WQ0000864_Final Permit_19920324

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 North Salisbury Street - Raleigh, North Carolina 27626-0535
James G. Martin, Governor
William W. Cobey, Jr., Seme=y
George T. Everett,Ph.D.
Director
March 24, 1992
Mr. Lee Isenhour,
Director of Safety and Security
Comm/ Scope, Incorporated
Route 1, Box 199
Catawba, North Carolina 28609
Subject: Permit No. WQ0000864
Comm/ Scope, Incorporated
Truck Maintenance Garage
Truck Wash Wastewater Treatment,
Recycle, Subsurface Disposal System
Catawba County
Dear Mr. Isenhour.
In accordance with your application received August 27, 1990, for the subsurface disposal
system , and your application received March 5, 1991, for the recycle system, we are forwarding
herewith Permit No. WQ0000864, dated March 24, 1992, to Comm/ Scope, Incorporated for the
construction and operation of a 10,000 GPD truck wash wastewater recycle system and the
continued operation a 600 GPD truck wash subsurface wastewater disposal system for backwash
wastewater.
This permit shall be effective from the date of issuance until February 28, 1997, and shall
be subject to the conditions and limitations as specified therein. Please pay particular attention to
the monitoring requirements in this permit Failure to establish an adequate system for collecting
and maintaining the required operational information will result in future compliance problems.
Issuance of this permit hereby voids Permit No.WQ0000864 issued January 23, 1989.
If any parts, requirements, or limitations contained in this permit are unacceptable to you,
you have the right to request an adjudicatory hearing upon written request within 30 days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands
are made this permit shall be final and binding.
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

One set of approved plans and specifications is being forwarded to you. If you need
additional information concerning this matter, please contact Mr. John Seymour at 9191733-5083.
cerely, .
rge T. Brett
gc: Catawba County Health Deparnnent
Mooresville Regional Office, Water Quality Section
Mooresville Regional Office, Groundwater Section
Groundwater Section, Mr. Jack Floyd
Facilities Assessment Unit
Training and Certification Unit
Desco Equipment and Chemical Company, Inc.

do
NORTH CAROLINA
►\/ 1 C i ►1� 1 �i : u:► u k00111 1 i
DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES
RALEIGH
SUBSURFACE DISPOSAL SYSTEM PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Comm/ Scope, Incorporated
Catawba County
f;�Ti7;TrM:i
continued operation of a 600 GPD subsurface wastewater disposal system consisting of
approximately 160 linear feet of 8 inch gravity sewer, a 1,000 gallon grease and oil/ water
separator, a 30 GPM dosing pump station with dual submersible pumps and high water alarms,
510 linear feet of 4 inch nitrification line in 3 foot trenches, a reserve disposal field area , and
associated piping, valves and appurtenances; and for the construction and operation of a 10,000
GPD recycle system consisting of an existing 5,000 gallon primary settling tank with one transfer
pump, two 1,500 gallon holding tanks in series with one transfer pump, a pH sensor and
controller with a potassium hydroxide metering pump, a flow sensor, a 250 gallon reaction tank
with mixer and bentonite/polymer tank with feed screw, upper and lower transfer pumps, a
disposable filter paper belt with carrier belt and wastewater tray, a 24 cubic foot sludge and filter
paper holding box (for disposal at landfill), a 550 gallon transfer tank with pump, two 15 inch
diameter by 65 inch long water softener canisters in parallel, a backwash system discharging to
the subsurface disposal system, two 16 inch diameter by 65 inch long activated carbon filter
canisters in parallel, a chlorine injection metering pump, a 3,000 gallon storage tank with dual
pressure tank and pumps, and associated controls, piping, valves, pumps, and appurtenances to
serve Comm/ Scope, Incorporated's truck wash area with no discharge of wastes to the surface
waters, pursuant to the application received August 27, 1990, for the subsurface disposal system
and the application received March 5, 1991 for the recycle system 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 February 28, 1997, and shall
be subject to the following specified conditions and limitations:
■ ■ i 1 r IM� i �r
1. Upon completion of construction and prior to operation of this permitted recycle
facility, a certification must be received from a professional engineer certifying that
the permitted facility has been installed in accordance with this permit, the approved
plans and specifications. Mail the Certification to the Permits and Engineering
Unit, P.O. Box 29535, Raleigh, NC 27626-0535.

