WQ0000962_Final Permit_19990507

S.
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Wayne McDevitt, Secretary
Kerr T. Stevens., Director
May 7, 1999
Mr. Michael D. Messer, Plant Manager
Culp Ticking (A Division of Culp, Inc.)
Post Office Box 488
Stokesdale, North Carolina 27357
Dear Mr. Messer:
ILF!W,A I
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A&4 I )
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT ANi) NATURAL RESOURCES
Subject: Permit No. WQ0000962
Culp Ticking (A Division of Culp, Inc.)
Wastewater Recycle System
Guilford County
In accordance with your application received January 15, 1999, we are forwarding herewith Permit No.
WQ0000962, dated May 7, 1999, to Culp Ticking (A Division of Culp, Inc.) for the continued operation of the
subject wastewater recycle system and abandonment/closure of two existing lagoons.
This permit shall be effective from the date of issuance until April 30, 2004, shall void Permit No.
WQ0000962 issued May 8, 1998, and shall be subject to the conditions and limitations as specified therein. Please
pay particular attention to the groundwater monitoring requirements and lagoon abandonment/closure requirements
provided for by Conditions Nos. 21 and 22, respectively, of this permit. Note that some of these requirements
differ from those in previously -issued permits. 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 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
[phone], extension 353.
S
Kerr T. Stevens
cc: Guilford County Health Department
Winston-Salem Regional Office, Water Quality Section
Winston-Salem Regional Office, Groundwater Section
Bob Cheek, Groundwater Section, Central Office
Technical Assistance and Certification Unit
Non -Discharge Compliance/Enforcement Unit
Leonhardt Environmental
Ms. Shannon Mohr Thornburg at
PO Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper

m
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
RECYCLE 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
Culp Ticking (A Division of Culp, Inc.)
Guilford County
FOR THE
continued operation of a 130,000-GPD wastewater recycle system consisting of a bar screen, a 3,650-gallon pump
tank with high water alarms and large solids removal (two Gorman -Rupp trash pumps with a float level switch), a
27,700-gallon equalization tank with a three -HP mixer, wastewater equalization and pH adjustment (a 100,000-
gallon equalization tank, floating downdraft mixer, acid metering pump, pH analyzer/controller, pH recirculation
pump, and appurtenances), dissolved air flotation system (a 400-GPM stainless steel DAF unit, a mixing pipe
flocculator with chemical injection, recirculation pump, stainless steel sparge tank and distribution manifold,
stainless steel sludge scraper, transfer pump, automatic DAF blowdown valve, magnetic flow meter, and
appurtenances), polymer containment mixing and metering (caustic pump, pH analyzer/controller, coagulant
metering gear pump, flocculant mix tank, flocculant tank mixer, flocculant metering gear pump), a 200-GPM pre -
assembled ClaRite Diatomaceous Earth Pressure Filter Unit with a 5,000-gallon filter feed pump station with 140-
GPM duplex pumps and a 45-SCFM pneumatic system, a 8,000-gallon sludge storage tank, a 0.5-meter belt filter
press, a 100,000-gallon finished water storage tank, an automatic control system, and all the necessary pipes,
valves, and appurtenances required for the proper operation of the system.
Approval is also given for the proper abandonment and closure of an existing 0.271-million gallon Iagoon and a
1.35-million gallon lagoon. Please note Condition No. 22 for the procedures for proper lagoon closure.
The above listed system serves Culp Ticking (A Division of Culp, Inc.), with no discharge of wastes to the surface
waters, pursuant to the application received January 15, 1999, and in conformity with the project plan,
specifications, and other supporting data subsequently filed and approved by the Department of Environment and
Natural Resources and considered a part of this permit.
This permit shall be effective from the date of issuance until April 30, 2004, shall void Permit No.
WQ0000962 issued May 8, 1998, and shall be subject to the following specified conditions and limitations:
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.

