WQ0011038_Final Permit_19950818

t State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
August 18, 1995
Mr. Les Conner, Manufacturing Manager
Hoechst Celanese Corporation
Post Office Box 87
Shelby, North Carolina 28151-0087
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Subject: Permit No. WQ0011038
Hoechst Celanese Corporation
Shelby Plant
Land Application of Wastewater Residuals
Cleveland County
Dear Mr. Conner:
In accordance with your application received on May 12, 1995, we are forwarding herewith Permit
No. WQ0011038, dated August 18, 1995, to Hoechst Celanese Corporation for the operation of a
wastewater residuals land application program for an initial one time application of 4 million gallons of
biosolids and continued for 200 dry tons per year during the subsequent years.
This permit shall be effective from the date of issuance until June 30, 2000, and shall be subject to
the conditions and limitations as specified therein. Please pay particular attention to the monitoring and
reporting requirements contained in this permit. Failure to establish an adequate system for collecting and
maintaining the required operational information will result in future compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of
this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North
Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447,
Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding.
If you need additional information concerning this matter, please contact Ms. Carolyn D.
McCaskill at [phone] ext. 540.
Sincerely,
A. Prest Howard, J ., P.E.
cc: Cleveland County Health Department
EW R, Incorporated
Mooresville Regional Office, Water Quality Section
Mooresville Regional Office, Groundwater Section
Brian Wootton, Groundwater Section, Central Office
Training and Certification Unit
Facilities Assessment Unit
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

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
RESIDUALS LAND APPLICATION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Hoechst Celanese Corporation
Cleveland County
FOR THE
operation of a wastewater residuals land application program consisting of a one time application of 4
million gallons of residuals and consisting of the continued application of approximately 200 dry tons per
year of residuals from the Hoechst Celanese Corporation wastewater treatment facility- Shelby Plant to
approximately 257.2 acres of land in Cleveland County with no discharge of wastes to the surface waters,
pursuant to the application received on May 12, 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 June 30, 2000 and shall be subject to
the following specified conditions and limitations:
1. PERFORMANCE STANDARDS
l . The Mooresville Regional Office, telephone number [phone], and the appropriate
local governmental official (county manager/city manager) shall be notified at least twenty-
four (24) hours prior to the initial application of the residuals to a site so that an inspection
can be made of the application sites and application method. Such notification to the
regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00
p.m. on Monday through Friday, excluding State Holidays. In addition, the Cleveland
County Manager's office must be notified prior to the initial application so that they will be
aware that the operation has commenced.
2. This permit shall become voidable if the soils fail to adequately assimilate the wastes and
may be rescinded unless the sites are maintained and operated in a manner which will
protect the assigned water quality standards of the surface waters and ground waters.
3. The land application program shall be effectively maintained and operated as a non -
discharge system to prevent the discharge of any wastes resulting from the operation of this
program.
4. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwaters resulting from the operation of this program.

5. In the event that the land application program is not operated satisfactorily, including the
creation of nuisance conditions, the Permittee shall cease applying residuals to the sites and
take any immediate corrective actions as may be required by the Division.
6. Some of the buffers specified below may not have been included in previous permits for
this land application operation. However, any sites or fields that are included in this
permit, but were approved with different applicable buffers shall be reflagged to comply
with the below buffers. The following buffer zones shall be maintained:
a) 400 feet from residences or places of public assembly under separate ownership for
surface application method; however, the buffer zone requirement may be reduced to a
minimum of 100 feet upon written consent of the owner and approval from the
appropriate DEM regional office,
b) 200 feet from residences or places of public assembly under separate ownership for
subsurface residual injection method; however, the buffer zone requirement may be
reduced to a minimum of 100 feet upon written consent of the owner and the
appropriate DEM regional office,
c) 100 feet from any public or private water supply source, waters classified as SA or SB,
and any Class I or Class 11 impounded reservoir used as a source of drinking water for
both methods,
d) 100 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for surface application,
e) 50 feet from any streams classified as WS or B, any other stream, canal, marsh or
coastal waters and any other lake or impoundment for subsurface application,
f) 100 feet from property lines for both surface and subsurface application methods;
g) 50 feet from public right of ways for both application methods,
h) 10 feet from upslope interceptor drains and surface water diversions for both
application methods,
i) 25 feet from downslope interceptor drains, surface water diversions, groundwater
drainage systems and surface drainage ditches for both application methods.
7. A copy of this permit shall be maintained at the land application site when residuals are
being applied during the life of this permit_ A spill prevention and control plan shall be
maintained in all residuals transport and application vehicles.
S. Specific residual application area boundaries shall be clearly marked on each site prior to
and during application.
9. No residuals at any time shall be stored at any application site, unless approval has been
requested and obtained from the Division of Environmental Management.
10. Maximum slope for residual application shall be 10% for surface application and 18% for
subsurface applications.
11. When wastewater residuals are applied, the Class B pathogen requirements as defined in 40
CFR Part 503 or the Process to Significantly Reduced Pathogens (PSRP) as defined in 40
CFR Part 257 Appendix II. Additionally, an evaluation must be performed which
demonstrates the residuals ability to comply with this requirement_ Upon request, a copy
of this evaluation must be submitted including all test results and calculations.
2

II. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities and application sites shall be properly maintained and operated at all times.
2. A suitable vegetative cover, as listed in condition II 4, shall be maintained in accordance
with the crop management plan outlined by the local Extension Office of the Department of
Agriculture, or the Soil Conservation Service, or other agronomist, and approved by this
Division.
3. An acceptable pH must be maintained in the soil, residual and lime mixture, greater than
6.0, on all land application sites to insure optimum yield for the crop(s) specified below.
The agronomist shall provide information on the pH best suited for the specified crop and
the soil type.
4. The application rates shall not exceed the following for the specified crops:
Crop PAN (IbIggre/yr.)