2. The Mooresville Regional Office, phone no. 704/ 663-1699, shall be notified at
least forty-eight (48) hours in advance of backfilling of the installed facilities so
that an in-place inspection can be made. Such notification to the regional supervisor
shall be made during the normal office hours from 8:00 am. until 5:00 p.m. on
Monday through Friday, excluding State Holidays.
3. 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 as may be required by this Division, such as construction of additional or
replacement wastewater treatment or disposal facilities.
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 facility.
5. This permit shall become voidable if the soils fail to adequately absorb 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.
6. Adequate measures shall be taken to divert stormwater from the disposal area and
prevent wastewater runoff from the subsurface disposal field.
7. The sludge generated from these treatment facilities must be disposed of in
accordance with General Statute 143-215.1 and in a manner approved by the North
Carolina Division of Environmental Management.
8. A usable reserve area shall be maintained for wastewater disposal. The reserve area
shall have the capability of accommodating the average daily flow of the facility
being served without exceeding the loading rates of the reserve area while meeting
all required buffer requirements.
9. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
1. 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 of the wastewater treatment facilities. The operator must hold a certificate of
the type and grade at least equivalent to the classification assigned to the wastewater
treatment facilities by the Certification Commission. Once the facility is classified,
the Permittee must submit a letter to the Certification Commission which designates
the operator in responsible charge within thirty days after the wastewater treatment
facilities are 50% complete.
3. The application rates to the disposal field shall not exceed 0.4 GPD/sq. ft.
4. 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.
5. No traffic or equipment shall be allowed on the disposal area except while
installation occurs or while normal maintenance is being performed.
2

N #: ► : all a 310J.'a-1451#10 u-1:43
1. 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. If Groundwater sampling indicates or predicts problems with the compliance with
Groundwater Standards, this permit will be modified to include additional and/or
more restrictive limitations.
3. A record shall be maintained of all residuals removed from this facility. This record
shall include the name of the hauler, permit authorizing the disposal or a letter from
a municipality agreeing to accept the residuals, date the residuals were hauled, and
volume of residuals removed.
4. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office,
telephone no. 704/ 663-1699, 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 render the
facility incapable of adequate wastewater treatment such as mechanical or
electrical failures of pumps, aerators, compressors, etc.
C. Any failure of a pumping station, sewer line, or treatment facility resulting
in a by-pass of all or any portion of the influent to such station or facility.
d. Any time that self-monitoring information indicates that the facility has gone
out of compliance with its permit limitations.
Persons reporting such occurrences by telephone shall also file a written report in
letter form within 15 days following first knowledge of the occurrence. This report
must outline the actions taken or proposed to be taken to ensure that the problem
does not recur.
n 20181: u
1. Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided-
2.
rovided
2. Oil drained from engine crankcases or degreasing solvent wastes shall not be
discharged into the disposal system.
3

1. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee
to insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal
facilities to prevent malfunctions and deterioration, operator errors and discharges
which may cause or lead to the release of wastes to the environment, a threat to
human health, or a nuisance. The Permittee shall keep an inspection log or
summary including at least the date and time of inspection, observations made, and
any maintenance, repairs, or corrective actions taken by the Permittee. This log of
inspections shall be maintained by the Permittee for a period of three years from the
date of the inspection and shall be made available upon request to the Division of
Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of
Environmental Management may, upon presentation of credentials, enter and
inspect any property, premises or place on or related to the disposal site and facility
at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records that must be kept under the terms and conditions
of this permit; or may obtain samples of groundwater, surface water, or leachate.
PRAII WOCII►t /►
1. This permit shall become voidable unless the facilities are constructed in accordance
with the conditions of this permit, the approved plans, specifications and other
supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. This permit is not transferable. in the event there is 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.
4. A set of approved plans and specifications for the subject project must be retained
by the applicant for the life of the project
5. The annual administering and compliance fee must be paid by the Permittee within
thirty (30) days after being billed by the Division. Failure to pay the fee
accordingly may cause the Division to initiate action to revoke this permit as
specified by 15 NCAC 2H.0205 (c)(4).
6. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division of Environmental
Management in accordance with North Carolina General Statute 143-215.6.
4

