ML19325C174
| ML19325C174 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 02/14/1989 |
| From: | Abbott R, Henderson O, Remus R NIAGARA MOHAWK POWER CORP. |
| To: | |
| Shared Package | |
| ML17056A271 | List: |
| References | |
| AP-3.7.1, NUDOCS 8909180397 | |
| Download: ML19325C174 (31) | |
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i 1 PROCEDURE NO. AP-3.7.1 ,
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PROCESS CONTROL PROCRAM l 1 l i
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q 6 DATE AND INITIALS
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APPROVALS SIGNATURES REVISION 1 REVISION.2 REVISION 3 ) Superv3sor / i Radvaste Operations (
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e aon fu ///F . , A Superintendent Chemistry and Radiation Managemen k,<*. R. Remus _
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. ,_ l Station Superintendent j j NMPNS Unit 2. ( l
^R. B. Abbott S N U ./ W- ' , A,
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' General Superintendent Fuclear Generation q i
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J. L. Willis
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Quality Assurance Concurrence , Manager Nuclear - QA Operations D h t /t*) l
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C. G. Beckhnm- %Ac hQ cS
S - -rv of Pares , Egyision 1 (Effective 2/14/Ro ) { Pages Daic , ' 16,17,20,21 August 1986 1,11,N15,18,19, 22,23 February 1989 i NIAGARA MOHAWK POWER CORPORATION ,
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p&"f %,,,,**%,*% THIS PROCEDURE NOT TO BE
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p PROCESS CONTROL. PROGRAM TARLE OF 00NTEh'TS , l SECTION TITLE ZAGE. 1.0 PURPOSE 1 1 : 2.0 TECHNICAL SPECIFICATION REFERENCES 1 3.0 RF.GUIATORT RLQ0IREMENTS REFERENCES 1
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4.0. OTHER REFERENCES 2 5.0 SYSTEM DESCRIPTION 3 i ,. 6.0. SOLID WASTE SOURCES 5 , 7.0 PREREQUISITES 6 7 8.0 - PROCESS CONTROL SYSTEM COMPONENTS 7 8.1 Asphalt Process 7 8.2 ' High Integrity Container. 10 ; 8.3 Oil Solidification 10 8.4 Temporary Radwaste Processing (Contracted Vendor) 10 8.5 Dry Active Waste (DAW) 11 9.0 SAMPLING 11 ; 10.0 WASTE CLASSIFICATION 11 11.0 ADMINISTRATIVE CONTROLS 12 11.1. Quality Assurance 12 , 11.2 Training ~13 , 11.3 Documentation Control and Record Retention 14 , 11.4 Revision to the PCP 15 , Shipping Manifest 15
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11.5 11.6 Temporary Storage 15 r. A t
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A Process Control Flow Path 16' .
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B System Flow Schematic 17
, C Operator Worksheet 18 ,
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D Temperature ~ Profile Log 19 ,
.E 13arnwe11 Manifest 20
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7 US Ecology Manifest 21. ; i G Procedures Which Implement the PCP 23' ;
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PROCESS 00NTROL PROGRAM
~ 1.0 PURPOSE 1.1 The NMP2 Process Control Program (PCP) describes the guidelines' for processing and packaging low-level radioactive waste and provides assurance of complete solidification of various radioactive " wet j wastes" . in accordance with the applicable portions of NRC regulations ;
.and guidance. )
y' < This document satisfles the Nuclear Regulatory Commission's Low Level j
. Waste - and Uranium Recovery Projects Branch (WMLU) requirement and establishes process parameters within which the Werner & Pfleiderer Corporation Volume Reduction Systea (WPC-VRS) aust be operated: to '
.. ensure complete solidification. Conformance with WMLU requirements
. provides assurance that the requirements identified in 10CFR61, which state that Class A waste shall be a free standing monolith with less than 0.5% latent water, will be met.
