WQ0004689_Final Permit_19960430

State of North Carolina
Department of Environment, IVA
Health and Natural Resources 4
Division of Environmental Management
a;j-
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary p E H N F=1
A. Preston Howard:, Jr., P.E., Director
April 30, 1996
Mr. Neil W. Blake, Jr.
American Skin Company
Post Office Box 1169
Wilmington, North Carolina 28402
Subject: Permit No. WQ0004689
American Skin Company
Non -contact Cooling and Washdown Waters
Wastewater Treatment and Evaporation/
Infiltration Ponds Facilities
New Hanover County
Dear Mr. Blake
In accordance with your application received October 25, 1995, we are forwarding herewith Permit
No. WQ0004689 dated April 30, 1996, to the American Skin Company for the continued operation of the
subject wastewater treatment and evaporation/ infiltration pond facilities. It is noted that treatment units that
were authorized under previous permits (original permit number 2346 issued .tune 6, 1972) are now being
reactivated. Please note this permit requires the proper maintenance and operation of all permitted treatment
and disposal units. Also, please note this permit requires the installation and sampling of a monitoring
well, and sampling of the lagoons and the water supply well. In addition, be advised, a permit
modification must be requested and obtained prior to any increase in wastewater flow being treated and
disposed of by the subject treatment system.
This permit shall be effective from the date of issuance until March 30, 2001, shall void Permit
No. WQ0004689 issued June 28, 1991, 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 have any questions concerning the Groundwater Conditions or groundwater monitoring
requirements, please contact Mr. Bob Cheek in the Groundwater Section at 919/ 715-6160. If you need
any additional information concerning this matter, please contact Mt 'John Seymour at [phone]
extension 546.
Sincerely,
C ��'PI
A. Prest Howard, Jr., P.E.
cc: New Hanover 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
TREATMENT, INFILTRATION/ EVAPORATION LAGOON 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
American Skin Company
New Hanover County
FOR THE
continued operation of a 7,800 GPD groundwater remediation facility consisting of a Sweco solids
separator shaker screen unit, an aerated grease and solids interceptor with mechanical skimmers, two
aerated treatment infiltration/ evaporation lagoons one 30,000 sq. ft. (2,5 million gallons storage) and the
other 22,000 sq_ft., a solid set weighted air diffusion tubing aeration system for each lagoon (Air -Aqua
systems), two flow meters, and all associated piping, valves, controls, and appurtenances to serve The
American Skin Company with no discharge of wastes to the surface waters, pursuant to the application
received October 25, 1995, and in conformity with the project plan, specifications, and other supporting
data subsequently filed and approved by the Department of Environment, Health and Natural Resources
and considered a part of this permit.
This permit shall be effective from the date of issuance until March 30, 2001, shall void Permit
No. WQ0004689 issued June 28, 1991, and shall be subject to the following specified conditions and
limitations:
I. PERFORMANCE STANDARDS
1. This permit shall become voidable if the soils under the infiltration lagoons 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.
2. 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.
3. 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.
4. Any 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
Environmental Management.

II.
5. Diversion or bypassing of wastewater from the treatment facilities is prohibited.
6. Freeboard in the infiltration/ evaporation lagoons shall not be less than two feet at any time.
OPERATION AND MAINTENANCE REQUIREMENTS
l . 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 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 Class I facility at
least weekly and each Class 11, 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. 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.
MONITORING AND REPORTING REQUIREMENTS
I . Any monitoring 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. The effluent flow from the subject facilities shall be monitored, by the Permittee, at the
point prior to discharge to the infiltration lagoons for the following parameters:
Parameter Sampling Point Sampling Frequency_ Type of Sample
Flow Effluent daily Recording
pH* Effluent biannually** grab
Oil & Grease Effluent biannually** grab
*The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard
units.
**Biannually sampling shall be conducted during January and July
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.
3. Three (3) copies of all effluent monitoring data (as specified in condition I11 2) on Form
NDMR-1 shall be submitted on or before the last day of February and August. All
information shall be submitted to the following address:
NC Division of Environmental Management
Water Quality Section
Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, N.C. 28405-3845
OA

IV.