The facilities shall be properly maintained and operated at all times.
4. 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
(Division) accompanied by documentation from the parties involved and other supporting materials as may
be appropriate. The approval of the request will be considered on its merits and may or may not be approved.
5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the
Permittee shall take immediate corrective action, including those actions that may be required by this
Division, such as the construction of additional or replacement treatment or disposal facilities.
6. 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 Division.
7. 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.
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.
Diversion or bypassing of untreated wastewater from the treatment facilities is prohibited.
10. Any monitoring deemed necessary by the Division to insure surface and ground water protection will be
established and an acceptable sampling reporting schedule shall be followed.
11. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee to insure proper operation
of the subject facilities.
12. The Permittee or his designee shall inspect the wastewater recycle 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 or other
permitting authority, upon request.
13. Any duly authorized officer, employe. or representative of the Division mav, upon presentation of
credentials, enter and inspect any property, premises or place on or related to the recycle system 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.
14. The annual administering and compliance fee must be paid by the Permittee within 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).
15. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an
enforcement action by the Division in accordance with North Carolina General Statute 143-215.6A to 143-
215.6C.
16. 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.
17. A set of approved plans and specifications for the subject project must be retained by the Permittee for the
life of this project.

18. Noncompliance Notification:
The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number (336) 771-
4600, as soon as possible, but in no case more than 24 hours or on the next working day following the
occurrence or first knowledge of the occurrence of any of the following:
a. Any occurrence 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.;
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; 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 five 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.
19. Upon classification of the facility by the Water Pollution Control Systems Operators Certification
Commission (WPCSOCC), 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 WPCSOCC. The Permittee must also employ a certified back-up operator of the appropriate
type and grade to comply with the conditions of I5A NCAC 8A .0202. The ORC of the facility must visit
each Class I facility at least weekly and each Class 11, 111, 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 15A NCAC 8A .0202.
20. The Permittee, at least six 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.
21. Groundwater Monitoring Requirements:
a. Existing groundwater monitoring wells W-101, W-102, W-103, MW-107, MW-108, and MW-109 shall
be renamed, for the purposes of sampling and reporting, as MW-1, MW-2, MW-3, MW-4, MW-5, and
MW-6, respectively,
b. Existing groundwater monitoring wells MW-I, MW-2, and MW-3 shall be sampled every March, July,
and November for the parameters listed below:
Water Level pH
Iron Total Dissolved Solids (TDS)
Manganese Total Organic Carbon (TOC)
Nitrate Chloride
Volatile Organic Compounds (VOCs) - in November only

Existing groundwater monitoring wells MW-4, MW-5, and MW-6 shall be sampled annually for the
parameters listed below:
Chlorides pH
Iron TDS
Manganese Nitrate
VOCs shall be tested by one of the following methods:
i. Standard Method 6230D, PQL at 0.5 µg/L or Iess,
ii. Standard Method 6210, PQL at 0.5 µg/L or less,
iii. EPA Method 8021, Low Concentration, PQL at 0.5 µg/L or less,
iv. EPA Method 8260, Low Concentration, PQL at 0.5 µg/L or less, or
V. Another method with prior approval by the Groundwater Section Chief
Any method used for testing VOCs must meet the following qualifications:
i. The laboratory must be Division -certified to run the method used.
ii. The method used must, at a minimum, include all the constituents listed in Table Vlff of Standard
Method 6230D.
iii. The method used must provide a PQL of 0.5 gg/L or less, which must be supported by laboratory
proficiency studies as required by the Division's Laboratory Certification Unit. Any constituents
detected above the MDL, but below the PQL of 0.5 µg/L must be qualified (estimated) and
reported.
If any VOCs are detected by the methods listed, then the Winston-Salem Regional Office Groundwater
Supervisor must be contacted immediately at telephone number [phone] for further instructions
regarding any additional follow-up analyses required. The results of all initial and follow-up analyses
must be submitted simultaneously.
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 casing.
If a TOC concentration greater than 10 mg/L are detected in any downgradient groundwater monitoring
well, additional sampling and analysis must be conducted to identify the individual constituents
comprising the elevated TOC concentration. If the TOC concentration, as measured in the background
groundwater monitoring well exceeds 10 mg/L, this concentration will be taken to represent the
naturally -occurring TOC concentration. Any exceedanees of this naturally -occurring TOC concentration
in the downgradient groundwater monitoring wells shall be subject to the additional sampling and
analysis as described above.
The results of the sampling and analysis must be received on Form GW-59 (Groundwater Quality
Monitoring: Compliance Report Form) by the Groundwater Section, Permits and Compliance Unit, P.O.
Box 29578, Raleigh, North Carolina, 27626-0578 on or before the last working day of the month
following the sampling month.
c. Any additional groundwater quality monitoring, as deemed necessary by the Division, shall be provided_