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2.0 TECHh1 CAL SPECIFICATIONS REFERENCES
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2.1 Semi Annual Radiological Effluent Release Report, Section 6.9.1.8. l
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- .1. 2 Solid Radioactive Wastes Section 3.11.3 (a) 1
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2.' 3 Solid Radioactive Wastes, Section 3.11.3 (b) .
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2.4 Solid Radioactive Wastes Section 4.11.3 (a) .
. 2.5 Solid Radioactive Wastes, Cection 4.11.3 (b) >
{ 3.0 REGULATORY REOUIREMENTS REFERENCES 1 L. 3.1 Refer to '100FR61 sab part D technical requirements for innd' disposal facilities and final waste classification and waste form technical position papers (an approved process control procedure, Report No. WPC VRS-001, Rev. 1, May 1978). 0.2 Refer to 10CFR71 for NRC requirements (refer to S-RP-6). 3.3 Refer to 49CFR173 for D0T requirements (refer to S-RP-6). 3.4 Refer to burial licenses and criteria (of Barnwell and Hanford Sites) for applicable requirements. S. C., Department of Health and Environmental Control, Radioactive Material Licensee 097, as amended.. State of Washington Radioactive Material License #WN-IO19-2 as amended.
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><. 3.5 For disposal' of unused or off-standard chemicals. . Refer to l Requirements Resource Conservation and Recovery Act (RCRA) of '1976 i' (Ref. Corporate Guide to Hazardous Waste Disposal and Spill
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3.6 NRC Special Nuclear Material License No. 12-13536-02, as amended, for , Barnwell, SC. t
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3.7 NRC Special Nuclear Material License No. 16-19204-01, as amended, for- -i Richland, Washington , 4.0 OTHER REFERENCES 4.1 Nine Mile Point 2 Waste-Handling Proce'Jures e 4.,2 WPC Topical Repori. No. WPC-VRS 001, November 1976. Rev. I - May 1978 4.3 hine Mile Point .2 Quality Assurance Department Procedures 4.4 Nine Mile Point Nuclear Process Survey Procedure N2-CSP-14, " Solid Radioactive Surveillance Chemistry" ; 4.5 ~ Nine Mile Point 2 Nucit:ar Training Procedure S-NTP-14, " Training: and Retraining of Radiation Protection Technician"
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4.6 Nine Mile Point 2 Nuclear Training Procedure S-NTP-1, " Training and Retraining of Chemistry and Radiochemiatry Technician" 4.7 Nine " Mile Point 2 Nuclear Training Procedure S-NIP-13, "Radwaste Operator Training" 4, 4.8 Nine Mile Point Nuclear Station, Site Radiacion Protection Procedure f
= S-RP-6, " Packaging and Transportation of Radioactive Material" 4.9 NUREG 0123, " Standard Radiological Effluent Technical Specifications for Boiling Water Reactors" ,
< 4.10 ANS1/ANS-55.1/1979, "American National Standard for Solid Radioactive
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Waste Processing System for Light Water Cooled Reactor Plants" Regulatory Guide 1.143, Rev. O, " Design Guidance for Radioactive
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4.11 Waste Management System. Structure, and Components Installed in Light-Water-Cooled Nuclear Power Planes"
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4.12 NUREG-0800, " Standard Review Plan", Section 11.2 Liquid . Waste Management System P 4.13 NUREG-0800, " Standard Review Plan", Section 11.4, Solid Waste Management System 4.14 QATR-1 QA Program Topical Report ,
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# . 5.0 HFTEM DESCRIPTION q
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The Solid Waste Management System (SWMS) collects, reduces the i volumeJ solidifies and packages wet and dry types of radioactive .;
. waste in ' preparation for shipment off site to a licensed burial !
site. A process control flow path in preseated as Figure A, and a j system flow schematic diagram of the EMP2 SWMS is presented as Figure ] B. , f The Solid Waste Management System accepts dry solid trash which is, i when physically possible, compacted with a trash compactor. Resin .