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. Noncompliance Notification:
The Permittee shall report by telephone to the Wilmington Regional Office, telephone
number 9101395-3900 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
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 (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.
GROUNDWATER REQUIREMENTS
1. Within 90 days of permit reissuance, the infiltration lagoons contents will be sampled near
the bottom of the lagoons, and analytical results submitted to the Groundwater Section,
Permits and Compliance Unit, P.O. Box 29578, Raleigh, N.C. 27626-0578. The lagoon
shall be analyzed for the following parameters:
Water Depth in Lagoons
Total Dissolved Solids (TDS)
Chloride (Cl)
Total Phosphorous (P)
Fecal Coliforms
PH
Total Organic Carbon (TOC)
Nitrate (NO3-N)
Sulfate (SO4)
Ammonia Nitrogen
2. The American Skin Company Water Supply Well (named SWA) shall be sampled every
January and July for the following parameters:
Total Dissolved Solids (TDS)
Chloride (Cl)
Total Phosphorous (P)
Fecal Coliforms
PH
Total Organic Carbon (TOC)
Nitrate (NO3-N)
Sulfate (SO4)
Ammonia Nitrogen
Volatile Organic Compounds (VOC) - January only using Method 6230D,
(capillary - Column), "Standard Methods
For the Examination of Water and
Wastewater", 17th ed., 1989

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] Within 30 days of sample collection.
3. Within 90 days of permit issuance, a temporary monitor well (named TW-2) shall be
installed to monitor groundwater quality. The temporary 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 temporary well 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 Wihnington Regional Office, telephone number 910/ 395-3900 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. Arrangements will be made to take
split samples with the Wilmington Regional Groundwater Office Staff, if
the Regional Groundwater Supervisor so desires. 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.
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.
6. For the initial sampling of the well, as specified by permit condition IV.7 below, 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.
7. The temporary monitoring well (TW-2) shall be sampled after construction for the
following parameters:
Total Dissolved Solids (TDS) Total Organic Carbon (TOC)
Chloride (Cl) Nitrate (NO3-N)
Total Phosphorous (P) Sulfate (SO4)
Fecal Coliforms Ammonia Nitrogen
pH
Volatile Organic Compounds (VOC) - January only using Method 6230D,
(capillary - CoIumn), "Standard Methods
For the Examination of Water and
Wastewater", 17th ed., 1989
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] Within 30 days of sample collection.
8. If the temporary monitoring well (TW-2) sampling results do not exceed
groundwater quality standards as defined in 15A NCAC 2L .0202 (g), then
the monitoring well shall be abandoned according to 15A NCAC 2C .0113
in the Well Construction Standards 2C .0100.
4

9. If the temporary monitoring well (TW-2) sampling results show
exceedances above Groundwater Quality Standards as defined in 15A
NCAC 2L .0202 (g), then the TW-2 shall become a permanent monitoring
well and be named MW-2. Appropriate action shall be taken by the
permittee in accordance with the Corrective Action requirements as stated in
Groundwater rules 2L .0106. If a permanent monitoring well is required,
the following conditions shall be fulfilled:
9a. Within sixty (60) days of completion of all monitoring wells, the pemuttee 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 +/- 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.
9b. The maps and any supporting documentation shall be sent to the Groundwater Section,
N.C. Division of Environmental Management P.O. Box 29578 Raleigh, N.C. 27626-
0578.
9c. Monitor well MW-2 shall be sampled every January and July for the following
parameters:
Total Dissolved Solids (TDS) Total Organic Carbon (TOC)
Chloride (Cl) Nitrate (NO3-N)
Total Phosphorous (P) Sulfate (SO4)
Fecal Coliforms Ammonia Nitrogen
pH Water Level
Volatile Organic Compounds (VOC) - January only using 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.
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] Within 30 days of sample
collection.
If TOC concentrations greater than 10 mg/l 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 910/ 395-3900 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.
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
for the disposal system constructed prior to December 31, 1983 is established at either (1)
500 feet from the waste disposal area, or (2) at 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 groundwater recovery and treatment
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 Environmental Management or other permitting authority, upon request.