Alfalfa
200
Bermuda Grass (Hay, Pasture)
220
Blue Grass
120
Corn (Grain)
160
Corn (Silage)
200
Cotton
70
Fescue
250
Forest (Hardwood & Softwood)
75
Milo
100
Small Grain (Wheat, barley, oats)
100
Sorghum, Sudex (Pasture)
180
Sorghum, Sudex (Silage)
220
Soybeans
200
Timothy, Orchard, & Rye Grass
200
5. No residuals other than the following are hereby approved for land application in
accordance with this permit:
Permit Estimated
Source County Number Volume (dry tons/ye r
Hoechst Celanese Corporation WWTP Cleveland NCO004952 200
Hoechst Celanese Corp. WWTP Cleveland NCO004952 4 million gallons
v * One time application, removal from lagoons
6. The lifetime heavy metal loadings shall not exceed the following for the corresponding
Cation Exchange Capacities (CEC):
Lifetime Loadings flbs/ac
Paramete
CEC < 5
CEC 5- 15
CEC> 1
Lead
500
1000
2000
Zinc
250
500
1000
Copper
125
250
500
Nickel
125
250
500
Cadmium
4.5
9
18

7. Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified land application/residuals operator to be in responsible charge (ORC) of
the land application program. The operator must hold a certificate of the type classification
assigned to the land application program by the Certification Commission. The Permittee
must also employ a certified back-up operator of the appropriate type to comply with the
conditions of Title 15A NCAC 8A, .0202.
8. Adequate procedures shall be provided to prevent surface runoff from carrying any
disposed or stored residuals into any surface waters_
9. Surface applied residuals will be plowed or disced within twenty-four (24) hours after
application on lands with no cover crop established.
10. For areas that are prone to flooding or within the 100-year flood elevation, residuals may
be applied only during periods of dry weather. The residuals must be incorporated into the
soil within twenty-four (24) hours after application.
11. Appropriate measures must be taken to control public access to the land application sites
during active site use and for the 12-month period following the last residual application
event. Such controls may include the posting of signs indicating the activities being
conducted at each site.
12. Adequate provisions shall be taken to prevent wind erosion and surface runoff from
conveying pollutants from the residuals application area onto the adjacent property or into
any surface waters.
13. Residuals shall not be applied in inclement weather or until 24 hours following a rainfall
event of 1/2-inch or greater in 24 hours. Any emergency residuals disposal measures must
first be approved by the Division of Environmental Management.
14. Residuals shall not be applied to any land application site that is flooded, frozen or snow-
covered.
15. Residuals shall not be applied at rates greater than agronomic rates, unless authorized by
the Division.
16. Animals shall not be grazed on an application site for 30 days after residuals application.
Application sites that are to be used for grazing shall have fencing that will be used to
prevent access after each application.
17. Food crops, feed crops and fiber crops that to not-comt-in contact with the residuals shall
not be harvested for 30 days after residuals application.
18. Food crops with harvested parts that touch the residual/soil mixture and are totally above
the land surface (ex. tobacco, melons, cucumbers, squash, etc.) shall not be harvested for
14 months after residuals application.
19. Food crops with harvested parts below the surface of the land (root crops such as potatoes,
carrots, radishes, etc.) shall not be harvested for 20 months after application of residuals
when the residuals remain on the land surface for four (4) months or longer prior to
incorporation into the soil.
20. Food crops with harvested parts below the surface of the land shall not be harvested for 38
months after application of residuals when the residuals remain on the land surface for less
than four (4) months prior to incorporation into the soil.
4

21. Turf shall not be harvested for 1 year after residuals application if the turf is to be placed on
land with a high potential for public exposure.
III. MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, residuals, soil, or plant tissue
analyses) deemed necessary by the Division of Environmental Management to insure
protection of the environment will be established and an acceptable sampling and reporting
schedule shall be followed.
2. Proper records shall be maintained by the Permittee tracking all application activities.
These records shall include, but are not necessarily limited to the following information:
a. source of residuals
b. date of residual application
c. location of residual application (site, field, or zone #)
d . method of application
e. weather conditions (sunny, cloudy, raining, etc.)
f . soil conditions
g. type of crop or crops to be grown on field
h_ volume of residuals applied in gallons/acre, dry tons/acre or kilograms/hectare
i. annual and cumulative totals of dry tons/acre of residuals, annual and cumulative
pounds/acre of each heavy metal (which shall include, but not be limited to cadmium,
copper, lead, nickel, and zinc), annual pounds/acre of plant available nitrogen (PAN),
and annual pounds/acre of phosphorus applied to each field.
3. A representative annual soils analysis (Standard Soil Fertility Analysis) shall be conducted
of each site receiving residuals in the respective calendar year and the results maintained on
file by the Permittee for a minimum of five years.
The Standard Soil Fertility Analysis shall include, but is not necessarily limited to, the
following parameters:
Acidity
Calcium
Copper
Magnesium
Base Saturation (by calculation)
Cation Exchange Capacity
Manganese Potassium
Percent Humic Matter Sodium
pH Zinc
Phosphorus
The Standard Soil Fertility Analysis (see above) and an analysis for the following metals
shall be conducted once prior to permit renewal on soils from each site which has received
sludge during the permit cycle.
Cadmium Lead Nickel
4. A residuals analysis will be conducted quarterly from the date of permit issuance by the
Permittee and the results maintained on file by the Permittee for a minimum of five years.
This analysis will occur on the 4 million gallons to be applied until complete. At such time
the requirement of monitoring will switch to number 5 of this section. If land application
occurs at a frequency less than annually, a residuals analysis will be required for each
instance of land application. The residuals analysis shall include but is not necessarily
limited to the following parameters:
Cadmium Nitrate -Nitrite Nitrogen
Copper % Total Solids
Lead pH
...Continued on next page

Nickel
Phosphorus
Zinc
Plant Available Nitrogen (by calculation)
Aluminum
Potassium
Ammonia -Nitrogen
Sodium
Calcium
TKN
Magnesium
5. A residuals analysis will be conducted annually from the date of permit issuance by the
Permittee and the results maintained on file by the Permittee for a minimum of five years.