7. The subject wastewater treatment and disposal facilities shall be connected to an
operational publicly owned wastewater collection system within 180 days of its
availability to the subject facilities, if the subject wastewater treatment or disposal
facilities are in noncompliance with the terms and conditions of this non -discharge
permit or the governing statutes or regulations. Prior to the initiation of these
connection activities, appropriate approval must be received from this Division.
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. 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.
10. Issuance of this permit hereby voids Permit No. WQ0000864 issued January 23,
1989.
11. An acceptable reserve area, equal in size to the approved disposal area, shall be
maintained at all times.
12. Vehicle cleaning operations must entail washing only the outsides of trucks and
cars. Oil drained from engine crankcases or solvent degreasing wastes must not be
discharged to the disposal system.
Permit issued this the 24th day of March, 1992
TH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
eorge T. Everett, for
Division of Enviro ental g nt
By Authority of the nvironm Management Commission
5

Permit No. WQ0000864
March 24, 1992
1, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of
the
project, for the
Project Name Location
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the
observation of the construction such that the construction was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature Registration No.
Date

3947
40'
3943ow. N.
N

t
,.(4p}Saatd'or Mixed -Media Fillers- A polishing process by which effluent limits are achieved through a
'further reduction of suspended solids:(a)iow rale •- gravity, hydraulically loaded filter with loading
r'lox In the one to three gpmisf range;(b)high rate -• a press hydraulically loaded tiller with loading
relax In the five gpm/sl range; Al any rate, ilia loading rate will exeuud thfuu gpntrsf;
(41)Socondary Clarifiers. A lank which follows tiro biological unit of a treatment plant and which has
IN purpose of removing sludge associated with the biological treatment units;
(42)Separals Sludge Reaeration. A part of the contact stabilization process where the activated siudge
is transferred to a lank and aerated before returning It to the basin;
(43)Sspllc Tank. A single -story settling lank in which sallied sludge Is -in FFo I ct with the waslewalar
flowing through the lank; shaft not be applicable for seplic lash System 5�' `drJin�R �V U l!/,�� IS dr L 5
less which discharge to a nhrificalion field;
(44)Sludge Digestion. The process by which organic or volalile mailer and sludge Is gaslfied, liquelied,
mineralized or converted into more stable organic matter through the activity of living organisms,
which includes aerated holding tanks;
(45)Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which
digested sewage sludge is dried by drainage and ovaperaficn;
(46)Sludga. Elutdadon. A process of sludge conditioning In which certain constituents are removed by
successive washings with fresh water or plant olfluent;
(47)Sludge Gas utilization, The process of using sewage gas for the purpose of healing buildings,
driving engines, etc.;
(4S)Sludge Holding tank (Aerated and Nonaeraled). A lank utilized for small wastewater treatment
plants not contalning a digester In which sludge may be kept fresh, and supernatant withdrawn prior to
a drying method (i.e. sludge drying beds); This may be done by adding a small amount of air simply to
keep the sludge fresh, but not necessarily an amount that would be required 10 achieve stabilization of
organic matter. A nonaerated lank would simply be used to decant sludge prior to dewatering and would
simp)y be used to decant sludge prior to dewatering and would not allow long perlods (several days of
detention) without resulting odor problems;
(49)Sludga incinerators. A furnace designed to burn sludge and to remove all molslure and combustible
materials and reduce the sludge to a storilo ash;
(50)Sludga Stabilization (Chemical or Thermal). A process to make treated sludge less odorous and
putreschbie, and to reduce the pathogenic organism content; This may be done by pH ad)uslment