R

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 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.
V1. GENERAL _ CONDITIONS
Issuance of this permit does not constitute approval for reimbursement from the Leaking
Petroleum Underground Storage Tank Cleanup Funds (15A NCAC 2P).
2. 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.
3. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
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 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.
5. Any available sets of approved plans and specifications for the subject project must be
retained by the Permittce for the life of this project.
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 Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
7. 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).
8. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
9. A closure plan shall be submitted to and approved by the Division's Wilmington Regional
Office prior to ceasing operations of the subject treatment and disposal facilities.
7

10. The Pere -tee, 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 30th day of April, 1996
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
A. Preston Howard, Jr., P.E., Director /
Division of avironmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0004689

P, B
04.24.1996 09;20
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RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS
Name. of Facility:
Owner or Contact
Mailing Address:
County: L'A gC ".) HQ- .-C) ,J Q.a Telephone: -WtD _ tC4-, .5 Y,_�/ o -
Present Classification: New f='acility Existing Facility
NP.f1ES Per. No. NCOO Nondisc. Per. No.WQ ' 6q(wB` Health Dept.Per No.
Rated by: �,j_a� - Telephone:
Reviewed by: Health Dept.
Regional Office
Central Office
ORC: Grade:
Check Classification(s): Subsurface Spray Irrigation
Wastewater Classification: (Circle One) I r' II lii IV
Date:
Telephone:
Telephone:
Telephone:
Telephone:
Land Application
Total Points:
IN T PROCESSES AND RELATED GCNTROL EQUIPMENT WHICH ARE AN INTEGRAL PART OF INDUSTRIAL PRODUCTION SHALL
NOT BE CONSIDERED WASTE TREATMENT FOR THE PURPOSE OF CLASSIFICATION — ALSO SEPTIC TANK SYSTEMS CCf,ISISTING
SQN1.Y QF SEPTIC TANK AND GRAVITY NITRIFICATION LINES ARE EXEMPT FROM CLASSIFICATION.
SUBSURFACE CiASSi FICATION
(check all units that apply)
1, septic tanks
2. pump tanks
3. siphon or pump -dosing systems
4. sand fillers
5. grease lrapAnlerceptor
6, oil/water separators
7. gravity subsurface treatment and disposal:
8. pressure subsurface treatment and disposal:
SPRAY IRRr--AT)ON CLASSIFICATION
(check all units that apply)
1.
preliminary treatment (definition no. 32 )
2.
lagoons
3.
septic tanks
4.
pump tanks
5.
pumps
6.
sand fillers
7.
orease lrap/interceplor
8,
oil/waler separators
g.
disinfection
10.
chemical addition for nutrient/algae 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 dual certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Applies only to permit holder)
1. Land application of biosolids, residuals or contaminated soils on a designated site.
----------------------------------------------------------
WASTEWATER TREATMENT FACILITY CLASSIFICATION
The following systems shall be assigned a Class I classification, unless the flaw is of a significant quanlity or the technology is -
unusually complex, to require consideration by the Commission on a case -by -case basis: (Check V Appropriate)
1. Oil/water Separator Systems consisting only of physical separalion, pumps and disposal;
2. Septic Tank/Sand Filler Systems consisling only of septic tanks, dosing apparatus, pumps,sand filters, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary Irealment, lagoons, pumps, disinfection, necessary chemical
treatment for algae or nutrient control, and direct discharge;
4. Closed -loop Recycie Systems;
5. Groundwater Remediation Systems censisling only of pumps, air -stripping, carbon adsorption, disinfeclion and
disposal;
6. Aquaculture operations with discharge to surface waters:
7. Water Plant sludge handling and back -Hash water trealmer-.:
S. Sealood processing consisting of screening and disposal.
9. Singie-family discharging systems, with the exception of Ae,cbic Trealment Units, will be classified if permitted
after Judy 1, 1993 or if upon inspection by the Division, it is Icund that the system is not being adequately operaled
or maintained. Such systems will be nctilied of the ciassilicalion or reclassilicalion by the Commission, in writing.