This analysis will occur on the 200
dry tons per year produced at the facility. If land
application occurs at a frequency less than annually, a residuals analysis will be required
for each instance of land application. The residuals analysis shall include but is not
necessarily limited to the following parameters:
Cadmium
Nitrate -Nitrite Nitrogen
Copper
% Total Solids
Lead
pH
Nickel
Phosphorus
Zinc
Plant Available Nitrogen (by calculation)
Aluminum
Potassium
Ammonia -Nitrogen
Sodium
Calcium
TKN
Magnesium
6. A Toxicity Characteristics Leaching Procedure (TCLP) analysis shall be conducted by the
Permittee annually. The TCLP analysis shall include the following parameters (please note
the regulatory level in mg/L in parentheses):
Arsenic (5.0)
Barium (100.0)
Benzene (0.5)
Cadmium (1.0)
Carbon tetrachloride (0.5)
Chlordane (0.03)
Chlorobenzene (100.0)
Chloroform (6.0)
Chromium (5.0)
o-Cresol (200.0)
m-Cresol (200.0)
p-Cresol (200.0)
Cresol (200.0)
2,4-D (10.0)
1,4-D ichl oro benzene (7.5)
1,2-Dichloroethane (0.5)
1,1-Dichloroethylene (0.7)
2,4-Dinitrotoluene (0.13)
Endrin (0.02)
Heptachlor (and its hydroxide) (0.008)
Hexachlorobenzene (0.13)
Hexachloro-1,3-butadiene (0.5)
Hexachloroethane (3.0)
Lead (5.0)
Lindane (0.4)
Mercury (0.2)
Methoxychlor (10.0)
Methyl ethyl ketone (200.0)
Nitrobenzene (2.0)
Pentachlorophenol (100.0)
- Pyridine (5.0)
Selenium (1.0)
Silver (5.0)
Tetrachloroethylene (0.7)
Toxaphene (0.5)
Trichloroethylene (0.5)
2,4,5-Trichlorophenol (400.0)
2,4,6-Trichlorophenol (2.0)
2,4,5-TP (Silvex) (1.0)
Vinyl chloride (0.2)
7. All residuals included in this permit must be monitored quarterly (for the 4 million gallons
of one time aplication) and annually (for the continued 200 DT/year) from the date of permit
issuance, for compliance with condition 111 of this permit. Data to verify stabilization of
the residuals must be maintained by the Permittee. The required data is specific to the
stabilization process utilized, but should be sufficient to clearly demonstrate compliance the
Class B pathogen requirements as defined in 40 CFR Part 503 or the Process to
Significantly Reduced Pathogens (PSRP) as defined in 40 CFR Part 257 Appendix 11.
6

8. Three copies of all required monitoring and reporting requirements as specified in
conditions III 1, III 2, III 3, III 4, 1115, III 6, and III 7 shall be submitted annually on or
before March 1 of the following year to the following address:
NC Division of Environmental Management
Water Quality Section
Facility Assessment Unit
PO Box 29535
Raleigh, NC 27626-0535
9. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, telephone
number [phone], as soon as possible, but in no case more than 24 hours or on the
next working day following the occurrence or first knowledge of the occurrence of any of
the following:
a. Any occurrence with the land application program which results in the land application
of significant amounts of wastes which are abnormal in quantity or characteristic.
b . Any failure of the land application program resulting in a release of material to receiving
waters.
c. Any time that self -monitoring information indicates that the facility has gone out of
compliance with the conditions and limitations of this permit or the parameters on
which the system was designed.
d. Any process unit failure, due to known or unknown reasons, that render the facility
incapable of adequate residual treatment.
e. Any spillage or discharge from a vehicle or piping system transporting residuals to the
application site.
Persons reporting such occurrences by telephone shall also file a written report in letter
form within 15 days following first knowledge of the occurrence. This report must outline
the actions taken or proposed to be. taken to ensure that the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in
15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is
for the disposal system constructed after December 31, 1983 is established at either (1) 250
feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is
closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or
beyond the Compliance Boundary is subject to immediate remediation action in addition to
the penalty provisions applicable under General Statute 143-215.6A(a)(1).
In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is. established around the
disposal systems midway between the Compliance Boundary and the perimeter of the
waste disposal area. Any exceedance of standards at the Review Boundary shall require
remediation action on the part of the permittee.
2. Any groundwater quality monitoring, as deemed necessary by the Division, shall be
provided.
7

V.
VI.
INSPECTIONS
1. The Permittee or his designee shall inspect the residuals storage, transport, and application
facilities to prevent malfunctions and deterioration, operator errors and discharges which
may cause or lead to the release of wastes to the environment, a threat to human health, or a
nuisance. The Permittee shall maintain an inspection log or 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 five years from the date of the inspection and shall be made available to the
Division of Environmental Management or other permitting authority, upon request.
2. Any duly authorized officer, employee, or representative of the Division of Environmental
Management may, upon presentation of credentials, enter and inspect any property,
premises or place on or related to the application site or facility at any reasonable time for
the purpose of determining compliance with this permit; may inspect or copy any records
that must be kept under the terms and conditions of this permit; and may obtain samples of
groundwater, surface water, or leachate.
GENERAL CONDITIONS
1. This permit shall become voidable unless the land application activities are carried out in
accordance with the conditions of this permit, the supporting materials, and in the manner
approved by this Division.
2. This permit is effective only with respect to the nature and volume of wastes described in
the application and other supporting data.
3. This permit is not automatically transferable. In the event that there is a desire for the
facilities to change ownership or a name change of the Permittee, a formal permit request
must be submitted to the Division of Environmental Management accompanied by an
application fee, documentation from the parties involved, and other supporting materials as
may be appropriate. The approval of this request will be considered on its merits and may
or may not be approved.
4. The following are approved sites for residuals application (see attached map(s)):
Application Area [acres]
Site No. Owner[Lessee (excluding buffers)
HCS1-1 Bobby Crawford
22.0
HCS 1-2
12.6
HCS 1-3
8.4
HCS1-4
8.5
HCS1-5
7.0
HCS 1-6
4.5
HCS1-7b
14.3
HCS1-8
6.9
HCS 1-9b
5.8
HCS2-1 Steve Sarratt
5.7
HCS2-2
15.2
HCS2-3
4.9
HCS2-4a
11.2
...Continued on next page

HCS2-5
12.6
HCS2-6
26.0
HCS2-7
43.7
HCS3-1 Patricia Austell
22.0
HCS3-2
5.4
HCS4-1 Buford Ellis
25.0
TOTAL AVAILABLE ACRES 257.2
a Subsurface injection or surface with incorporation.
b Please note, these sites are in close proximity to residences. The Division will allow
surface application since it is noted these fields will be maintained in pasture land,
however the company must operate this program to prevent any nuisance conditions.