chlorine dosing, or by heal treatment;
(51)Sludge Thickener. A type of sedimentation tank in which the sludge Is permitted to settle and
thicken through agitation and gravity;
(52)Slabllfzalion Lagoon. A type of oxidation lagoon In which biological oxidation of organic matter is
affected by natural transfer of oxygen to the water from air (not a polishing -pond);
53)Stand-By power Supply. On site or portable electrical ganerating squipment;(54) Static Screens,
A stationary screan designed to remove solids including non -biodegradable parliculale (floalable solids,
suspended solids and GOD reduction) from municipal and industrial
wastewater treatment systems;
(55)Terliary Treatment. A stage of treatment following secondary which is primarily for the purpose
of effluent polishing; A settling lagoon or sand or coal filler_ might be employed for this purpose.
(56)Tharmal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing
in lubes to another fluid outside the tubes, or vice versa; or, other means of regulaling
liquid temperatures;
(57)Tharmal Sludge Conditioner. A conditioning process by which heal is added for a protracted period
of lime to Improve the dewalerabllily of sludge by the soiubillzlnq and hydrautlzing of the smaller and
more highly hydrated sludgu particles;
(58)Texlc Materials. Those wastes or combinations of wastes Including disease -causing agents which
alar discharge and upon exposure, Ingestion, inhalation or assimilation into any organism either
directly from the environment or indirectly by ingestion through food chains, will cause death, disease,
behavioral abnormalities, cancer, genetic mulafions, physiological malfunctions (including malfunctions
in reproduction) or physical deformations, in such organisms or their offspring; Toxic materials
include, by way illustration and not limilalion: lead, cadmium, chromium, mercury, vanadium,
arsenic, zinc, onho-nftro-chlorebanzene (ONCB polychlorinated biphenyls (PCBs) and dichiorodiphenyl
Irichloroethane (DDT); and any other materials that have or may hereafter be determined to have toxic
pronertias:
(59)Trickling filler. A blcloglcal treatment unit capslsling of material such as broken stone or rock
over which wastewater Is distributed; A high rale trickling filter is one which is operated at between
10 and 30 mgd per acre. A low rate trickling filler Is one which is designed is operate at one to lour
mgd per acre;
(60jTriekiing Filler (Packed Tower). A plug flow typo of operation in which wastewater flows down
through successive layers of media or filtrate material; Organic malarial is removed continually bP,
active biological fixed growth in each successive layer. This method may produce "secondary" -quality
effiue4 or may be adapted to produce a nilrilied affluent;
(S1)%t�,„'§, .."uum Filters, r `,gas, or Fillet Presses. Devices which are designed to remove excess
water from either d; r undigesled sludge prior 10 disposal of further
Ire vimn�;�,
GATING SCALE FOR CLASS] )~ICA11011 OF r-ACli_11117"
t 5
Name of Plant:
Owner or Contact Person:
Mailing Address: G
bounty: C. l� Telephone: `
NPDES Permit No. NC00 Expiration Date:
Issue Date:
Nondisc. Permit No. Wk E!� Expiration Date:
issue Date: z
Rated By: <f Date: OSl/7�/
R '-j (Train & Cert) -
Reg. Office
evlew-
Reviewed (Train. & Gert.) Central Office
ORC
Plant Class: (circle one)
Grade
ITEM
{1) Industrial Pretreatment Units and/or,
industrial Pretreatment Program
(see definition No. 33)
(2) DESIGN FLOW OF PLANT IN GPD
(not applicable to non -contaminated cooling
waters, sludge handling facilities for water
purification plants, totally closed cycle
systems (def. No. 11), and facilities
consisting only of Item (4) (d) or Items (4) (d)
and (11) (d))
POINTS
0 -- 20,000 ..........................
20,001 - 50,000 ..........................
50,001 -- 100,000 ..........................
100,001 250,000 ..........................
250,001 500,000 ...................... . .. .
500,001 --1,000,000 ................ . .. . . . ... .
1,000,001 -- 2,000,000 ........................
2,000,001 (and up) - rate 1 point additional for each
200,000 gpd capacity up to a
maximum of 30
Design Flow (gpd) :
4
0
2
3
4
5
a
10