- beads . or . ' powdered resins will be dewatered in high integrity >
containers or will be processed along with evaporator bottoms through ! the extruder evaporator. When required, NMP2 will also ust the ! I anrvices of a vendor to solidify waste. The extruder /evaporatir is a cue-step volume reduction and
- solidification procest.. Two screws inside the extruder / evaporator !
' convey the waste / asphalt mixture _ along .its length, con tin
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shearing and . mixing the' waste / asphalt. .The screw speed can be ! regulated - to control the evaporating capacity and residence time of ;
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the waste. The extruder /evaporatt,r discharges a homogeneous . mixture of asphalt and waste containing less that 1% latent water. l The solid radwaste system uses the extruder / evaporator to process - waste feed from two inputs: the evtporator bottoms tank or the waste l sludge tank. The waste is mixed with asphalt in the extruder. Only J one waste feed path can be processed at a time. ; The evaporator bottoms tank and lines are electrically beat traced to prevent crystallization of vaste salts. The contents of the tank are , fcd to the extruder / evaporator via a transfer pump that supplies i redundant metering pumps. 'rhe waste flow rate is controlled manually [ by adjusting the flow rates on the metering pumps. The contents of the waste sludge tank are fed to the extruder / evaporator by a syste- imilar to, but separata from, the evaporator .
- bottoms-feed system. . waste sludge tank is supplied by waste f rom l
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three sources: the radwaste filters, the floor drain filter and the spent resin tank. The waste sludge tank has the ability foi , decantation. A decant pump takes a suction of f the sludge tank and discharges to the spent resin tank. - The contents of the asphalt tank is fed to the extruder / evaporator l via redundant recirculation pumps, strainers and metering pumps. The ;
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asphalt flow rate it automatically adjusted to yield the proper ratio
. of asphalt to solids. The asphalt tank and lines are continuously steam heated to keep the asphalt in a liquid state for ease of pumping. ,
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i A s5.0 (Cont'd) As, the waste / asphalt mixture moves through the extruder / evaporator, j it is heated by steam from the electric radwaste boiler. This boiler ; is a skid mounted boiler system which utilizes electricity for steam i
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T production. It is a closed system, thus most of the water used for
,, steam is returned to the boiler as condensate via .the boiler feedwater . systems The boiler vessel is capable of supplying 1400#/hr of steam at 233 pig and 4000F. The steam applied to the extruder ,
is utilized in six separate heating zones for moisture evaporation. i o Each zone has . its on temperature controller for optimum operating [ conditions. i i Three devolatization porte along the extruder allow for water vapor .
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to separate from the prodect and enter the three steam domes. A :
< predetermined amount (4 gal.) of domineralized water is used, which .l dissalves and boils out any salt sediment at the devolatisation j port. ,The vapors are condensed in the steam domes using turblue ;
building closed loop cooling and drained to the distillate collection j system. i The distillate collection system is a recirculating system used to ; continueusly filter and cool the condensate from the i extruder / evaporator steam domes. The condensate is recirculated from - the distillate collection tank through the distillate pumps, roughing ,
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filter and the distillate cooler, then routed back to the collection tank. The level controller maintains collection tank level and . system flow. A forced circulation ventilation system is incorporated into this . system, consisting of a vent hood over the extruder / evaporator I turntable, a f an which draws air f rom the plant ventilation system
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across-the extruder / evaporator turntable, and liner cool down areas. The extruder / evaporator product empties into 50 cubic feet liners. .! The liners are placed on the fill station turntable. The operator indexes (turns) the turntable, via a control switch, placing a- liner !
