voids Permit No. WQ0000889 issued October 26, 1990.
If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have
the right to request an adjudicatory hearing upon written request within 30 days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please c m /
733-5083.
Sincerely, , {�
1�1 • l�
A. Prest n Howard, Jr., P.E.
cc: Beaufort County Health Department
Washington Regional Office, Water Quality
Washington Regional Office, Groundwater
Groundwater Section, Jack Floyd
Training and Certification Unit
Facilities Assessment Unit
P.O. Box 29535, Raleigh, North Carolina 27626-6535 Telephone [phone] FAX [phone]
An Equal Opportunity ; ,,firmative Action Employer 50% recycled/ 10% post -consumer paper

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SPRAY IRRIGATION 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
Texasgulf, Incorporated
Beaufort County
FOR THE
continued operation of thrity-nine (39) simplex pump stations each with an 18 gpd submersible grinder
pump and high water alarms, approximately 7,110 linear feet of 3-inch force main and approximately 354
linear feet of 2-inch force main, a 125 gpm pump station with dual submersible pumps and high water
alarms, approximately 3,171 linear feet of 4-inch force main, a 30,000 GPD dual train "anoxic/aerobic"
wastewater treatment facility which consists of a flow monitoring manhole, a 14,960 gallon equalization
tank with dual 21 gpm submersible grinder pumps, a flow splitter box, dual 3,750 gallon anoxic tanks,
dual 11,250 gallon aerobic tanks, two (2) 145 cfm blowers, dual 6,200 gallon clarifiers, a 5,000 gallon
aerobic digester, four (4) 6,200 gallon sludge holding tanks, dual five (5) foot diameter filters equipped
with a 5,000 gallon dosing tank with dual submersible 21 gpm pumps, a 15 cfm blower and a 5,000
gallon backwash holding tank with dual submersible 210 gpm pumps, dual disinfection which will include
a ultraviolet disinfection system and a 632 gallon chlorine contact chamber with tablet chlorination, a 3,441
gallon effluent dosing tank with three (3) 42 gpm suction pumps, approximately 459 linear of 2-inch force
main, three (3) effluent meters, three (3) 80 feet by 80 feet rapid infiltration fields and all associated
valves, pipes and appurtenances to serve Texasgulf, Incorporated with no discharge of wastes to the
surface waters, pursuant to the permit renewal request received October 8, 1993, 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 December 31, 1998, and shall be
subject to the following specified conditions and limitations:
1. The spray irrigation facilities shall be effectively maintained and operated at all times so
that there is no discharge to the surface waters, nor any contamination of ground waters
which will render them unsatisfactory for normal use. In the event that the facilities fail to
perform satisfactorily, including the creation of nuisance conditions or failure of the
irrigation area to adequately absorb the wastewater, the Permittee shall take such immediate
corrective action to correct the problem, including actions as may be required by the
Division of Environmental Management.

2. 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.
3. The sludge generated from these treatment facilities must be disposed of in accordance with
General Statute 143-215.1 and in a manner approved by the North Carolina Division of
Environmental Management.
4. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
5. The following buffers shall be maintained:
a) 400 feet between wetted area and any residence or places of public assembly under
separate ownership,
b) 150 feet between wetted area and property lines,
c) 100 feet between wetted area and wells,
d) 100 feet between wetted area and drainageways or surface water bodies,
e) 50 feet between wetted area and public right of ways,
f) 100 feet between wastewater treatment units and wells,
g) 50 feet between wastewater treatment units and property lines.
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
spray irrigation 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.
6. 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.
ffROMI' !► :►f u: ►11121, IIIII.Mill
The facilities shall be properly maintained and operated at all times.
2. 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 Ieast equivalent to or greater than the classification assigned to the wastewater
treatment facilities by the Certification Commission. The Permittee must also employ a
certified back-up operator of the appropriate type and grade to comply with the conditions
of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class II, III, and IV facility at least daily, excluding weekends and
holidays, and must properly manage and document daily operation and maintenance of the
facility and must comply with all other conditions of Title 15A, Chapter 8A, .0202.
3. Irrigation shall not be performed during inclement weather or when the ground is in a
condition that will cause runoff.
2