5. FaiIure to abide by the conditions and limitations contained in this permit may subject the
Permittee to an enforcement action by the Division of Environmental Management in
accordance with North Carolina General Statute 143-215.6(a) to 143-215.6(c).
6. The annual administering and compliance fee must be paid by the Permittee within thirty
(30) days after being billed by the Division. Failure to pay the fee accordingly may cause
the Division to initiate action to revoke this permit as specified by 15 NCAC 2H .0205
(c)(4).
7. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
8. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its
extension. Upon receipt of the request, the Commission will review the adequacy of the
facilities described therein, and if warranted, will extend the permit for such period of time
and under such conditions and limitations as it may deem appropriate.
9. This permit may be modified, or revoked and reissued to incorporate any conditions,
limitations and monitoring requirements the Division of Environmental Management deems
necessary in order to adequately protect the environment and public health.
10. This permit shall become voidable unless the agreements between the Permittee and the
landownersllessees are in full force and effect. The land owner agreements are considered
expired concurrent with the expiration date of the permit and must be renewed at the same
time the permit is renewed_
Permit issued this the Eighteenth day of August, 1995
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
0 a .t, iD,) c,Cc,,�AL X .
A. Preston oward, Jr., P. ., Director
Division of rivironmental Management
By Authority of the Environmental Management Commission
Permit Number WQ0011038

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BOBBY CRAWFORD
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RATING SCALE FOR CLASSIFICATION •OF WATER POLLUTION CONTROL SYSTEMS
Name of Facility:
10
-1-9) r-�
Owner or Contact person:
Mailing Address: fG
County: r��`�C�/IDC Telephoner
Present Classification: New Facility Existing Facility
NPDES Per./ o. NO Nondisc. Per. N C(XYJ(IG3 lealth Dept, Per. N
Rated by: Tl , jr_-� r Telephone: _ -'-/ � Date:
Reviewed by: Health Dept. Telephone:
Regional Office Telephone:.
Central Office Telephone:
ORC: Grade: Telephone:
Check Classification(s): Subsurface Spray Irrigation LandApplication�_
Wastewater Classification: (Circle One) 1 II III IV Total Points:
M;ft*CjXW- jail
.t •aA X _ _ i.. . - �, y �� _•.. ��
SUE —SURFACE CLASSIFK:ATION
(check al! units thal apply)
1—septic tanks
2 pump tanks
3. siphon or pump -dosing systems
4 sand fillers
5—grease IrapArtlerceptor
6. oil/water separators
7 subsurface treatment and disposal
oravily
pressure
SPRAY IRRIGATION CLASSIFICATION
(check all units that apply)
1—preliminary
treatment (definition no. 32 )
2
lagoons
3.
septic tanks
4_
pump tanks
5.
pumps
6.
sand filters
7—grease
trapinlerceptor
e
oil/water separators
9.
disinfection
10.
chemical addition for
nutrient/algae control
11.
spray irrigation of wastewater
Pretreatment of wastewater In excess of these components shall be rated using the point rating
system and will require an operator with an appropriate duel certification.
LAND APPLICATION/RESIDUALS CLASSIFICATION (Appries only to permit holder)
1. _ Land application of biosolids, residuals or contaminated soils on a designated site.
WASTEWATER TREATMENT FAGLITY CLASSIFKATION
The following systems shall be assigned a Class I classification, unless the flow is of a significanl quantity or the technology is
unusually complex, to require consideration by the Commission on a case -by -case basis: (Check If Appropriate)
1 Oil/water Separator Systems consisting only of physical separation, pumps and disposal;
2. Septic Tank/Sand Filter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fillers, disinfection
and direct discharge;
3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinlection, necessary chemical
Ireatmenl for algae or nutrient. control, and direct discharge;
4. Closed -loop Recycle Systems:
5. Groundvater Remedialion Systems consisting only of pumps, sir -stripping, carbon adsorption, disinfection and
disposal;
6. Fish farms with discharge to surface waters;
7. Water Plant sludge handling and bad' -wash water treatment;
6. Seaford processing consisting of screening and disposal.
9. Single-family discharging systems wish the exception of Aerobic Treatment Units, will be classified it permitted after
July 1, 1993 or it upon inspection by the Division, It is found that the system is not being adequately operated or
rnaintained. Such systems will be notified of the classification or reclassification by the Commission, in writing.

The following scale is used for sating wastewater treatment facilities: (circle appropriate
points)
REM
POINTS
(1) hduxlrW Prrinurrwrti Unfit or Wirtu al Protraatrrranl Program (sea daflrtlt)on No. 33). ------ - -•-••-•-.-•--A
(2) DE.=iGN FLOW OF PLANT IN Qpd (no7 applicable to non-c muamfnalod wo" wearers, sludge hsrrding
("14iea
for crater purification planes, totally cased eyele syslons(sea dafinhiorr No. 11). and Bae+litiet
6unslsting only of hem (4)(d) or items (4)(d) and (11)(d))
•..1
20,001 - 60,000
50,001 100,000..
250.D01 - 6D0.0D0..__
600,001 1,00D.00n �_ _
---•�
1,00D,001 2,00D,0D0..
2.000,001 (and up) eels 1 point additional for each 200.000 ppd rapacity up So a
Waximiurn of
Design Flow (gpd)
{3] PFicJilYvARYI�+iriSrPFi'aCESSES(Wde5r1Yi0rrl�iD.32)
(a)
ear5creera_._��
or
(b}
Mechanical Screens, Static Screens or Coftrn1n ring Dov)css
.2
(c)
GrtRe"coral
or
(d}
IMehanicalorAeraiedGrit Removal .,..-------------.
{s)
Flow ideasurirg Device
or
(f)
Instrumented Flow LNtsuremant
(0)
Pre aeration_
(h)
Bnfluarc Flow
(1)
Greats or Oil Separators - Gravlty
Mechanical. .........
_.....3
Disaohwd Air
I))
Prechksrinalbn.
(4) PPArARYTREATMB',riWITSWOCESSES
(a)
Septic Tank (see deiiniiion No. A3)
( b )
imholf Tank.
(c}
Primary ClsrNiars..._................................. --........... _........................... .�.._.....