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under the discharge chute of the extruder /evapo::ator. This. turntable holds three liners. When the liner _ level reaches a predetermined level, a high level alarm sounds to inform the operator it is time to ,
- l. index the ccntainer. Liners are indexed without shutting down the extruder / evaporator. Using control switches, the operator, via a l
- pnoumatic carrier, extends a drip pan under the extruder / evaporator ;
l discharge chute. The operator then indexes the turntable. Once the ; new liner is in place under the extruder / evaporator discharge chute, , the pneumatically operated carrier is withdrawn. During this , k , withdrawal operation, the drip pan is removed f rom the carrier by a j L stationary arm as the carrier retracts past the arm and drops the i drip pan into the new liner. ; l $ lI l, j
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y i'i 45.0 (Cont'd) t , Full liners are removed from the turntable- to the cooldown area via a i
- j. . radio controlled / operated crane. The liners remain in the cooldown ,
i < area for approximately 52 hours. After the cooldown is completed the ! liners are capped. They are then moved by crane to the storage area ' l
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using a ceiling grid coordinate system for placement of the liner. Operation of the extruder evaporator is detailed in operating t
-procedure 2WSS-OP-41. l 1
i , 6.0 SOLID WASTE SOURCES
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A description of each solid waste source is provided belows Radwaste ! Filters - These mechanical filters filter resin and crud -(backwash !
- material) fecm the waste collector sub-system. When a filter reaches ,
a pre-determined differential pressure, it backwashes the material ' into the hackwash tank, which is then pumped to the spent resin tank. ! Radweste Demineralizers - These domineralizers are used as an ionic ,
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exchange media for processing high quality water from the waste collector tanks. - Wht.n determined that the resin can no longer be l regenerated, the depleted resin is pumped to the spent resin tank. !
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Condensate 'Demineralizer - These demineralizers = remove soluble and l insoluble impurities from the condensate water to maintain reactor ; feedwater purity. After it is determined that these resins can no [
' longer _ be . regenerated, the depleted resins are pumped to the spent resin tank. -
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Floor Drain Filter - Contributes to solid waste because it uses diatomaceous earth to process liquid waste of low quality. Input to the filter is from the floor drain system and the regeneration vaste i tank. When the filter reaches a predetermined pressure drop it backwashes to the waste sludge tank for processing through the extruder evaporator.
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Spent Fuel Phase Separator - These tanks receive the exhausted , powdered filter (ecodex) coating f rom the fuel pool clean up system which is subsequently pumped to the spent resin tank. RWCU Phase Separator - These separator tanks receive exhausted ecodex or powdered resin from the reactor water clean up system which is
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subsequently pumped to the spent resin tank. Contaminated Oil - Oil from sources within the unit that become contaminated will be stored in containers to be solidified by a vendor with an approved procedure. l
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Compactible Solids - Compactible low level trash will' be processed , and compacted in a hydraulic-operated box compactor. Shoe covers, .- trash, contaminated paper - from the chem lab, and similar materials ( are included in this category. '!+ f Filters and Miscellaneous Items ' slid items with higher dose rates j b than those above will be handled on a case-by-case basis, being i disposed of by methods acceptable to the burial site. They will, for ;
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example, be placed in.a suitable cask prior to shipment to the burial-
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site.
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Waste Evaporstor - The waste evaporator processes Iow quality warte ! from 'the . floor drain collector system and, as an option, waste f rom , Ib the waste discharge tanks. The _ waste evaporator is designed to l concentrate to a 25% solid concentration. The concentrates are then l discharged to the evaporator. bottoms -tank for processing through the ! extruder. evaporator, j Regenerant Eve.porator - The regenerant waste evaporator receives !
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regeneration solutions from the condensate domineralizer system and i radwaste demineralizer resin regeneration system as well as the : radweste regeneration sump. The regenerative waste evaporator is i designed to concentrate to a 25% by weight solid concentration of > sodium sulfate. The concentrates -are then discharged to the evaporator bottoms tank to be processed through the extruder 4
- evaporator. l Spent Resin Storage Tank - Exhausted resin from the condensate ,
demineralitet, the radwaste demineralizer, RWCU phase separator, the spent fuel pool phase separator and the radwaste filter backwash tanks are sluiced to the spent resin storage tank. The waste from l
' the - spent resin tank is pumped to the rvaste sludge tank for processing thorough the extruder evaporator. ,
7.0. PREREQUISITES 7.1 Adhere to Station Radiation Protection Procedures.
- 7. 2' Assure proper asphalt input per ASIM-D-312-71 and N2-CSP-14. ;
7.3 Assure that NMPC Safety Procedures are adhered to. 7.4 Assure- adequate recirculation of waste to be solidified (per 2WSS-OP41-Asphalt Operating Procedure). 7.5 Assure proper ventilation (radwaste ventilation). .
