WQ0004916_Final Permit_19910614

State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
51:2 North Salisbury Street • Raleigh, North Carolina 27626-0535
James G. Martin, Governor
William W. Cobey, Jr., Secretary
George T. Everett,Ph,D,
Director
June 14, 1991
Rex W. Williams, 2LT, EN, NCARNG
Construction Administrator
Office of the Adjutant General
4105 Reedy Creek Road
Raleigh, North Carolina 27607-6410
Subject: Permit No. WQ0004916
N.C. National Guard, Army
Aviation Support Facility No. 2
Aircraft Wash Facility
Subsurface Disposal System
Rowan County
Dear Lt. Williams:
In accordance with your application received April 8, 1991, we are forwarding herewith
Permit No. WQ0004916, dated June 14, 1991, to North Carolina National Guard for the
construction and operation of a 676 GPD aircraft wash facility subsurface wastewater disposal
system.
This permit shall be effective from the date of issuance until May 31, 1996, 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 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.
One set of approved platys and specifications is being forwarded to you. If you need
additional information concerning this matter, pledcontact Mr. John Seymour at 919/ 733-5483.
M
T.
cc: Rowan County Health Department
Mooresville Regional Office
Groundwater Section
Training and Certification Unit
Facilities Assessment Unit
Pollution Prevention Pays
P.O, Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
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
North Carolina National Guard
Rowan County
WOl
construction and operation of a 676 GPD subsurface wastewater disposal system consisting of a
100 GPM oil/water separator system, a distribution box, seven nitrification trenches with a total of
560 linear feet of 4 inch nitrification line for a total of 1,680 square feet of disposal area, and
associated piping, valves and appurtenances to serve the N. C. National Guard, Army Aviation
Support Facility No. 2 with no discharge of wastes to the surface waters, pursuant to the
application received April 8, 1991 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 May 31, 1996, and shall be
subject to the following specified conditions and limitations:
I. PERFORMANCE STANDARDS
Upon completion of construction and prior to operation of this permitted 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
Ieast 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 a.m. 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.
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 roust be disposed of in
accordance with General Statute 143-215.1 and in a manner approved by the North
Carolina Division of Environmental Management.
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.
10. The following buffers shall be maintained:
a) 100 feet between disposal area and any public or private water supply including
wells
b) 100 feet between disposal area and "SA and SB" classified surface waters
c) 50 feet between disposal area and any stream, lake, river or natural drainageway
d) 50 feet between disposal area and property lines
e) 10 feet between disposal area and surface water interceptor drains or diversions
(upslope)
f) 25 feet between disposal area and surface water interceptor drains or diversions
(downslope) and groundwater drainage systems.
11. OPERATION AND MAINTENANCE REQUIREMENTS
The facilities shall be properly maintained and operated at all times.
2. The application rates to the disposal field shall not exceed 0.4 gpd/sq. foot.
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.
4. No traffic or equipment shall be allowed on the disposal area except while
installation occurs or while normal maintenance is being performed.
1II. MONITORING AND REPORTING REQUIREMENTS
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.
2. 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.
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.
IV. GROUNDWATER REQUIREMENTS
1. Any groundwater quality monitoring as deemed necessary by the Division of
Environmental Management shall be provided.
2. After thirty (30) days of operation, and thereafter in January, May, and September,
a sample of the effluent immediately prior to discharge into the nitrification field
(either at the effluent end of the septic tank or at the distribution box, if accessible)
shall be taken and analyzed for the following parameters:
a) Purgeable Halocarbons (EPA Method 601)
b) Oil and Grease
C) MBAS
The results of the sampling and analysis shall be sent to the NC Division of
Environmental Management, Water Quality and Groundwater Sections, Mooresville
Regional Office, by the end of the month which follows the month in which the
samples were obtained (i.e. analyses for samples taken in March should be
submitted by the end of April).
3

Oil drained from engines or degreasing solvents wastes shall not be discharged into
the disposal system.