.......„3
(d)
Settling Ponds or Settling Tanks for Inorganic Non-loxlc Materials (sludge handling faeiliiies for .
wail: pwilicalion plants, sand. gravel, stone, and otter mining operations except recreational
aelivhiss such as Ram or gold
{5) SEr�'�y,RYTR�TM�v7tNii5rPFi�C�ES
[aJ
ca bortacaous Slave
N Aeraton-li'rgh Purity Oxygen ....._..................-._...-_.20
Dltlusad Air System......
Mechanical Air System (lixad, lloating or rplOr)«... «._. ......._. »..» ».»..._.... _ ...,b
.Separate Sludge Roaaralion......... ...... ...... ................................._..............................»...9
(II) TridJing Fcaer
High
Standard Rat@.„..... _ -.. _ «. ».__... __ � .-.�. _` _._ _......_...........
.....5
Packed Tower......................
m) eiofolral Aerated Fiber or As rated
Sjobgi:al Fiber ..............._.-............ ............ ....» »._» ... ».. „.... _..........
...... ..... 10
(iv} Aerated lagoons................. ..... _ ... _.......... ...... ...««...... ............................
I D
(v) Routing Biological
(vi) Sand Filters -Warmiusni biological.
Recirculating
(v)i) Stsbilizalion
(vui) Cttrtisr_._. ..... .... .... �...
.«._ _...3
{ix} Singes stage syslem for combined carbonacreous rernovai of SOD and Nirogenous
removal by hitrilication (tee dolinhion No. 12)(Polnis for this ham have to be in
addition to Items (5)(a)(i) Through
utilizing the extended aeration process (sat delinition No3a)
utilizing other than the exisnded aeration process.. .�
(x) Nutrient additions to enhance BOD
(xi) Biological Culture ('Super Bups'}sddnbn. -.._.._..........._.........._..._..........5
(b)
Nitrogenous S1121
((} Aeration • High Purity Oxygen System...,...._........ «.. _...._.__......................_.........20
DiffusedAir System .................. ... ._.................... ..,...............
...... _.... 10
Mechanical Air System (fixed, Boating or
Seperata Sludge Ruerasion........................
(ii) Trickling Filler-Kgh Rau ......................... ».. r __....�.... .. _... 7
Standardflat* ....... »........................................... »...».»...................... «..........
„..3
PackedTower......................„.................................. ........ ...... _.... _............ ...._........ . .5
Siolo&al Aerated Flier or Aerated Biological Fiiur.„_,.._._...:......_.......................«_.__..,,10
(iv) Rotating Biological Contanors......_ ......„.......... ........»........................_...........10
(v) Sand flier . intarminers biologieal.. »... .� ..._._... ....... .. » ..............»..
..._.._..2
Recirculating biological,.....r................_....—....-.......--.-............_.....--.....-..—..-..3
(vi) Cruifsr............................ _... ... _ . __........ ,....... ..
»....„.3
(6) TERTNRYORADvA".IEDTREA7ABgTLUrT$*Fc]CMES
(s )
Acfiwaied Carbon Sods
without carbon regeneratlon....... ............. .............................................................................6
with carbon regeneration .................... ..... ........ ......... .... .............................. ...........
....... 15
(b J
Powdered or Granular Arxivaled Carbon Feed.
withoul carbon ngeneraiion.. .._ .... ..„... _.._.__�.....`.� .._ _ ...__.._..3
with carbon regeneration ............. ..................... _.............1
5
(r)
Air stripping.....-............._......_........................._._..........„......_..._.........__..._.................-........................3
(6)
Denirriltcatron Prosess..................................... .............................. _.............. ....... ................................
10

(0)
ElacKrodalysls
- - --•S
If)
Foam Saparetion .._._--
(0)
Son Exchange __ ... ....
—.is
(h)
Land Application of Treated Effluent (gas dafrnhion W. 22b) (not applicable for nand.
ravat, slain and other almliar mining "MILimta) by high sale WAration.—__—.
(1)
croscreens
(1)
Phosphorous Rarrtovaf by Siobgi=l Proaegws
(k)
Polishing Ponds - without asratfon
2
with aaralion.
(1)
Post Aeration - Cascade
�D
Musedormadtarkall
(m)
Reverse Osmosls......_..»
(n)
Sand or Wxed•Mildia Filters - low rate
Itigh
(0)
Tieatntentproosessmfor ternscivalofirlaistoreyartlde..»
(p)
treatment promses for rarnoval of toxic materials other Ow wMal or eyarlido
—15
(7}
& I ETPZATMB%lr
(a)
Swdge Digssiion Tank -homed
A&rob)e I6
unhealed a
(b)
Sludge Stabtlbation (dumicaf or Ihemtalj�
(c)
Sludge Drying Beds - Gr rAy__
Vacuum AssWsd.....-.
1 d)
Sludge Elutrlation _........_.,-.... __
(a)
Sluespa Conditioner (chemical or 1Mnnal)
.5
(1)
Sludge Thickener (gravlly)..-..,._..
__.5
(g]
Dissolved Au Flotation Unh (not applicable to a unit rated as (3)(q)_.._
(h)
Sludge Gas Utilization ('including pat storage)
2
(1)
Sludge Holding Tank - Asraled.
s
())
Sludge 0dro afor (no, Inlduding aclivalittd carbon
(k)
Vacuum Fitter, Centrifuge, or Fthsr press or other similar tdewatsrWq dwices- _
10
(a)
RESIDUALS LULEZAT1Or+1rDISPOSAL(hduduVlrrirrerurdash)
(a)
Lagoons.
(b )
Land Application (surface and subsurface) (see definition 22a)
by contracting to a land appl"iion operator at landtill operator who holds the Land
application permh or landfill psrmli.. _ .. ..............
(c)
Dedicated L.andliff{burial) by Ilts pemthise o1 the wastewater Iremmenl Iacllhy__,•..
5
(c)
DWECTEN
(a)
Chbrination�«. .. «.._..».. ._ «.........« .. _ ..... » «. ._
.«. ». »�„S
(b]
DerAlarinalion„_.......»..,..�._.,—„»_...�_......._..`..._....«....�...,..._.«.�«...«�............................._.......—_S
(d)
Radiation.