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AP-3.7.1 -6 February 1989 ,
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=**- 8.0 PROCESS CONTROL SYSTEM COMPONENTS 8.1- Asphalt Volume Reduction Evatem '
Variables influencine End Product Properties This section identifies and defines the process variables of the WPC-VRS System. These process. variables have a direct bearing on the properties of the final waste product and relate only to the 'lity.
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to : f orm a f ree standing monolith with essentially no f ree-standing water.- Additional process variables, such as pH, . must be controlled. to minimize corrosion within the system. However, because these variables do not affect the ability of the waste product to fom a monolitMc neliA upon cooling, they will not be discussed below.
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The following variables influence the properties and consistency of the final solid product:
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A. Asphalt type; B. Waste chemical species being incorporated into the asphalt matrix, water content; , C. Ratio of waste-to-asphalt; and D.' Process temperature.
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A detailed discussion of the effect and limitations placed on each of the foregoing items follows: 8.1.1 Asphalt Tvoe NMP2 will use an oxidized petroleum-based asphalt, conforming to
-AS1M-D-312-71 Type III requirements. This grade of asphalt has a low residual volatile content, 'and a high molecular weight. At room-
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temperature, and at all normal ambient conditions, this material is a freestanding monolith. Unit 2 will specify Witco Pioneer 221, or an
. equivalent. This is one of ' the means by which process control for'
, asphalt quality is achieved. Werner & Pfleiderer Corporation will be consulted if use of nn alternate asphalt material is planned. A chemical analysis will be performed on each batch of asphalt received at the site. Verification of the asphalt type will be done per l' N2-CSP-14
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- l. 8.1.2 Uaste Chemical Species 5 Testing will be done to determine the oil content and physical properties of the waste to be solidified per N2-CSP-14. The type and
- - relative quantity (waste-to-asphalt ratio) of waste chemicals being incorporated in the asphalt matrix has a direct influence on the properties of the final product. Encapsulation of inorganic salts i
and solids typically "stif f en" and harden the waste product; whereas organic liquids have the opposite ef fect. When the proper ratio of
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l' l' waste-to-asphalt is maintained, final product properties relative to l solidification.for all practical purposes, are "independent " ~ of the ~" !_ vaste type. AP-3.7.1 -7 February 1989 y
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~organico contaminants \ in the , waste f eed- stream for process - control',
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and Unit 2 adheres to'_these.guidelities. j 6 % ., NY ! 8 I'. 3 ' blas t e-t o-As phal t Ratio'in the Prnsgt- , ; The ratio of waste-to-asphalt ~ contained 'in the -_ end-' product hasatheL
. most bearing on the viscority end physical consistency of the producti ;
4 during processing. The m: wmoended weight ratios of waste-to-asphalt ~ :
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' for each waste' feed is as ;ollows:
%
g htio of W Waste-to-Asphalt W Feed in the End Product-y 1. Evaporator Concentrates 40/60 to 50/50*
- 2. Spent Resins 45/55 to-50/50* ,
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'C -3. Filter Sludge M/60 to 50/50*
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*" Optimum value depends on type and- quantity of contaminants- :
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Should - the ratio - of ; waste-to-asphalt be increased above the range' specified in- the foregoing table, the end product- viscosity wi' i ,
' increase and _ may1 exhibit a grainy texture. This -could lead 1J q "pyra:alding" of the product in the container, thereby decreashg t.5a
. con'.alaer ' filling ef ficiency. In all cases, the produet will col w ,
form a: f reestanding monolith. If lower
- han specified waste loadings are realized, the end properties will approach that of pure asphalt.