points)
ITEM
POINTS
(1) Industrial Pretreatment Units or Industrial Pretreatment Program (see definition No. 33)...................................................4
(2) DESIGN FLOW OF PLANT IN gpd (not applicable to non -contaminated cooling waters, sludge handling
facilities
far water purification plants, totally closed cycle systerns(see definition No. 11), and facilities
consisting only of Item (4)(d) or Items (4)(d) and (11)(d)]
0 - 20,000...............................................................................I.......... .......... ...........................
20,001 - 50,000.....................................................................................................................................2
50.001 100,000...................................................................................................................................3
100,001 25 0,000...................._.............................................. .... ....................................................... A
250,001 - 500,000................................................................................................................. ..........5
500,001 - 1,000,000.............................................................................................................................8
1.000,001 • 2.000,000.................................................................................................................1.........10
2,000,001 (and up) rate 1 point additional for each 200,000 gpd capacity up to a
maximumof........................................................................30
Design Flow (gpd) i0 -5— C7
(3) PRELIMINARY
UNrrSIPROCESSES (see defintion No.32)
(a)
Bar Screens...............................................................................................................................................1
or
(b)
Mechanical Screens, Static Screens or Comminuting Devices..........................................................................2
(c)
Grit Removal..................._............................................................................................................. ......:1
or
(d)
Mechanical orAer..ted Grh Removal.............................................................................................................2
(e)
Flow Measuring Device................................................................................................................................1
or
{f)
Instrumented Flow Measurement................................................................................................................2
(g)
Preaeration..................................................................... ...........................................................................2
(h)
Influent Flow Equalization..........................................................................................................................2
(i)
Grease or Oil Separators - Gravity... ......................................................................... . ............... ................... 2
Mechanical............................................................................................................................................�
Dissolved Air Flotation................................................................................................................................
(])
Prechlorinalion---- ............................................ ................ ......................................................................... 5
(4) PRWARYTREATMENT LNITSIPROCESSES
(a)
Seplic Tank (see definition No. 43)...........................................................................................................2
(b)
Imholl Tank...............................................................................................................................................5
(c)
Primary Ctariliers..:.................................................................................................................................5
(d)
Settling Ponds or Settling Tanks for Inorganic Non -toxic Materials (sludge handling facilities for
water purification plants, sand, gravel, slope, and other mining operations sxcept recreational
acGviliessuch as gem or gold mining) .........................................................................................................2
(5} SECONDARY TREATMENT lklfTWPROCESSES
(a)
Carbonaceous Stage
(i} ABralion-High Purify Oxygen System...............................................................................20
DiffusedAir System.......................................................................................................10
Mechanical Air System fixed. floating or rotor ''
Y ( 9)............................................................... 8
SeparateSludge Reaeration............................................................................................3
Trickling Flier
HighRate..................................................................................... .......................:2
StandardRate .................. _............................................................................................5
Packed Tower.................... ............................... ............................................................. 5
(lii} Biological Aerated Filler or Aerated
Biological Flier.............................................................................................................10
(lY) Aerated Lagoons..........................................................................................................10
(v) Rotating Biological Contactors...................................................................................... 0
{vf) Sand Filters -intermittent biological..................................................................................2
Recirculating biological.....................................................................................................3
() Stabilization Lagoons .............................. ..5
(viii) Clarifier...........................................................................................................................5
(IX) Single stage system for combined carbonaceous removal of BOD and nitrogenous
removal by nitrification (sea definition No. 12){Points for this item have to be in
addition to Items (5)(a)('t) through (5){a)(viii),
utilizing the extended aeradon process (sae definition N0.3a)...........................................2
utilizing other Than the a�:lended aeration process............................................................8
(x) Nutrient addillons to enhance BOO removal...................................................................._.5
(xi) Biological Culture ('Super Bugs')addition........................................................................5
(b}
Nitrogenous Stage
(i) Aeration - High Purity oxygen System................................................_...........................20
Dillused Air System.......................................................................................................10
Mechanical Air System (fixed, Iloating or rotor)..................................................................8
SeparateSludge Reiteration.............................................................................................3
Trickling FiltBr-High Rate...................................................................................................7
StandardSale .................................. ....................... ................................... .................... 5
PackedTower.................................................................................................................5
Biological Aerated Filter or Aerated Biological Fiiier............................................................. i In
(Iv) Rotating Biological Corilaclors......................................................................................10
(v) Sand Filter - intermittent bio!ogical ............................