4. Adequate measures shall be taken to prevent wastewater runoff from the spray field.
5. The facilities shall be effectively maintained and operated as a non -discharge system to
prevent the discharge of any wastewater resulting from the operation of this facility.
6. The application rate shall not exceed 8 inches per day per rapid infiltration field
7. No type of wastewater other than that from Texasgulf, Incorporated's domestic wastewater
treatment facilities shall be sprayed onto the irrigation area.
8. No traffic or equipment shall be allowed on the disposal area except while installation
occurs or while normal maintenance is being performed.
9. Public access to the land application sites shall be controlled during active site use. Such
controls may include the posting of signs showing the activities being conducted at each
site.
TYNNI-Me V to]: ►1"W41101 IN I'll N i0i alil V ► 'R X11"1' DI
1. Any monitoring (including groundwater, surface water, soil or plant tissue analyses)
deemed necessary by the Division of Environmental Management to insure surface and
ground water protection will be established and an acceptable sampling reporting schedule
shall be followed.
2. Adequate records shall be maintained by the Permittee tracking the amount of wastewater
disposed. These records shall include, but are not necessarily limited to the following
information:
a) date of irrigation,
b) volume of wastewater irrigated,
c) field irrigated,
d) length of time field is irrigated,
e) continuous weekly, monthly, and year-to-date hydraulic (inches/acre) loadings for
each field,
f) weather conditions, and
g) maintenance of cover crops.
3. As an indicator of proper operation and maintenance, the facility shall produce an effluent
in compliance with the following limitations:
Parameter Monthly Average Daily Maximumb
Flow 30,000 MGD
BOD5 10 mg/l 15 mg/1
NH3 as N 4 mg/1 6 m0
TSS 5 mg/l 10 mgll
Fecal Coliform 5 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 long term holding pond for the following parameters:
Parameter _ Sampling_Pont _Sampling Fir .Quency T= of,Smph
Flow Influent or Effluent Continuous Recording
BOD5 (5-day, 20°C) Effluent *2/Month Composite
NH3 as N Effluent *2/Month Composite
TS S Effluent 2/Month Composite
Fecal Coliform Effluent of first pond 2/Month Grab
Settleable Matter Effluent Daily Grab
Residual Chlorine Effluent Daily Grab
NO3 Effluent Triannually Grab
TDS 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. Three copies of all monitoring data, as specified in condition III.3, shall be submitted on or
before of the last day of the month following sampling to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
Post Office Box 29535
Raleigh, N.C. 27626-0535
5. 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.
6. Noncompliance Notification:
The Permittee shall report by telephone to the Washington Regional Office, telephone no.
919/ 946-6481 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 sludge digester, the known passage of a slug of
hazardous substance through the facility; or any other unusual circumstances.
4

b. Any process unit failure, due to known or unknown reasons, that render 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 directly to receiving waters without treatment of all or any portion of the
influent to such station or facility.
d. Any time that self -monitoring information indicates that the facility has gone out of
compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be taken to ensure that the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
1. Monitor wells MW#1, MW#2, MW#3, MW#4, must be sampled every March, July, and
November for the following parameters:
NO3 TDS
TOC pH
Ammonia Nitrogen Chloride
Water Level Total Coliforms
Volatile Organic Compounds - In November only ( by Method 1 or Method 2
below)
Method 1: Method 6230D ( Capillary - Column), "Standard Methods for the
Examination of Water and Wastewater", 17th edition, 1989
Method 2: Method 502.2 " Methods for the Determination of Organic Compounds
in Drinking Water", United States Environmental Protection Agency -
600/4-88/039
2. The measurement of water level must be made prior to sampling for the remaining
parameters. The depth of water in each well shall be measured from the surveyed point on
the top of the casing.
3. The measuring points (top of well casing) of all monitoring wells shall be surveyed to
provide relative elevations of the measuring point for each of the monitoring wells.
4. 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 backg ound 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.
5. If any volatile organic compounds are detected by method 6230D, or the equivalent method
502.2, then EPA methods 604 and 611 must also be run to detect other organic compounds
which may be present. The results of all analysis specified in the monitoring requirements,
including 604 and 611 if required, must be submitted simultaneously
E