Proper waste-to-asphalt ratios in ~the product are automatically maintained . by a -toordinated propertioning feed system to the-
. extruder / evaporator. Operator involvement- is limited to setting the initial proportion 'of waste-to-asphalt flow. To -do - this, the chemistry - department will dettruine, by, sampling, the solids coni.ent -
y < , of the waste -feed. . .After the; . sample' analysis, the chemistry-E department will determine the- proper feed ' control settings. See ;
. N2-CSP-14 for flow = rste calculations. The operator' must visually .l ,
4' confirm that. the proper ratios are being maintained. ; A CCTV ' camera can be used to " view" the discharn* from the extruder / evaporator, and I/ the TV monitor located in the control room allows the operator to 4
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, observe the physical consistency of the product it is discharged Flow rates will - be ca1
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[,' , into the container. based on the-b information supplied in Tupical Report No. KT. -1 Rev. 1. May 1978 - Appendix B Solid Contents. 1 Li, . i m -
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3, , .iA . proper it emperature proffle' along ithe . length: 'of. t h e -- .{
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" extruder / evaporator, is required. to; provide ~ adequate evaporative .
(procesa)" capacity, and -- to ensuse' that - f ree waterc is not ; discharged-
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' f romithe machine. The5 procesa3 temperature profiles for all' typical 1
; Nine' Mile-Point wasteltypes are as'follows:-
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' ' - -s Waste Type Process Temperature * (OF) ! > u
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2ones:- 1 2 3 4 5/6 -7 i
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Evaporator Concentrates 165 -265 ' 300 330 375 350 Spent Resins, Filter - 165 265- ' 285 300 285 -230- ,
' Sludge ,
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f* Temperatures are approximate.
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- 1.ow temperature calarms are provided to alert the operator toia-low ,
temperature otf-normal- coadition which could potentially lead to the -j discherse of free water. These ala ms are . based on a percent (%) , deviation . f rom ' set . point, typically i 100F. Thez percent deviation !
- permitted can ,be:-adjusted in the - field . up to - + or -. ' 25% - (+ or - i 750F) of the instruments range. :
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- If- -off-normali conditions . persist for- two minutes,. the
. extruder / evaporator is . automatically tripped ' to prevent f ree_ weter;
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cf rom being ~ discharged' into the ' container. Free water cannot be
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1 ' discharged .in .the. interim, because' the. residual heat . of. the , extruder / evaporator' itself is suf ficient toi effect' evaporetion. The foregoing ? controls / interlocks- are provided to prevent the discharge i
~ of- free water to the- container. The temperature ' profiles - specified l
* :-above have been proven by experiment to yield residual total moisture j content- in 'the product of 1% by . wt:ight _ for waste concentrates (inorganic'; salts) and 10% by weight for bead resins. This omargin provides assurance that frce water cannot be discharged under normal
.
circumstances.. Under upset ore of f-normain conditions, discharge of ' free water is prevented by the low temperature process interlocks.
-
! Temperature' profiles will _ be logged every two ' hours . of equipment- ]
operating run time. See Figure "D". , 1 Minimum Functional' Components 8.1.5~ ,
;
, f In support of maintaining the four major process parameters; w;.
" - Process Temperature y N - Asphalt Type ,
- Mixture Ratio
- Oil Content b . - , ,.
-
AP-3.7.1 -9 February 1989
- - . _ . . , _ . . . . . .
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i 8.1.5_ - '(Cont?d)- .l s
- '
~and'.. to assure a : stable waste form - consistent - with the guidance of-
-
_ the - PCP, operators' will ensure that the following list _of qquipment is~available,'as a minimum, prior to beginning-processing:: - n + j 1 ,
'- closed circuit television system at the asphalt loadiag stations; .
l
- all" temperature profile -monitoring instrumentation - with.
- x; calibration;
.
,
,
'
~.: the. asphalt and waste metering equipment.are operationall and j d
- all radwaste sampling stations. ;
,
' Wastes will' mot be : processed 'through - the extruder / evaporator, when- ' '
]
.any of the above. equipment is inoperative.