Recircuialingbiological.....................................................................................................3
(vi) ClaAi3r................... ...........5
{ 6) TERTIARY OR ADVANCED TREATM&1T UN1T&PRQCESSES
(a)
Activa!ed Carbon Bads -
withoul carbon regeneration....................................................................................................5
wild carbon rogenrsralion......... ......
(b)
Powdored or Granular Activate(; Carron Food•
wM10vt carbon ragenoralion..................................................................................................5
with carbon regeneration .................. ........... ................. ........ ............................................... i 5
{r)
Air strippirvg.... ..... ,.......... „••,5
ld)
DonitNJcation Procoss............................................................................................................................10
In)
Elect rad:alysis................
it)
foam Szosra;ion...................................................................... 5

.....................................................5
(})
Afwsphorous Ramovat by Biological Processes (See dolinillon No. 26).........................................................20 r
(k)
polishing Ponds - without aeration..................._........................................................................................2
withasrallon.................................................................................................................4
(1)
Post Aeration - cascade,
ascade..............................................................................................................................0
dillusedor mechanical............................................................................................... ...2
(m)
Reverse Osmosis. ...... ..........................................................................................................5
(n)
Sand or Mixed -Media Filters - low rate ................................................... .... ..... ...... ........... ...........................
highrate......................................................................5
(o)
Treatment processes for removal of meta) or cyanide...................................................................................1 5
(p)
treatment processes for removal of toxic materials other than metal or cyanide.............................................15
(7) SLt IDG
E TREATMENT
(a)
Sludge Digeslion Tank - Healed (anaerobic) ................... ..............................10
Aerobic............ ..................................... ............................................. ......................... I .............. I......
Unhealed (anaerobic).......................................................................... ........3
b
Sludge Stabilization chemical or thermal
(c)
Sludge Drying Beds - Gravity......................................................................................................................2
VacuumAssisted.....................................................................................................................::..............5
(d }
Sludge Elutrialion ....... ...............................................................................................5 ................ .... ..... .....
(s}
Sludge Conditioner (chemical or thermal).....................................................................................................5
(f)
Sludge Thickener (gravity)..........................................................................................................................5
(g)
Dissolved Air Flotation Unit (not applicable to a unit rated as(3)(1)).............................................................8
(h)
Sludge Gas Utilization (including gas storage) .............................. :....................................................... ....... 2
(i}
Sludge Holding Tank - Aerated...................................................................................................................5
Non -aerated ..................... ..... ... ......................,.............................,...............................2
0
Sludge Incinerator (not Including activated carbon regeneration)................................................................10
(k)
Vacuum Filter, Cenlfifugs, or Filler Press or other similar dewatering devices...................................................10
(S) RESIDUALS
U_MLIZATIONIDISPOSAL (including incinerated ash)
(a)
Lagoons. ............ .. ............ .._ . __..................................................................2
(b)
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land application operator or landfill operator who holds the land
application permit or landlill permit...................................................................................._...................._..2
(c)
Dedicated Landlill(burial) by the permillee of the waslewaler treatment Iacflfly..............................................5
(9) 0GNFiEcno 1
(a)
Chlorination.............................................................................................................................................5
(b)
Dechlorination...........................................................................................................................................5
(c)
Ozone.......................................................................................................................................................5
(d)
Radiation .................................................. ................................................................................................ 5
(10) CHEMICAL
ADDITION SYSTEM(S) ( see definition No. 9) [not appicable to chemical additions rated as Item
(3)(j),
(5)(a)(x'€). (6)(a), (6)(b). (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each:'
List......................................