V . INSPEC110NS
Adequate inspection, maintenance, and cleaning shall be provided by the Permittee
to insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal
facilities to prevent malfunctions and deterioration, operator errors and discharges
which may cause or lead to the release of wastes to the environment, a threat to
human health, or a nuisance. The Permittee shall keep an inspection log or
summary including at least the date and time of inspection, observations made, and
any maintenance, repairs, or corrective actions taken by the Permittee. This log of
inspections shall be maintained by the Permittee for a period of three years from the
date of the inspection and shall be made available upon request to the Division of
Environmental Management or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division of
Environmental Management may, upon presentation of credentials, enter and
inspect any property, premises or place on or related to the disposal site and facility
at any reasonable time for the purpose of determining compliance with this permit;
may inspect or copy any records that must be kept under the terms and conditions
of this permit; or may obtain samples of groundwater, surface water, or leachate.
VI. GENERAL CONDITIONS
1. This permit shall become voidable unless the facilities are constructed in accordance
with the conditions of this permit, the approved plans, specifications and other
supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. This permit is not transferable. In the event there is 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. Prior to any transfer of this land, a notice shall be given to the new owner that gives
full details of the materials applied or incorporated at this site.
5. A set of approved plans and specifications for the subject project must be retained
by the applicant for the life of the project.
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 211.0205 (c)(4).
rd

7. 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 143215.6.
8. The wastewater treatment facility shall connect to a publicly owned areawide
sewage collection system within 180 days of its availability. All discharge of
wastewater to the system shall cease at the time of the connection to the sewerage
collection system.
9. 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.
10. 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.
11. Additional facilities will be required if the subject oil/water separator does not
produce acceptable levels of treatment.
Permit issued this the 14th day of June, 1991
TH CAROLINA
George T. Everett; ]
Division of Envir
By Authority of the
AL MANAGEMENT COMMISSION
Management Commission

Permit No, WQ0004916
June 14, 1991
Engineer's Certification
I, , as a duly registered Professional Engineer in the State of North
Carolina, slaving 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
A

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12 MI
KANNAPOLIS 10 Mt. 544008--L KANNAPOLeS CHARLOTTE 36 MI. Ob3ar
ROAD CLASSIFICATION r�0
1 MILE
5 Primary highway, Light-duty road, hard or 9�'s��z-
hard surface unproved surface
Secondary highway,
hard surface Unimproved road---_-__-
0Interstate Route C� U S. Route 0State Route
■ N C. 1
ROWAN AN MILLS, N.C.
QUADRANGLE LOCATION -
35080 -F5 -TE -024
Revisions shown in purple and woodland compiled in
cooperation with State of North Carolina agencies from
1969
aerial photographs taken 3984 and other sources. This
PHOTOREVISED 1987
information not field checked. Map edited 1987
DMA 4855 11 NE --SERIES VB42
M fz9
S Its 14 r=

t
RATING SCALE FOR CLASSIFICATION OF FACILITIES
Name of Plant: Uc. i al'rdyFa� C zfil r �ILc / fd�t 9 o,"! till/ y `z
Owner or Contact Person: Re, Wr Wr ll14w s
Mailing Address:ConA ,r -r. If.
County:, NW%wn . Telephone.
�I NPDES Permit No. NCOO Nondisc. Per. No. Wgoed yy(C
lssueDate: • 9 Expiration Date: a I
Existing Facility New Facility f/
Rated By: _ Date:._ rig%3c%L
Reviewed (Train, r Cert.) Reg. Office
Reviewed (Train. & Cert) Central Office
ORC _ Grade__._
ITEM
POINTS ITEM ;
(1) Industrial Pretreatment Units and/or
Industrial Prelrealment Program
2
(see definition No. 33)
4
(2) DESMI FLOW OF PLANT IN GPD
5
(not applicable to non -contaminated -cooling
waters, sludge handling facilities for water
purification plants, totally closed cycle
systems (def. No. 11), and lacilities
consisting only of Item (4) (d) or Items (4) (d)
and (11) (d))
2
0 -- 20,000 ........ • • ...............
C
20.001 50,000 ..........................
2
50.001 •• 100.000 ..........................
3
100,001 250,000 ............... .......
4
250,001 •• 500,000 ..........................
5
500,001 •1,000,000 ..........................
a
1,000.001 -- 2,000,000 .................. ..... ..