TOTAL POINTS YZ
CLASSIFICATION
ClassI ........................................................... 5 - 25 Points
ss li..................................................... 26- 50 Points
ClassIII ....................................................... 51- 65 Points
Class IV ........................................................ 66- Up Points
Facilities having a rating of one through four points, inclusive,
do not require a certified operator. Classification of all other
facilities requires a comparable grade operator in responsible
charge.
Facilities having an activated sludge process will be assigned
a minimum classification of Class ll.
Facilities having treatment processes for the removal of metal
or cyanide will be assigned a minimum classification of Class II.
Facilities having treatment processes for the biological removal
of phosphorus will be assigned a minimum classification of Class
Ill.
DEFINITIONS
(t)Aclivaled Carbon Beds, A physicallchamical method for reducing soluble organic material from
wastewater effluent; the column -type beds used in this method will have a Slow rate varying from two
to eight gallons per minute per square loot and may be either upflow or downflow carbon beds. Carbon
may or may not be regenerated on the wastewater treatment plant site,
(2)Aorated Lagoons. A basin -in which all solids are maintained in suspension and by which biological
oxidation or organic mater is reduced through arliNcially accelerated transfer of oxygen on a flow-
through basis;
(3)Aaration. A process of br;nging about intimate contact between air or high purity oxygen in a liquid
by spraying, agitation diffusion;
(4)Agriculturally managed silo. Any s;ta on which a crop is produced, managed, and harvostod (Crop
Includes grasses, grains, trees, etc);
(5)Air Stripping. A process by which the ammonium ion is first convoried to dissolved ammonia (pH
adjustment) with the ammonia then released to the atmosphere by physical means; or other similar
processes which remove petroleum products such as benzene, toluene, and xylene,
(6)Carbon Regeneration. The rogeneralion of exhausted carbon by the use of a furnace to provide
extremely high temperatures which volatilize and oxldlze the absorbed impurities;
(7)Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary' effluent
limits,
(S)Cenlrifuga. A mechanical device in which centrifugal force is used to separate solids from liquids
and/or to separate liqu;ds of different densities; 1
(9)Chemical Addition Systems - The addition of chemical (s) to wastewater at an application point for
purposes of improving solids removal, pH adjustment, alkalinity control, etc.; [he capability to
experiment with different chemicals and different application points to achieve a specific result wil( be
consluerAd one system; the capability to add chemical ts) to dual units will be sled as one system;
capabi to add a chemical at difference application points for different purposes will result -in the
system ing rate as separate system. `
(10)Chomical Sludge Conditioning. The addition of a chemical compound such as lime, ferric chloride, or
a polymer to wet sludg, alesce the mass oriPr to its application to a dewalering device;
(vi)
Sand Filters -
intermittent blolegical ..
2
recirculating biological ...
3
(vii) Stabilization Lagoons .................. .
5
(viii)Clarifier .................. . ...........
5
(ix)
Single stage system for combined
carbonaceous removal of BOD and
nitrogenous removal by nitrification
(see def. No. 12) (Points for this item
have to be in addition to items (5) (a)
(i) through (5) (a) (viii) .................
8
(x)
Nutrient additions to enhance BOD
removal ...............................
5
(xi)
Biological Culture ("Super Bugs") addition
to enhance organic compound removal .....
5
(b) Nitrogenous Stage
(i)
Aeration - High Purity Oxygen System .....
20
Diffused Air System ...........
10
Mechanical Air System (fixed,
floating, or rotor) ... , .. ......
8
Separate Sludge Reaeration .....
3
(ii)
Trickling Filter -
High Rate ...............
7
Standard Rate ............
5
Packed Tower ............
5
(iii)
Biological Aerated Filter or Aerated
Biological Filter .................. . ......
1 0
(iv)
Rotating Biological Contactors ............
1 0
(v)
Sand Filter -
intermittent biological . . . . . . . .
2
recirculating biological ... _ ....
3
(vi)
Clarifier ................................
5
(6) TERTIARY OR ADVANCE=D TREATMENT UNIT
(a) Activated Carbons Beds -
without carbon regeneration .................. Q
with carbon regeneration ............ . ....... 15
(b) Powdered or Granular Activated Carbon Feed -
without carbon regeneration ................. 5
with carbon regeneration ............ . ...... 15
(c) Air Stripping ............. . ............... 5
(d) Denitrification Process (separate process) . . . . . 10