......5
_... _.......... _.I ...... . .... ....................................................................... I..........................5
....................................................................................................................................5
........................................................................................................................5
(1 1) MISCEL ANECUS UNI SrPFtOCESSES
(a)
Holding Ponds, Holding Tanks or Settling Ponds for Organic or Toxic Materials including wastes
Irom mining operations containing nitrogen or phosphorus compounds in amounts significantly
greater than is common for domestic wastewater.........................................................................................4
(b)
Ellluent Flow Equalization (not applicable to storage basins which are inherent in land application
systems) .............._..................................................................-................................................................2
(c)
Stage Discharge (plot applicable to storage basins inherent in land application systems)...................................5
(d)
Pumps. .........................................................................................................................................3
(a)
Stand -By Power Supply .............................................................................................................................3
(I)
Thermal Pollution ControlDevice................................................................................................................3
TOTALPOINTS............
..............................................................
CLASSIFICATICN
ClassI.............................._.............._.........__...._......................................5-25 Points
ClassIL .................................. ................................................................... —.26.50 Points
Class]]I ............................................................ ................................... ......... 51-65 Paints
ClassN.......................................................................................................66-Up Points
Facilities having a rating of one through lour points, inclusive, do not require a cart -flied operator.
Facilities having an activated sludge process will be assigned a minimum classilicalion of Class II.
Facilities having treatment processes
for the rarnoval of metal or cyanide wilt be assigned a minimum classilication of Class 11.
Facilities having treatment processes for the biological mrno.al of phosphorus will be assigned a minimum classilicalion of Class Ill.
.000a REFINfT30h,1S
The lot€owing definitions slull apply lruoughotA Vs Subchapiar.
(1) Activated Carbon Bads. A physicallchomicaf rna:4d for redsrr-9 soluinla organic material from waslowalo: aMum% The eofunn-typo bids used in tris moosod will have
a flow rate varying lrom two to eight gallons per rrinlra per square tool &.Fd may be either upll r or downflow csroon bads. Carbon may or may not be reganeratad an VLio
wastewater Ireatmonl plant site;
(2) Aerated Lagoons. A basin in which all solids are rrlainlained in suspension and by which biological ozidaton or organic mariar is reduced through artificially accelerated
transfer of oxygen on a flow -through basis;
(3) Aeration. A process of Winging about intimale .ontael barrree air or Koh pvrily oxygen in a liquid by spraying, aylation or &Kusion;(3a) Extended Aerabon. An
activated sludge process Wlizing a rr nwrn hydravic dalenion zm.e of Ill ho..r s.
(4) Agriculluratly managed silo, Any silo on Which a Crop is plo'.v:ed, ma-_' gad, and hdrvestad (Crop mcljdas gasses. grau•.s, :025, e1C.);
(5) Air Stripping. A process by which the ammonium ion is first crvaned ,o ossowid ammonia (pH adjus:ran,) the ammcr,a e,en retaased to eta atmosphore by
C "1 manna; W Color sin -Oar prteossos w15ch rSniovu pa_-ota-_. peodJ-s such as benzene. toluene. aril aylene;
gon Regonoratiat The rogenera$or1 of orhausted carbon. c, .,e use cf a lurnace to provide oslromal) h_h tomparalures xhich volatlizu and oaid;zu Vm absorbed
ir. . .lio s-
(7) CarbranaCcOul Stage. A cage of wasluwalor voAlimir.: Oss•'y"io to a2M1ave 'secondary' orruenl I,mrss;
(9) Canvifuge. A mocr,anr.al desictr in wtic:i contnluga; forcg is _sae tj se^:.rase .ohds from 1,Wds or to £e:arata 1•gF,,ds of dr11a•eni donsicus;
191 Chemical AdWiZln
rj TIOFCi- T"•e a-Jd::m+, of the^..ica!;s1 to a• an appiicaacn pdrn }rx purfosa; J li,arCarsi spuds fen:e'ral, pH adlus bn=n:- aP.alrnlrY CCn:r CI,
ole._ the cepalldrry to e100nm,11 r...l dFlferi.nl c1.„rr.cz:s A: C :u atnio-,p a specd.E es_; _I ce can:;;alnd one srslum; r. o capat:;:irr 10 add