10
2,000,001 (and up) - rale 1 point additional for each
200,000 gpd capacity up to a
7
maximum of 30
5
Design Flaw (gpd) :
5
(3) PRELIMINARY UNITS (see definition no. 32)
(a) Bar Screens ...............................
or
(b) Mechanical Screens, Static Screens or
comminuting Devices . . .. ... . .. .............
(c) Grit Removal ............ ..........
or
(d) Mechanical or Aerated Grit P.ernoval ...........
(e) Flow Measuring Device ... ... . ...............
or
(fl Instrumented Flow Measurement . . ........ . .. .
(g) Pmaerallon............. ..... ............
(h) Influent Flow Equalfzabon
(r) Grease or Oil Separators
(i) Prechloiinalion ...... _ .
Gravity .. . .....
Mechanical ......... .
Dissolved Air Flotation.
2
1
2
1
2
2
2
2
=3
0
5
POINTS
(4) PRtMARYTREATMENTUNITS
(a) Septic Tank (see deliMion no. 43) ..............
2
(b) Imholf Tank ..................................
5
(c) Primary Clarifiers ............................
5
(d) ScIlling Ponds or Settling Tanks for Inorganic
Non-toxic Materials (sludge handling facilities
for water purification plants, sand, gravel,
stone, and other mining operations except
recreational activities such as gem or gold
mining) ......................................
2
(5) SECONDARY TREATMENT UNITS
(a) Carbonaceous Stage
WAeration - High Purity Oxygen System . *.. ,
20
Diffused Air System ...........
10
Mechanical Air System (fixed,
floating or rotor) ..............
6
Separate Sludge Reaeration .....
3
(ii) Trickling Filter
High Rale ...................
7
Standard Rate ...............
5
Packed Tower ............. . .
5
(Iii) Blologicaf Aerated Filler or Aerated
Biological Filler .......... . ...........
1 0
(iv) Aerated Lagoons ..................... .
10
(v) Rotating Biological Contactors ..........
1 0
(vt) Sand Fillers -
intermittent biological ...
2
recirculating biological .. , ,
3
(vii) Stabilization Lagoons ...................
5
(viii)Ciarifier ..............................
5
(ix) Single stage system for combined
carbonaceous removal of BOD and
nitrogenous removal by nilrilicalion
(see dei. No. 12) (Points for this item
have to be in addition to items (5) (a)
(i) through (5) (a) (viii) .................
G
{x) Nutrient additions to enhance BOO
removal ...............................
5
(x i) Biological Cullure ('Super Bugs-) addition
to enhance organic compound removal .....
5

Nitrogenous Stage
(11)Sauna.q Cl"W" , A unk wash leao_ N• b:olaPital VIA 0l a v.aan.nl plane .,Id xhkh has
w are..ialy 011.•nl; It. rewmn-1yp. bods .ud n WL ..Add xrl 111— • f1.W sal.. lir q hath 1-
(i) Aeralion - High Purity Oxygen System loll -
20
(i) Sludge Holding Tank • Aerated ................ 5
Diffused Air System ......... • •
10
Non-aerated ............ 2
Mechanical Air Syslem (fixed,
:.talion ...•gunk n,.l,ur Ic .uJve,tl .I..oyn >,.;Y<MI.,a t1•r•t Jt•d Y,n.r•, el a.yq•n sn a it...
(j) Sludge Incinerator • (not including activated
Uoaling, or rotor) ...... ......
Separate Sludge Reaeration l o l l .
8
3
carton regeneration) . , ... 10
(k) Vacuum Filler, Cenlriluge or Filter Press or other
(ii) Trickling Filler -
by ,pay'+.p, a;iW;- dalntl.n;
similar dewatering devices .............. " ..... 1 0
High Rale ..............
7
Ir,cwa., q,a'.•.• pnin., Ile. s, olc}:
Standard Hale ............
5
(8) SLUDGE DISPOSAL (including incinerated ash)
Packed Tower ............
5
(a) Lagoons ........................................ 2
(tii) Biological Aerated Filler or Aerated
,.bon A.0 ...... It.. Th. ngan ni.. at nhay.pd I,t,- by As ua al a I.,— 1. Pa W.
(b) Land Application (surface and subsurface)
Bio€ogrcal Filler .........................