6. The results of the sampling and analysis shall be sent to the N.C. Division of
Environmental Management P.O. Box 29535 Raleigh, N.C. 27626-0535 on Form GW-59
(Compliance Monitoring Report Form) every April, August, and December.
7. The Compliancs_Bound= for the disposal system (see Attachment A) is specified by
regulations in 15 NCAC 2L, Groundwater Classifications and Standards.The Compliance
Boundary 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 beyond the Compliance Boundary is subject
to penalty provisions applicable under General Statute 143-215.6A (a)(1).
S. In accordance with 15A NCAC 2L, Groundwater Classifications and Standards. A
REVIEW BOUNDARY (see attachment A) is established around 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.
9. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall
be provided
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 keep an inspection log or summary including at least the date and time
of inspection, observations made, and any maintenance, repairs, or corrective actions
taken by the Permittee. This log of inspections shall be maintained by the Permittee for a
period of three years from the date of the inspection and shall be made available upon
request to the Division of Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the disposal site and facility at any reasonable 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; or may obtain samples of
groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
1. This permit shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans, 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 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.
6

4. 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 143-215.6A to 143-215.6C.
5. 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.
6. A set of approved plans and specifications for the subject project must be retained by the
Permittee for the life of the project.
7. The annual administering and compliance fee must be paid by the Permittee within thirty
days after being billed by the Division. Failure to pay the fee accordingly may cause the
Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205 (c)(4).
8. The 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. 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.
10. Issuance of this permit hereby voids Permit No. WQ0000889 issued October 26, 1990.
Permit issued this the 1 Oth day of January, 1994
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
6au'�' kc, T�]q ajzL /&
A. Preston ard, Jr., P.E., Director
Division of EvHronmental Management
By Authority of the Environmental Management Zimmissi
VA

Ail-�.LtY►�an� T u�c', Yn�. W.WT,P. �'�'-�u�«� Gdun'I:Y
WQ 0o$g4 (R�e;� Ra`! pray Sv��►.�)
s wolf
Cal-
/r
I3ou►,aiur�/
-�o tL,a No jr�or'1 a5� -
� vc r

ETWEEN THE TWO DATUMS IS VARIABLE • ��—r �_
S THE APPROXIMATE LINE OF MEAN HIGH WATER
E OF TIDE IS LESS THAN % FOOT QUADRANGLE LOCATION
H NATIONAL MAP ACCURACY STANDARDS
1G1CAL SURVEY, RESTON. VIRGINIA 22092
IiC MAPS AHD SYMBOLS M AVAILABLE ON REQUEST
ram.
x
3919
.s 391E
C`
,I .` • � � A17oaaR�.N.
Ly _
c 4
I !I !
n
y 6 S 9i
* ti
Tank�s� u
'It,l,5
ll'I a
9
i x g n! v h u
It O -
y
V I
339 0 INTERIOR —GEOLOGICAL 9fIRVCV. RESTON, VIROIRIA-1903-35*22'30'
340w" E. 76045'
ROAD CLASSIFICATION
4 iANE 15 iANE ae4�[+
HeM.duty......, � Light•duty-- p
LANE �S LANE
Medium -duty --�-- Unimproved dirt
C3 U. S. Route O State Route
BATH, N. C.
35076-D7-TF-024
1951
PI-IOTOREVISED 11%;13
DMA $654 IV NE—SERI 42