J8.2- Hirh Interrity Containers NMP2 will_ also use _ a high integrity container (HIC) for dewatering to-satisfy the' stability. requirements. Each_, HIC used will have a 1 certificate of complians.n available and . dewatering _ procedures based ' ,, on an~NRC anoroved vendor nrocers control nrogram or " Topical Report"
- '
'
- will be a part of N2-WHP-4 Cask 1.oading procedures. Documentation of- .,
>
adherence to these procedures shall be kept as. records.- J8.3 011 solidification ' 2 4
'
' Contaminated oils will be stored in containers -at -- designated . areas
'
4 withinLthe plant. A vendor with an approved process control program
.that. is . acceptable at the burial sites will be used. to_ solidify the
,
~
L p~ Joil.- An- operating procedure for the' portable -. oil -_ solidification
-
-
system. will be established as N2-WHP-10A.. A sample production level _ ; a process control program will'be established as N2-WHP-10B. J , .
-Temocrsry Radwaste'Processine (Contracted Vendor) lj . 8.4 ~
.
_, 1 L s In' the event NMP2 requires the services of a contracted vendor ' to - ', ' L temporarily process ar.d package radwaste on site, NMPC will obtain (' _the services of an NRC approved vendor demonstrating their comm itment to 10CFP al stability requirements.; The vendor must darronstrate that
. j; hey have completed Class B and C testine or provide a schedule of
, j , L comoletion. Vendot- must have an aporoved crocedure to process Class ~
,
"A" waste.
. A11r vendor procedures will be reviewed and approve ( as required by cite Administrative' Controls. The operating procedure for the vendor
'
solidification wil.1 be approved. A production sample level process J
'
control procedure shall be implemented. The vendor shall be provided samples per 2WSS-0P-41 and N2-CSP-14 H k
-
- l. ,._,_
AP-3.7.1 -10 February 1989 ,. m ,- , 'F ._ - . . -._
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8.5 Dry Active' Waste (DAEl m
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NMPNS.! Procedure M No. ,1 N2-WEP-12, " Solid? Dry -Waste Collection 'and
" Compaction". describes the -proper and safe; steps required to collect -
1 3
>
.,
-
.and . prepare .Iow nspecific: activity : DAW. for; off-site shipment.
't 1 Procedure - No.: N2-WHP-11',: " Process Control DAW", _ assures.- the pro:ess
- "contro11 of : Dry -' Waste Collection and Compaction by identifying those-
, items which most' directly influence - the quslity of the end producte-J
'
,
- All dry active waste.-is' examined. bef ore compaction, . and ~any liquids or eitems : found that would compromise: the : integrity of = the package or .
'
;
4 violate: the burial rite licensel and/or criteria are removed: and separated as. specified= in .this procedure.~ ; Dry active- waste ~ is
-shipped - in ._ containers that rseet the transport requirements; of' 49CFR173.425.- At times, radiation If mits preclude disposing of DAW in LSA. boxes : or_ drums, = and this waste is disposed of in . liners per -
-
Procedure No.'N2-WHP-4.
'
9.0 SAMPLING
. All . the various sources of wastes are directed to one of 'two final-tanks.3 These - tanks are the evaporator bottoms tank (Ikl0)w and- the waste sludge. tank-(Tki).. When ready to process waste'from one1or the
- other - of' the / above sources, the tank's contents are isolated from further input, recirculated t.nd TkB agitated to ensure a homogeneous mixture.. Once these tanks are isolated, no further waste is added and . a batch i number : will be assigned per - the operator work sheet.
= Figure "C"
.
Before processing, a sample. of each, batch is obtained hom . the tank in ~ accordance with Operating Procedures N2-IOP-41, " Asphalt ! Solidification Operating Procedure" and N1. CSP-14, " Solid Radwaste
>
Surveillance". The samples are analysed and the sample data form in
'N2-CSP-14 ~is completed. Chemistry personnel will- determine ~ the chemical and radionuclide content of each sample Ein accordance with the- procedures as listed. After the-sample is analyzed,.the-operator willtcomplete the " Operator Work Sheet" per instructions and complete.