d. The COMPLIANCE BOUNDARY for the recycle system is specified by regulations in 15A NCAC 2L,
Groundwater Classifications and Standards. The Compliance Boundary for systems individually
permitted after December 31, 1983 is established at either (1) 250 feet from the waste treatment area, or
(2) 50 feet within the property boundary, whichever is closest to the waste treatment 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 recycle system
midway between the Compliance Boundary and the perimeter of the waste treatment area. Any
exceedance of standards at the Review Boundary shall require remediation action on the part of the
Permittee.
22. Lagoon Closure Procedures:
a. The existing unlined earthen lagoons which are no longer used as part of the recycle system shall be
abandoned in accordance with methods and procedures described below and as approved by the Winston-
Salem Regional Office within 90 days of permit issuance. Documentation in the form of a Certification,
signed and sealed by a North Carolina -licensed professional engineer, shall be provided to the Division
attesting to the proper and permanent closure of these lagoons within 60 days of closure completion. Mail
the Certification to the Non -Discharge Permitting Unit, P.O. Box 29535, Raleigh, NC 27626-0535.
b. The following guidelines shall be met for closure of the two existing lagoons:
Sample the sludge in each lagoon in three locations (i.e., three sludge samples per lagoon).
ii. The following analytical procedures should be run on the sludge samples:
A. Toxicity Characteristic Leaching Procedure (TCLP) SW-846 EPA Method 1331 for
voIatiles, semi-volatiles, and metals,
B. Ignitability SW-846 EPA Method 1010/1020,
C. Reactivity EPA OSW, and
D. Corrosivity EPA Method 9045.
iii. If the lagoon does not have a liner, then the underlying soil material should be sampled in three
locations and analyzed for TLCP procedures as listed above. If the lagoon has a natural compacted
clay liner, then the clay liner should be sampled in three locations and analyzed for the TCLP
procedures as listed above. If the Iagoon has a synthetic liner, the soil material underneath the
synthetic liner should be sampled in three locations and analyzed for the TCLP procedures as listed
above. From a field sampling point of view, the sludge and underlying clay or underlying soil
material can be collected using a core barrel sampler for the shallow soils, where the core barrel is
driven into the sludge/clay/soil matrix and later extracted.
iv. If the sludge/clay/underlying soil material has TCLP concentrations that are above the TCLP
regulatory limits, the material is considered hazardous, the Hazardous Waste Section of the
Division of Waste Management should be contacted, and the material needs to be excavated.
If the sludge/clay/underlying soil material has TCLP concentrations that are below the TCLP
regulatory limits and below Groundwater 2L standards then the material may be left in place and
the lagoon closed without excavating the sludge.

vi. If the sludge/clay/underlying soil material has TCLP concentrations that are below the TCLP
regulatory limits but are above the Groundwater 2L standards, then there are two options as
follows:
A. Excavate the material that is above the Groundwater 2L standards, then proceed with
lagoon closure.
B. Perform predictive calculations that demonstrate that the vertical leaching of the
contaminant in question in the material will not cause an exceedance of Groundwater 2L
standards in the underlying surficial groundwater saturated zone. This calculation would
probably require the need of site characterization of the subsurface hydrogeologic
parameters of concern. The predictive calculation would need to consider vertical leaching
and subsequent mixing in the groundwater saturated zone.
vii. Once it is decided whether the sludge/underlying soil material can remain in place or needs to be
excavated, the following steps shall be followed:
A. Remove all water from the lagoons and dispose of properly,
B. Remove all inflow piping, etc. to the lagoons,
C. If the liner (clay or synthetic) is being left in place, it must be breached or ripped up to
allow water to infiltrate past the liner,
D. Remove the earthen berms and grade the area to match the surrounding topography, in
order to prevent water from accumulating and ponding, and
E. Add a vegetative cover to prevent soil erosion.
viii. If any land disturbing activity associated with the above procedures will affect more than one acre
of land, an erosion and sedimentation control plan must be approved by the Land Quality Section
of the Division of Land Resources. The North Carolina General Statute 113A-57(4) requires that
this plan be submitted at lease 30 days prior to beginning the land disturbing activity.
Permit issued this txp seventh day of May, 1999
r I'AL MANAGEMENT COMMISSION
--/-Kerr T. Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0000962
1.1