_ _ _ - . . , . v . i , I l L ...1
Name of Plant: KWA k._ I7 d
rTrto
c�
c, kt)
Owner or Contact Pe sore: h. Sc�1�tti1
�lh �_
Mailing Address: P•()-'6x4`>
Lim., NC ?_ 2bo
County: gtouso/q Telephone: (9if)
NPDES Permit No. NCOO Nondisc.
Per. No. _YyQocbo8QQ
IssueDate: `/Wrib Expiration
_
Date: _ /g4_
Existing Facility New Facility yo
Rated By:til�, �l� _ _ Dab-
12 Z,/15
Reviewed (Train, & Cert.) Reg. Office
iz zz 3
Reviewed (Train. & Cert.) Central Office.
ORC. erg Nvjf Grade
Plant Class: (circle one) 1 11 111
1V Total Points 67
ITEM
POINTS (5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
(1)
Industrial Pretreatment Units and/or
(i)Aeration - High Purity Oxygen System .....
20
Industrial Pretreatment Program
Diffused Air System ...... _ ....
1 0
(see definition No. 33) 4
Mechanical Air System (fixed,
(2)
DESIGN FLOW OF PLANT IN GPD
floating or rotor) .... . .........
B
(not applicable to non -contaminated cooling waters, sludge
Separate Sludge Reaeralion ..
3
handling facilities for water purification plants, totally
(ii) Trickling Filter
closed cycle systems (def. No. 11), and facilities
High Rate ...................
7
consisting only of item (4) (d) or Items (4) (d) and (11) (d))
Standard Rate ...............
5
0 -- 20.000 .......................... 1
20.001 -- 50.000
Packed Tower .
5
..........................
(iii) Biological Aerated Filter or Aerated
50,001 - 100,000 .......................... 3
Biological Filter ..........
10
100,001 - 250.000 ......... _ ................ 4
(iv) Aerated Lagoons
10
250.001 - 500,000.......................... 5
500,001--1,000,000 .......................... 8
(v) Rotating Biological Contactors ........ , ,
110
1.000.001 -- 2,000.000 .......... . ............. 10
2,000,001 (and up) - rate 1 point additional for each
(vi) Sand Filters-
200,000 gpd capacity up to a
intermittent biological .....
2
maximum of 30
2,0,000
recirculaling biological ... ..
3
(3)
Design Flow (gpd) - 5jA
PRELIMINARY UNITS (see definition no. 32)
(vii) Stabilization Lagoons ...................
(viii)Cfarifier ..............................
r
(a) Bar Screens . . .............................. 1
(ix) Single stage system for combined
or
carbonaceous removal of BOD and
(b) Mechanical Screens, Static Screens or
nitrogenous removal by nitrification
Comminuting Devices ........................ 2
(see def. No. 12) (Points for this item
(c) Grit Removal ............................... 1
have to be in addition to items (5) (a)
or
O through (5) (a) (viu) .................
O
(d) Mechanical or Aerated Grit Removal ........ _ .. 2
(x) Nutrient additions to enhance BOD
(e) Flow Measuring Device ....................... 1
removal ..... 6 .........................
5
or
(Q Instrumented Flow Measurement .............. ©
(xi) Biological Culture ('Super Bugs') addition
to enhance organic compound removal .....
5
(g) Preaeration................................ 2 (b) Nitrogenous Stage
(h) Influe,il Flow L4valization ........ O
(i) 6 ration - High PWity O�ygcn System .....
Diffused Air System ...........
20
10
(i) Grease or Oil Separators - Gravity .... 4 ..... 2
Mechanical Air System (fixed,
Mechanical .......... 3
floating, or rotor) ...... ......
8
Dissolved Air Flotation. 8
Separate Sludge Reaeralion .....
3
ajj Prechlorination ... . . ... .................. 5
(ii) Trickling Filter -
High Rate ..............
7
(4)
PRIMARY TREATMENT UNITS
Standard Rate ............
5
(a) Septic Tank (see definition no. 43) .............. 2
Packed Tower ............
5
(b) Imhotf Tank .. _ ........................... 5
Will Biological Aerated Filter or Aerated
(c) Primary Clarifiers .................... I .... 6 .. 5
Biological filler .........................
1 0
(d) Settling Ponds or Settling Tanks for Inorganic
(iv) Rotating Biological Contactors ............
10
Non -toxic- Materials {sludge handling facilities
(v) Sand Filter -
for water purification plants, sand, gravel,
intermittent biological .. _ -
2
stone, and other mining operations except
recirculating biological .....
3
recreational activities such as gem,or go
(vi) Clarifier ................................
5
mining) ...................................... 2