10
(see definition 22a)
(iv) Rotating Biological Conlaclors ............
10
-where The facility holds the land app. perw ! 0
(v) Sand Filler-
a d',i,g mooed (i... 16 1 d,y:ng Wlj; TN. may b . a, adding 1 -1a ol,i of s: imply 1.
-by contracting to a land application opera
intermittent biological . " ......
2
holds the land application permit ........... 2
recirculating biological ........
3
-land application of sludge by a contractor who does
(vi) Clarifier....f...........................
5
not hold the permit for the wastewater treatment
c,psDbrry tP add • cK.mk,l al dill.,•... appri ,don point, Iw ddl.r•nl pwpa•.> ofd psutt k so.
m.wiah .,q ,.6.sa'As tadg. Is I ,•a,2a .,k
facility where the sludge is generated ......... 10
TIARY OR ADVANCED TREATMENT UNIT
[7 q)Gh.mk.l Skdg. Ce ronMq. Th. addition sl . ch•r.:r,l c.mp.vnd luck a1 Y.m,, teak cldmid,, w
(c) Landlilled (burial) ........... r ................. 5
Activated Carbons Beds -
enMrfn. daing, .r by h..1 v. Into :
(9) DISINFECTION
Without carbon regeneration ..................
5
(a) Chlorination .. , ........................... 5
With carbon regeneration . ...................
15
(b) Dechlorinalion ........................ loll. S
Powdered or Granular Activated Carbon Feed .
112)C ariW..d R. it d CY,bo --Volt SDR =M 14-09-rou> A-maral by HM11 af;.n . A ,ingl. acay.
(c) Ozone .............................. 5
without carbon regeneration .................
5
(d) Radiation .......................... 5
wish carbon regeneration ...................
15
(10) CHEMICAL ADDITION SYSTEM (S) (See definition No. 9)
Air Stripping ......... • ...... • . • . • ... ' • ' • .
5
Enol applicable to chemical additions rated as item
Denitrification Process (separate process) .....
10
(3) 6). (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e),
ElecirDdialysis..............................
5
(9) (a), (9) (b), or (9) (c) 5 points each: List:
Foam Separation .............................
5
5
5
Ion Exchange ................................
5
. . . . . .
Land Application of Treated Elfluenl
{1a)Dri Ram. -L Th. p«oaf .1 ,.n,. v pd, and coal Mary tNnanl -I- R.- wa,lewal•r,
. • • . ' 5
(see definition no. 22b) (not applicable for
alp$ d+la.lga sad vp.n •,pot.., L,p.s Aon, ;nhoi.l;aa .,.d -,alien W. any ere.rd,m ,Z..s
... .. 5
sand, gravel, stone and other similar mining
(TI)Jln=uum,m,d FJVM Molswsm.m. A d.v14. xhm<h Willis, andel /,cards fat, of sow;
t t
( ) MISCELLANEOUS UNITS
operations)
in r.pr.Quefianl at ph7.1.4 dnarnad.m. ;n f -h .rg,m.mt Of Na;, off.poll q: Task mU.Iials
(a) Holding Ponds, Holding Tanks or Settling Ponds
J) on agrfeullurally managed sites (See def.
appi.d le land aia..r by>pnr;nq .n Aa .-floe. -167 aW,whe. ..clan elu Ina+
lL•- .rt Ph,
for Organic or Toxic Materials including wastes
No. 4) .. ............................. _. -
10
from mining operalions containing nitrogen and/or
(f7 by high rate infiltration on non-agricullurally
land .,.a .s ..,..nf PI Gnn disposal andre, v.rrm.,C
phosphorous compounds in amounts significantly
managed sites (includes rotary distributors
Pian tom ar ,«A
Pv.r width x3Fl•w=tar tF ei' f ild: A Mph ..t. rictlinp rat,f i. on, otic`. It
greater than is common for domestic wastewater .......... 4
and similar fixed nozzle systems) ...........
4
(b) Effluent Flow Equalization (not applicable to storage
(iii) by subsurface disposal (includes low pressure
basins which are inherent in land application systems). 2
pipe systems and gravity systems except at
MNcb w dill.