Permit No. WQ0000962
May 7, 1999
ENGINEER'S CERTIFICATION
Partial Final
i> , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project,
Project Name
Location and County
for the Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of
the construction such that the construction was observed to be built within substantial complianee and intent of this
permit, the approved plans and specifications. and other supporting materials.
Signature
Date
Registration No.

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FIGURE 1`
CULP TICKING
WASTEWATER RECYCLE SYSTEM
GUILFORD COUNTY
WQ0000962/GW99017
SITE LOCATION MAA

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FIGURE 2
CULP TICKING
WASTEWATER RECYCLE SYSTEM
GUILFORD COUNTY
WQ0000962ZGW99017
j::`. SITE DETAIL MAP

RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
ame of Facihly:
C,vner or Contact
N"ailing Address:
County:. - �u
Person: 171,,ee 1�14'4_71
_ �?A, l3oX s!k,� 57'ctlrsc>a/c �/1. - -2 srt
Telephone
D) C�� — 77S-/
Present Classification: New FacilityX Existing Facility
NPDES Per. No. NC00 Nondisc. Per. No.WQ QW0FL71 Health Dept.Per No.
Rated by: a7 ger4 Telephone: (�/I)77/-51fob Date: i7
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:
Central Office Telephone:
ORC: //'kr '6'Q ri Grade. Telephone: 91a l — 77S/
Check Classification(s): Subsurface Spra4 irrigation Land Application
Wastewater Classification: (Circle One) 1 It Ill IV Total Points:
DOM
�.► i'tr.. �a
S UBS URF ACE CLASSIF)C AT10N
(chec* all units that apply)
1. septic tanks
2, purnp-tanks
siphon or pump -dosing systems
4, sand fillers
5 grease trapinlerceptor
E oil water separators
7. gravity subsurface treatment and disposal:
a. pressure subsurface treatment and disposal:
SPRAY 1RR)GATXDNCLASS FICATON
(check all units that apply)
1.
preliminary treatment (delinhlcn no. 32 }
2.
tagoons
3.
septic tanks
4,
pump tanks
S.
pumps
6.
sand filters
7.
grease trapfinterceptor
8.
oillwater separators
9
disinfection
10.
chemicai addition for nutrienUalgae control
11.
spray irrigalion of wastewater
In addition to the above classifications, pretreatment of wastewater In excess of these components shsll
be rated using the point rating system and will require an operator with an appropriate dual certification.
LAND APPLICATION'RFSfBUA;_5 CLASSIF1CATiON (Applies only to permit holder)
1, Land application of biosofids, residuals or contaminated soils on a designated site.
----------------------------------------------------
WAST c *`lATER TREATMENT FACT LITY CLASSIFICATION
The following systems shalt 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 caw -by -case basis: (Check if Appropriate)
1. Oil/water Separator Systems consisting only of physics] separation, pumps and disposal;
2. Septic Tank/Sand Fitter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fitters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for
algae or nutrient control, and direct discharge;
4. Closed -loop Recycle Systems;
S. Groundwater Remediation Systems consisting only of oil/water separators, pumps, air -stripping, carbon adsorption, disinfection
and dispo .-J:
6. Aquacuriure operations with discharge to surface waters;
7. Water Plant sludge handling and back -wash water treatment;
8, Seafood processing consisting of screening and disposal.
9, Single-family discharging systems, with the exception of Aerobic Treatment Units, will be dassified if permitted after July 1,
1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such
systems will be nol'sfied of the classification or reclassification by the Commission, in writing.