(10)
CHEMICAL ADDITION SYSTEM(S) ( sae Idelihftion W. g) (rot applicable to chemical additions rated as hem
(3)()), (5}(a}(xl}. (6)(a), (6)(b). (7)(b), (7)(e). (4a), (2)(b) or (0)(c) b points each:
List
»...._.......
------------ _.S
(11)
WSCELLANEWS IJNiTS?ROCESSES�
(a)
Holding Ponds, Holding Tanks or Sapling Ponds for Organic or Toxic Materials Including
wastes
from mining operations corsaining nitrogen or phosphorus compounds In amounts signiticanlly
greater than Is Common Sot domestic wastewater—_
(b)
Effluent Flow Equalization (not applicable to storage basins 1w11ieh era InFlannt in larttl application
systems). _. ».
_.».»...».. ».2
(c)
Stage Dischargs (not applicable to storage basins Inherent In Land application systems} _._w_.__...__._--5
(d)
Pumps................... „.„._..........»...._»».„_».._.„............»»........«».......».._...__
......................3
(a)
Stand -By Power
(1)
Thermal Pollution Control
TOTAL POINTS.
0-AMF'CATM
Class 1. .._........................6.25 Points
Class 11_.... ......._ _ « ....... .........26.50 Points
Caassl6..M__.—......—_«... ... _. «___—.»....... .._�_.._....64.65 Points
Citsa N.... _ .._..».... . ».»» ..»_.„ .. _. ».„.»—.».»»».» ».._. „...66-Lip Points
Facilities having a rating of ona through four points, Inclusive, do not require a conKied oparmor.
FacBilirs having an avivaied sludge process wiE be assigned a minimum eiassifiaficn of Class IL
Facilities havinp treatment Proeassas tar the removal of metal or cyanide will be s:signed a minimum elasslticafion of Class IL
Fadilies having treatmer processes for "blologiat nimaval of phosphorus will be assigned a ininirtwm classification of Class ill.
.WW DEPMTrOKS
Tne lotlt-n 9 641.ieon3 11164 apply Tv"110011. frig SlbONIAW. -
(11 Artvelell Carbon 6e111, A phyliealrthernical msrcl roe rep.Kiny xolskls yganie malwitl Cam wtslwalar OSUMI. The eor~ype beds vied h xis fmIltod .A have
A live Fair voryi% Irom " to 6ip1V gaftru. Psi Irsnule par SWIMO boi and may to 6!VW uptprr W tlownfioo carbon Wit. Carbon may or m►l no: be fegenualae on ra
walgwais- Vaair+anl plant site;
121 Asralse LASeent. A bavn in which all art,di sis mairtained in strsparsian eNd by %Nch biolepicA2 ►IWAierl a arsenic maser it tedutad Tvaugl arliiciaey accelerated
vs-Als- M city-.0' an a no..Pro:rph basis;
(xr M•alAn A prmtss 6! bnpn; abou )ntmals eorclacl balwoon Air x hSA prx4y 61Tom to a rgied by apray+q. aytttRt or dilhsiml3a) Eriendeo Aereiort. Aft
cast+,IOC i1u6ps procara ul:ci;nl; a rririft r hytratric ealonSon eme of 19 }tars.
(1) Arnc di✓a'ly manapoe cabs Ahr fire on wlh.ch a crop 6 produced, managed, end hAM1este6 (Crop KA des �efl ef, eralnl, east, cake};
(Sr Al: SlrippnS A prncsis by wti;ch f+a ■mrrrorni✓r, ion is frill con tnsd to asroNve amnmis Ipl! agvsrnwa) ►rich case amnoria ran lalaasad re to atn6sphae by
Phi%; a! mr apt. or orir a+.24. pret ►ssea witch renw,o perdaun prodxts such at banlena, jduena, and xylem;
(5) G'bo' P,aasnacasa, Ths rogenalaten er aiihavaled Carbon by Ta tits At a furnacs No provide 81V6mslr high lampeealvas tulsich rofsiLte end orid;te " 0&srbad
t np,r'1 ea;
(1) G2vacma Sage A sags or wstlwalet esstmua devIlFad la aetieire-eatar+duy' 61e0fM Mttits•
(k; C ri4pE A mechvnTal pvice in rh[h terY..itv;sl lorce is wits to tepa-ale t6ri69 from Cods or r separate apuida at d,aelanl cf r iiet;
(ei Cp st .. a' Mdn� Systems. Thy se6t,en or chs. ,cags] it weslewa:ar al an S;V caiM pen! Ion pvpcssa er :mproAng sol,6s romovat. psi a[Ivcrnarr.. eAelnirr tarWei,
sic , ore cayabl"tj 10 eapahRwq: trait o.1SMMt chareicals 8n0 61;14901 a;V'c&bon Fonts to schi"s A apecrAc Fatull wit: be etnsiders6 R * syvN . Ih4 capabiirllU Add

selaerrleAgt) &o"Who will be haled as laves sys+:n: esperbllly to add a dnrricar at & dflltrant aWicsition protons Fiat 6brrt purposes will Waal in the Pyssams being
rood u agarote "storm.
(10) Chemical ia+dge Casdloring. 'Rw •rdGfon of a drs+sirsl .cem%vourQ such at Arne, fsrric darorido, as a Polyri r ao we[ airdge eo cognacs he onset poor to Is
appriCation le & d$.nwing device;
(It) Closed Cycle System. Use of hWdrg ponds or Fddrig larks floc cartalnernrsl of wasttnvater containing irdrgaric, non•todc rmlwtals tram &and, gravel, ayshad
aturre or ether akrrAw oprafens. Srsh sytlems " Corry a rmzkum of two points ►op"roso 01 punplrg Isa7ilss a any o►rot appurion&rrces;
(12) Cambinee Removal of Carboracsout SOD and erogenous Ramovel by WMf-c,stiors A aiglo stage system ns{-iced to achieva perrnll eKkfenl Units on BOD and
atamronfa rhragws Mein tFr same biological rector;
(n) Ded7nimilla ti. T)w par%al or corrpralq redunion Of rrsM.ra7 chariro in a liq.Ad by any dnrriul ar physical proce&a;
(M; Dorlriflcafien Proceu. The corwaralo_n of rrfrNe•nisrogen fo ritfogion gas; r
(t } 6acyodialysls. Process kr ►wrsoving Imhod orbs Aran water Vrwph Via use of IasaMeetive Ion-s:Chang snserbrams: -
(lq Ftrh*r rival. A Vocal; operated medsarlcany for partfefly dawalafing slurried; .