i
(6) TERTIARY OR ADVANCED TREATMENT UNIT
(a)
Activated Carbons Beds -
without carbon regeneration ..................
5
with carbon regeneration ....................
is
(b)
powdered or Granular Activated Carbon Feed -
withoul carbon regeneration .................
5
with carbon regeneration .......... I .......
is
c
(d)
Air Stripping ..............................
Denitrificalion Process (separate process) . ....
5
(e)
EleGtrodialysis ..............................
5
(f)
Foam Separation .............................
5
(g)
Ion Exchange ................................
5
(h)
Land Application at Treated Effluent
(see definition no._ 22b) (not applicable for
sand. gravel, stone and other similar mining
operations)
W on agriculturally managed sites (See del.
No. -4) ............ .......................
10
(ii) by high rateinfiltration on non -agriculturally
managed sites (includes rotary distributors
and similar fixed nozzle systems) ...........
Q
(iii) by subsurface disposal (includes low pressure
pipe systems and gravity systems except at
plants consisting of septic lank and ni(rifica-
tionlines only) .............................
4
(i)
Microsrreens..................................
5
(j)
Phosphorus Remoial by Biological Processes
(See del. No. 26) ............................
20
(k)
Polishing Ponds - without aeration .......
2
%vilh aeration ..........
5
(1)
Post Aeration - cascade ..............
0
diffused or mechanical ...
5
(m)
Reverse Osmosis ...............................
5
(n)
Sand or Mixed -Media Fillers - low rate ...........
high rate ..........
5
(o)
Treatment processes for removal of metal or
cyanide....................................
15
(p)
Treatment processes for removal of toxic
materials other than metal or cyanide .........
15
(10) -CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
(not applicable to chemical additions rated as item
(3) 6). (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e),
(9) (a), (9) (b), or (9) (c) 5 points each: Lis[:
5
5
— .. .. 5
(11) MISCELLANEOUS UNITS
(a)
}folding Ponds, Holding Tanks or Settling Ponds
for Organic or Toxic Materials including wastes
from mining operations containing nitrogen and/or
phosphorous compounds In amounts significantly
greater than is common for domestic wastewater ..........
4
(b)
Effluent Flow Equalaalion (not applicable to storage
basins which are inherent in land application systems).
2
(c)
Stage Discharge (not applicable to storage basins
(d)
inherent in land application systems .......................................
Pumps._ ........................
(e)
Sland-By Power Supply ........ ........... .............................._...... .....
3
(f)
Thermal Pollution Control Device :........................................_..
SLUDGE TREATMENT
(a)
Sludge Digestion Tank - Heated ...............
Aerobic ...............
10
Q
heated .............
Stabilization heroic or thermal)
3
a
(b)
Sludge .......
(c)
Sludge Drying Beds - Gravity .................
2
Vacuum Assisled .......
5
(d)
Sludge Efutrialion .............................
5
(e)
Sludge Conditioner (chemical or thermal) ........
5
(f)
Sludge Thickener (gravity) ......................
5
(g)
Dissolved Air Flotation Unit
(not applicable to a unit rates as (3) (ij .........
8
(h)
Sludge Gas Utilization (including gas storage) . ...
2
(i)
Sludge Holding Tank - Aerated ................
Non-aeraled ............
5
0
(j)
Sludge Incinerator - (not including activated
carbon regeneration) .....
10
(k)
Vacuum Filler, Centrifuge or Filter Press or other
similar dewalering devices . ...........
10
9) SLUDGE DISPOSAL (including incinerated ash)
(a) Lagoons ........................................
2
(b)
Land Application (surface and subsurface)
(see definition 22a)
-where the facility holds the Land app. permit . ..
10
-by contracting to a land application operator who
holds the land application permit ................
2
-land application of sludge by a contractor who does
not hold the permit for the wastewater treatment
facility where the sludge is generated .........
1 0
(c)
Landfiried (burial) ............................ .
,) DISINFECTION
5
o
(a)
Chlorination ........................ .....
(b)
Dechlorinafion ........................
5
(c)
Ozone ..............................
5
O
(d)
Radiation ..........................
TOTAL POINTS 83
adlkal 07; xt
CLASSIFICATION
WOW
Class1.......................................... ...- -.. 5 - 25 Points
Class 11....... - ............................... __ 26. 50 Points
Class III ...... _......................... _- __ —.. 51- 65 Points
--k-a-Class IV ....................... _............. 66- Up Points--� 1
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible
charge.
Facilities having an activated sludge process will be assigned
a minimum classification of Class It.
Facilities having treatment processes for the removal of metal
or cyanide will be assigned a minimum classification of Class If.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
Ill.
In -plant processes and related control equipment which are an
integral part of industrial production shall not be considered waste
treatment. Likewise, discharges of wastewater from residences
having a design flow of 1.000 gpd or less, shall not be subject to
rating.
ADDITIONAL COMMENTS: +
54.t is dal oyt eJ , 1[ ,tt>� - Nc►u IS, tJC}�CSG t(,r>tfo�l�hi
cFkd,� 1/°3 flu ,+t �►��pwl�5 (cwi 1 J
(404,x)t
KL) p1+4 OR kovl�qff 11-c L_ ht4 40i0
v(,r w( � Its A.[;I 4k wool idal pa,kls 7 �7 .
e � �C�t C +t�t J 0.2 �4t 4 ►� liGu i I D43 C 2IV of
Am �avt ke ti 4 row ci wv)t i ai it 4fl6l -