-- • (I)
Port Aeration - cascade.............................................................................................................................. 0
diffused or mechanical........................................................................................................2
(m)
Reverse Osmosis.........................................................................................................................................5
(n )
Sand or Mixed -Media Fitters - low rate ............................ _.......................... ........... ........................................
highrate .......................................... ...—................... 4.5
{ o)
Treatment processes for removal of metal or cyanide .................... ................................ ............................ .-.1
(p)
treatment Processes tot removal of toxic rnaseriais other than metal or
15
(7) SUJCGE
TREATMENT
(a)
Sludge Digestion Tank • Heated (anaerobic)............................................................. _....... ........................
10
Aercbic,.................................................................... ..........----..........._................._...........................3
Unheated(anaerobic).......................................................... ............................ ............. .......... I ....... 1-1.
.... ... 3
(b)
Sludge S;abilizallon (chemical or themia!)........................................•..-----...-_..............................................5
(c)
Sludge Drying Beds - Gravity ......... ....................................... ..................................................... ..................
VacuumAssisted............................................................................................__......................................5
(d)
Sludge Elutrtatlon...................................................................---._.._....--.---...._........................................_5
(e)
Sludge Condhioner (chemical or"rrnaf)................................ ............................................... ...................
{f)
Sludge Thickener (gravity).........................................................................................................................
(g)
Dissolved Air Flotation Unit [not applicable to a unt rated as(3)(i)).............................................................8
(h)
Sludge Gas Utilization (including pas storage) ........... _..... ........... ........................................._...................2
(1)
Sludge Holding Tank - Aerated ............................... —..... —........................................ .. ........ .......................
Non -aerated ............................ .... —.................................................................................... ....................{�
{JJ
(k)
Sludge Incinerator (not Including activated carbon regenoration)................................................................
Vacuum Fuser, Centrifuge, or Filter Press or other similar dewaterinp deuces.. ......-...__........._..___._...._.._. t u
(a) RESIDJALS UTILI7ATIOWDISPOSAL (Including incinerated ash]
(a)
Lagoons................................................................................._...,............._..............................................2
(b)
Land Appiicalion (surface and subsurface) (see definition 22a)
by contracting to a Land application operator or landfill operator who holds the land application permit
(c)
orland'4 perrrtit........... ................................ ........................ .................................................. .................
Dedicated Landfill(budai) by the permitter of the wastewater treatmam facility ..._........._...._...-_._............
.5
(9) DiSNIFECTIZZIN
(a)
Chlorination......................................................... ....................... .......................................................... ..-5
(b)
Dechlorination.............................. ......................................................................................................... __5
(c)
Ozone ............. .............................................................................._.5
(d)
Radial!on_.............................. .-....... ...... ........... .....-............................................ .....................................
(1 0) CHEWCAL
ADDITION SYSTEM($) ( sae definhlon No. 9) [not applicable to chemical acidhsorts rated as hsm (3)(j),
(5)(a)(xi),
List/
(6)(a) (6)(b), (7)(b), (7)(e), (22), (9)(b) or (9)(c) 5 points each:
.................................................................................................................................
L
[�SY�
« SAY...................................................................................................................................
tc! rer........................................................................................... ....................
............................................................................... ...... ............. ....................... 3
(1 1) MLS; E1ANEOL S UNITS!'PRCCESSE
(a)