(o) Fawn Sapwarforu The planned frothing of wastewater a wsaSewater effluent as or Rowe of removing escessNor srscrurta of dHergerr auteda[s through the
lintadsdan of atr In the form of ins btbuoi: also cried loom Iractionafon;
(1!] Grt Runes] The process of rorr;w g grit and oitir, lwovy rritw&! metier Mom wastewater,
(tin) fmhcn Tank A deep two glary wastewater I" comirting of an tppsr sofiTansafon chamber and a lower dodge dtpasion churbet.
('20) kuwmeraad Row Measuremenl. A d*vico which Indenter; and records rate of Low;
(211 ion Exchange. A dhemicbi Vent& h which lorrs from two c1lfrent orwlec let are esdsarsged,
(22) Wrd-Lppfiufion:
(a) fardgo fksposaL A ins: sludge dspose morthell by vA-J& wet Wdge may be appried to land other by spraying an Mo surface or by subsurface Islacfon
chili pia..): (rot appkcabte for types o: Nudge described In (11) of hit P.Us]:
(b) Trotted Era■nt. The process o: Waying Arastad wastewater Otto a land aces or labor etsehods of application, of watirwaler enle, a land area at a means, of Mal
disposal or teaamarot; .
(23) Licveeoreeru A few bpead, eorrraroraoly, backlons"d, Writing diem lilat infiltrating under gravity csndtion u a pa[aHng mehod for nmwi g wsp rrrdad solids
tram elA~4:
(24) Pfiviksfon Prelate. The blochwrkAl ca kwalon of woxidized riVvpan (ammvsla end orgeric rivopsn) to osMzed doopen (usually niVNo):
(25) Mr; noun Sligo. A saparale stage of wastewater eeaemrrt deaigneE for Yw apecific purpose of converting amrtoris rieagan to nfeala irlroyM;
(N6 Phaspt-Ass Pueraval, a dopcai. The fromevil or phasphorths from waslewstef by an otichnaxic procetc dovpritd to rshwbers luxury uptake o1 phosphorus by the
mieoa g arisrsis;
(2T) Far:srrnj Prvd. A hotdng pond iao inq secondary tastment wM ordli isnt dolantion time to allow settling at finely onp*ndgd gelds;
(21) Pori Aarsfon. Median lolle-ing aonvenlormf secondary ►eourrenl writs to haoasa efnurenl D.O. or Ia any ohm purpose;
(2r) Fes'. AarsfarL (Coscadi) A ptr&Nng monad by wtedh dissolved oxygen Is added to ha *Isuoet by a ronnrdurical, gravity rrrant e1 Bowing down a series at
step; or we'as; The lie+ ocnrrint across to clops or we-srt moves In a fairly tin layer and he opoiation of hs cucada raq iris no operator a4%islnonl; th>,a, zeta
peids are ass;grad even nw2h this Is in atserAal 51ol; to mere tiny fir lrrits of tyre discharge poernht;
(3o) pwdsrod to Gruxlar Artivalod.Csibon Fored- A biophysical carbon procou Owl UUzes bidopcd activity and argotic absorption by worse powdered or gamrolar
arevater carbon: Yryn or toponerslad carbon It had corrirollad Into fti ryslem:
(31) P7aaraliaL A tank coraluctod to provide notation prior to primary Veatment.-
(32) Prolimiary ]kilts. Uti: operations in the Vestment process, ouch as saaenirp and cofforr& folk gut prepare yu iquor la subsequent m4)or op ratioeu;
(M) lnrdvalrie Proveatnwra.
(a) Pre-tresrnani Utit, Irduntial. The concurring o1 a walls at Its source before discharge, to remove or to rwvlaiizo substances In)vious to aswars and Vaatnm:
processes ew as sflon a partial reduction In load on the r6atmrf process which Is operated by for same povrring body at he wa lawater Vea►mem plant being
salad;
b) Pre-tealm eni Propram, industrial - must be a Stara or EPA required prnpram to receive potnts on the rating Nest;
('be) Primary CrartLrs. Tht Aral ssmfing lark& W"h wtich wastowelar is psss*d in a Vottrerst works got Vr porposs of rorvvinrg sattaable end &uspended soids end
SDD which is associated with Ins soids;
(35) Pumps. AS M6vorr„ eMvenl arrd Irrplsnl psnps:
(36) Radsfon. Disinlocion or steriftat on procsu vVWng drvicss *rriring ulsoviolot of gamma rays;
(37) Rrverse Councils. A usat-nant peoces; In Miirh a nsayy mnlarrinaled liq.id Is pross4rizsd fywp't a membrane lomning Marty pure liquid Area from wspenood solids;
(3S) Rotating Biological Coruactors. A Fixed biological growth process In which wastawblat flows Taou9h tanks In winch a stilts at parta9y &wbmwtped eircllor suriaces
ale rottlad-
(7s) Stud Allers:
(a) Inlrrrir." Biological. ]=ovation of atnmN Wowing soplic ranks. Isgoons. or some other roilmenh process In which ftrnor biodecompatltion Is expected to
produce desired an Wants: Hydraulic loadng fairs on zhost fifnort are eonpled In yodtsc and have a reuitihp love pprrVsl (tau than ode);
b) Rl&dUslnp biological -the some type of sand Rlr as dohnwd in Shtapgragraph (x) (a) of this Rao with M added capability to istycle *111m t bock ►rough the
sand lihw.,
(sd) Sand or klixed-Modda Fuius. A p6ishing process by which aftuent linils we acYieaed through a kr5er red,ction of woparded solids;
(a) ter rate •- gavity, hyd•avlical'y loaded filly with loading rates In [M one to throe gprrwsf range;
(b) Pith rare -• a proswo, hydraulically loaded filter wish loading rates In no frrs gpm/sl range; A., any rate, the loading tale will excited Lhr*s gprtVzf;
(al) Seconsery GariAr&, A Lark which laiows IN biological Lrs'rl of IrsaanW, pfam and which hot the puipou of removing skrdpas stsodaUd with Vre biological