Waugh ,v .Ih. lay... o m.di. n draw that.=..; hisp.me
1"
ao'II
(c) Stage Discharge (not applicable to slorage basins
plants consisting o1 septic lank and nilrifica-
ji
(26}Phosphal. R,me..} S;olegie •t Tn• .morn of phoaph.sut flam waaf•wa1.r by an 6xiUanbxie
inherent in land application systems ....................................... 5
lionlines only) " ............................
4
(d) Pumps...................................,................................................................. 3
Microsereens ............ . lol- .......... " ....
5(e1
Slarid-By Power SupASY........_-.-..................--.-..........._.........._.... 3
Phosphorus Removal by Biological Processes
(f) Thermal Polfulion Control Device ............................................. 3
(See def. No. 26) .loll ........................
20
Polishing Ponds - without aeration .......
2
Ta slap, .ak.na.a
, F :rt a 1,41, win I,,,, am Al apanllon of Ill. "Cod. ,r no ap•,atw
mol-
with aeration ..........
5
Post Aeration - cascade .. . ...........
diffused or mechanical ...
0
5
TOTAL POINTS
Reverse Osmosis ...............................
5
Sand or Mixed -Media Filters - low rate ...........
2
p2lPniatinary UNu. Vn;l old ,»Imre in Iha 1r,alm.m :1.1111, ,Kh al .rl,.,dnp ,rd e.mm.nvl.n.
high rate ..........
5
CLASSIFICATION
Treatment processes [of removal of melal or
as . sono,• fi.cnt,q, 1. ,•mPr• e! to n,u4aA,+ rubf[,rq •I Injwfout 1. I•x.,. and sr asst
cyanide ....................................
1 5
Class I ....................................................... ,... 5 - 25 Points
Treatment processes for removal of toxic
Class)L....................................................... 26- 50 Paints
materials other than metal or cyanide .........
15.
Class 111 ..........................""........................... 51- 65 Points
woraf lo+ w. pwpea. es r.mor p . and w,p.ndrd surd. aM BOD .,i.ich is I„ ii d with In.
.eget_
Class IV_. ................................... ................. 66- Up Points
JDGE TREATMENT
pLlRadialan, Di,:nhukn ands.f al•rb;l,li.n p..... wi,;ZL G d. rk•. ..toting I., ar q.mma
rap.:
FaciMie$ having a rating of one through lour points, inclusive,
Sludge Digestion Tank - Healed ... . ... . . . . . .
1 0
do not require a ceilil:ed operatof. Classification W all Other
Aerobic. loll. ..
5
facilities requires a comparable gfade operator in lesponsibte
Unhealed ...... .......
3
charge.
Sludge Slabilixation (chemical or thermal) . . .
5
•PT•nu; alp etaWk'fnnnq .,,.,non ... . .lull. ,, ,m.,.
pd In cpol.. ­dd sola , . coq
r
c,.
sludge prying Beds - Gravity . . .. . . . ... . . .
2
Facilities having an aclivaied sludge process wilt be assigned
Vatuum Assisted . ..
5
a minimum classification of Class It.
Sludge f_lulriation........ ......
5
^fudge Condilioner (chemical or lheimal) _
5
Facili: es having l,ec!r.,cnl processes for ilia removal of metal
_
Sludge T16ckenef ravel .. _
g (9 � Y) loll..
5
or cyanide will by ase �Ined a niminium classification of Class II
Dissolved Air F1011i icn Unil
(not applicable to a unit fa;cs as (l) (1)
6
Facilifies hawing iiealrnlfni pirresses for the biological removal
Sludge Gas UlihratiDn (including goy btu ,+g r,}
2
Ol pl]osphorus will La :lsstgniid a rninimum classilicallof+ of Glass`
ill.
R4UWrinNs
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te •:ph] 9)k-, P11 Aoi"l- p„ levo„ fool aM Is, W ,ahar I,,lI,, a+ dawnlMw caAon sold," Ce,b.n
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mot. hipNr by&al.d 0.ct'. pa,tk4.:
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by r.y illv,uadan orad nn Grt.:salion; load, c.dn.'v,r! .Marr,., m :uty, v naewm. -
appi.d le land aia..r by>pnr;nq .n Aa .-floe. -167 aW,whe. ..clan elu Ina+
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