Holding Ponds, Holding Tanks or Settling Ponds lot Organic or Toxic NL;deriais Including wastes from mining
operations containing nitrogen o,Ip hcspphon c mhqunds Jn amoy'nib s' nifica ly greater than is common
for domestic wastewater...-.....� G�tP.. ...-.�d.G.!.?.3..."`�...lC..L 1. ��.t.±..................... I ...... ...........t
(h)
Et'luent Flow Equalization (riot applicable to storage basins selloff are inherent to lard a,plieatson systems).._
(t)
Stage Discharge (not applicable to storage basins inherent in land application .._.......
{ti]
Pumps ................ .............. ................................._....._..............................------------................_.................. 3
(e)
Stand -By Power Supply ....................... _.................................................................. ...........................
......
(1)
ThermaE PolMlon CoramI Device ......... ................. .................... _.----._..-.-.................. ...................................
TOTAL POINTS .......................... ............... _...............................
��
CLASSIFK�4TICN
ClamI ...................................................... ...................................... _............. 5-25 Points
ClassII ........ ................................ .._....--- ....... ........... ....._.......... .__._......-...-....26-SD Points
Class15......................................................................................._.__._..........51.65 Points
classfV........................................ ............................................... __...... .__..66-Up Points
-------------------------------------------------------------
Fac;ir.ies having a rating of one through four points, ineushye, do not require a carilfied operator.
Fati'i;i" having an ay, vaned sludge process will be assigned a minimum classiflaziJon of Class H,
Fa: 'r;es having irealment p.-xesses for the removal Of metal or cyanide will ba assigned a minimum class.'fration of Class 11,
Faci3lies having treatment procesrer for the biological removal of phosphorus will be assigned a minimum classtrc2l;om of Class 111.
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-DCX:4 DEFWITIONS
The lollowing delinitions shalt apply throughout this Subchapter.
(1) Acfhva;ed Carbon Beds. A physlcauchemical method for raducing soluble organic mwarfal from wastewater attluant; The column -type beds used in this
method wilt have a flow rate varying from two to eight gallons per minute per square foot end may be either upflow or downflow carbon beds. Carbon may or
may not be regenerated on the wastewater treatment plant she;
(2) Awaled Lagoons. A basin In which all solids are malntalned in suspension and by which biological oxidation or organic matter Is reduced through artificially
acaeleraled transfer of oxygen on a flow -through basis;
(3) Aeration A process of bringing about Intlmate contact between tit or high purity oxygen In a Liquid by spraying, aghation or d7nuslon;(3a) Extended
Aeration. An activated sludge process utilizing a minimum hydraulic deteniion lima of 13 hours.
(t) Agricuhurally managed she. Any site on which a crop Is Produced, managed, and harvested (Crop Includes grasses, grains, traps, etc.);
(5) Air Stripping. A process by which the ammonlum ion Is first converted to dissolved ammonia (PH adjustment) with the ammonia then released to the
atmosphere by physical means; or other similar processes which remove petroleum products such as benzene, toluene, and "no;
(6) Carbon Regenretatlom The regeneration of exhausted carbon by the use of a fumaee to provide extremely high temperatures which volatlltze and oxidize the
absorbed lmpurhisc;
(7) Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary' effluent emits;
(a) Camifuge. A mechanlca; device In "ch cemrffugal force Is used to separate solids from liquids or to separate liquids of dfferent dens`:as;
(9) Chemical Addhlon Systems- The addition of chemical(s) to wastewater at an application point for purposes of Improving solids removal, pH adjusiment,
eikalinhy conlrol, etc,; the capability to experiment with dMersni chemlcals and cWtereni application polnis 10 achieve ■ specific rseuh will be cansldered ores
system; the capability to add chemical(s) to dual units will be rated as are "tam; capabiihy to add a chemksl at a deferoni sppllcation points for ddisrent
purposes will resuh in the sydems being rated as separate sywtsms;
(10) Chemical Sludge Conditioning. The addhion of a chemical compound such as lima, ferric chlorlds, or a polymer to wet sludge to Coalesce the mass prior to
Its application to a ciewatering dev{cs;
(11) Closed Cycle Systems- IJse of holding ponds or holding tanks for eontalnmont of wastewater corazIning Inorg:nlc, na-rtoxlc materials from sand, gravel,
crushed store or other slmfLar operwlons. Such systems shall carry a mulmum of two points regardleca of pumping Iaeftles or any other Appunenances;
(12) Combined Removal of Carbonaceous BOD and Nitrogenous Removal by Nlir#taiion- A single stage system required to achieve permit effluent limhs on 800
and ammonia nlfrogen within the same biological reactor,
r.at TT.w nsiiW or meUt 0S n of mtSrii l �W...+. 1. . tL- W-.._-