tr*atrn4Ml units;
(42) Separate Sludge RssoratiorL A port of the contact alabilizsfon process whers " Acivaled aludgo It Vantlerred to a lank and &rated before ieVring A to the
contact basin:
(43) Septic TsrfL A zinglo•slory rattling lank in Much sorted stodge It In eorsae[ with Or waslawat►r flowing through Ina sank: shal not be applicable for septic tank
systems irerving single family i"doents having capac}hy of 2.000 gatons or it&s which discharge to a ritrilcafan Feld;
(s-{) Sludge Diptstion. Tno process by Mich organic or volatile manor and sludge fa gatlhed. ligvalred, niMreGzed or eorwanad into mors &lablo ergannic many Trough
Ina sclvity o1 living agarisms, which includes iwaitd holdirsg tanks:
(+5) Smudge Drying Bed&, M orea carrpristng natural of or0clat layrt at pears molorials upon which digested sewage Mvdpo Is tried by drainage, end evaporation;
(46) Surge Elvs;ation. A process or fudge cordioring tin which certain ccKrtloonts sit removed by succsativ* washings rrriri fresh water or plant effluent;
JA?) Sludge Gas UtTszstior,. The procoss of vsSr{ s►wago gas for he pupose a[ healns buildngs, driving wnpnez, tic-;
(49) Sludge HdCrng Tant, (Aerated and Nonaaralod). A lank utilized fur annex wacl$walar weetrrwn! plants no! conlatring a dgeslr in "Ch $"a may bf kapi trash,
and suprrlaLant witted awn prior to a trying nrhod (i.e. tludpe drying beds): TPit may be dons by o" a sonar amunt of air simply to keep Tw sludge fseNk bet not
nocorsatily an ■mown: that woad be recy.vi,ed tc athove stabilization of cegarir mamef. A nonasraled far* would zimray be used to decant sludge prro., to dewotaMp and
would rot a➢ow fang priods (savrial days of cletenian) wiVioul fesalVg odor problems;
(ag) Srsdgo incinarators. A Lrhace destgMd It bum sludge and to ismovs bit mdtiurs and combustible malr'iNs and roduct to sludge to a stonle ash;
(50) Studgo Slah.za:on (Cherrical or TMrmal) A process b make treated sfvrge lass Odorous and put oaciors, and to rodvca Cot palhogenie orgarism conlant. Thit may
M clone by pH oofusn+an:, chorine dcting. or by Mat treatment;
(SI) Ssudgo Ttickenar, A type o1 tedrmhon:ation tank In which ns cluogt Is permitted to &$tits and thicken Vough agitation and gravity
(52) Slasiiizatinn Lagoon A type o1 oxidation lagoon in which biological midalLon oil wparic mutts? it *period by Nora; tansf*r of wygon to [he water from &•r (not a
W,Oing Pond);
(s3) Sland•By Prover Supply. fin site w porlablo electrical gonroing bpsipment;
(yr) Stoic Sc*sons. A sioliona•y scroon des'ynrd to remove &did%, inckvdng non-blod►gadabla paniciJate (Acetabla ►olds, suspended solids and BOD recknvon) from
omr:c;pa: and WdJ9tia! wa;trwaler eesrnent systems;
(55) Tvtamy 7natTr:. A slags of lssinnani roiowing secondary wtich Is priamorWy for the purpost al enlutm polisHng; A forging lagoon or ssnd or coal Ltr nigh: be
empoysd lar this purpast.
(56) 71"Wma} Pefksan Control Davin. A device provietirg for the ganslr of hail from a fluid ilowirg In Iubes to angrier Auld outside he tubes• ae vice vrss: ore ovwr
means at roiraiing liquid tempo ra axes;
(57) Thermal 51649e Conti Font:. A cand0orvng p:ccoss by Much hoot is bddt: for ■ prat,bcled period et sire so brpfove Ow dowalar.tbTily of Mudge by Ohs stlubitixin;
and hydrailizirg a' the zmsl;oi end moms hgrHy hid•atod :Budge parijb1s:
(55) Totis Malrialt. Tnoss wasist or corrtinatems of wasies. Including diteass•cousing oponts wrthich aria, dschalgo and upon erposurs, Irgosiion. Irrhals6coi or
ass6rilatirin inia any orgarism, aline, drrscry from ne anrirorment or indrec*y by Ingtttiorr nnovgph loud chains, will cause death. 6saare, behavlora' obnoemabvas,
CAMP. pone;.c mYslirs, phyliolaycal malrumilons (n[Iudng maltuncione in 1&VDd6r Con) or phlsicol datomrrians• In such organisms or their offspring. T60C materials
inrkde- by way o1 e!uslnton one not iimlalion: lead• eadrivm, ehrorivm, trwcury, vana6um, oftonc, 31nd, arno ri lrD-<HorabenseM (ONCB), polychlorinalad Eipherryls
(PCBs) artd dchlofodphenyf LiCh?orae:hano 1007). and any othr "1"64 that hava or may hersolsor be dotairrined to have laxlc proper►os.
(5*) Trickling RlIH A Votog;cal vzUrn vet writ consiting of a mose•41 such as b,oi.on stone or toot. ovW which wastewatr is 6sribuled:0. high :::a trickling Ina, is one
wh Elm Openalad at bc:r,sen 10 ati 30 r-, a per arfe. A low rate trickling Will is bna wtich is desiglyd :D opwalo al one to lour mgd par act*;
(!a) Tnd.l;ng F1f:ov (Packed Ta.cri) A F'�; sow Type of opration in wh'ch wttlrwaler'laws &-m taro-gh su:coss!va Isyors or mode of IJvoio malris?; Crparic mair.ai
is 14fnnre6 cri:-nvrlr, by Ina sclvo bidw.,icst Aced growth in each succesvve liver. 76' method may p�o wig 'seconds)' yua!iry of Ahewhl, w riot bo odiple: to
P,Cd.Kf 2 nribel eri,i{.Inl,
(Ei) Vacwa F.:or, Can'.ihrgos, or Falor Pve:sor Do -.;rot wtich ore daa7gntc :7 fonnvs excess wo.ar From oi7hn dgrnlod a und0osro3 studgu prior to dspc^al c-
L-4wi wastminn