L -the "" Temp Profile Log"- (Figure . D")- " during processing. After collecting the- feed rate data from ' the chemistry department, the operator will select the given feed rates for introduction into the '
/,
extruder / evaporator. - Should circumstances result in interruption of a batch, the source ,
,
tank will be isolated and remain so until processing can; resume. ! 10.0- WASTE CLASSIFICATION e The Supervisor of Radwaste Operations shall ensure the minimum - waste l characteristic requirements identified in 10CFR61.56(a) shall, be satisfied via implementation of Procedure S-RP-6.
.
'
-
. . . ~ . . - . ~ .
!
AP-3.7.1 -11 February 1989
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7v.hJ.L > The= LNMP2 PCP assures . thet. wastes = determined ' acceptable for near og, ' surf ace 'disposali are : = properly : classified for .the : purpose' -of 1 j segregation :at' the ' disposal. rite. Waste classifiaation. is performed l-
' ' '
consistent with;'the guidance provided-'in: the Branch . Technical. position - pertaining Ltof Waste Classification.. and is based upon the g concentration' of L certain- radionuclides in the waste form a2 given in
-
~C L100FR parts;61.55 and.61.56.- The Lmethods stilized by' NMP2, and theI. frequency for determining the-radionuclide concentration of the. . final ' waste form is conducted in _accordance with NMP2: " Procedure
~
For Solid- Radwaste- Sampling",.
, ,
' N2-CSP -14. Classification wil1~ be performed: in accordance with
,
S-RP A, " Packaging and Transportation of Radioactive - Material. .
' '
IChemistry and Rad. Protection assume these responsibilities. 11.0 AIPIINISTRATIVE CONTROLQ
~ This section-~ of ' the ' NMPC JCP describes administrative controls. as 7 : they relate to quality assurance, training, documentation, and' record
- keeping programs implemented by the PCP.
Administrative controls are utilized to ensure that all processing is' !
' performed. in accordance with the guidelines set forth in the PCP. q Management controls are established for the saife operation of NMP2. '
4
.i c11.1 Oum11tv Assurance j Implementation - of the Operational QA ' program -is assured by ongoing ' !
review, -monitoring- and audit functions ' in accordance with- the ' Applicable'NMPC Quality Assurance Department Procedures. I
.The'Menager.- Nuclear-QA, operations has the ruth'ority to stop work -l
+ when significant conditions adverse to quality require action.
j
.
.
. . .
'
The _ Nuclear QA program assures compliance with the waste classification and characterization' requirements of 100FR61.55 and r
-
.10CFR61.56.
-With respect to waste characterization, the requirements. of 10CFR
,
61.56 are intended to provide stability of the waste. Stability is intended ' to ensu-e that waste does not structurally ' degrade and ; nffect overall stability of' the waste disposal site. The auditing function of the Nuclear QA program' assures that~ stability l requirementu are achieved in accordance with 100FR61. l
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_n .In f the, event aL vendor -is ; contracted to perform L temporary radwaste ;; 9 M - services,ithe Nuclear - QA program requires.. management review of. the
~
~ vendor procedure.- Tue . purpose of 'this review' is to - assure that :
' vendor. . operation- and requirements. ~ are. compatible. with
'. '
responsibilities ' and operation- of NMP2. Vendor services a re' , p, ' subjected to the san.e -QA review outidned in. the QA Topical. 3 !
>
l K :11.2 , Itsininz A . training- - program '.is being implemented for personne1' having
. responsibilities related to vaste processing operations. .The results.
of this ' training program sua11 ensureo that waste processing is . performed within'the specific requirements of the PCP.- To accomplish ti
'
this objective and to provide the' necessary control of the solid waste processing the .following training programs will be implemented.
'
,
- 11. 2.~ 1 Radwaste Ooerations' Unit 2' Plant Train 4 ni Prorram -
l
'A. . .These- programs are designed- to provide competent, . trained -. ;
personnel. During classroom instruction, each . operator - must i g qualify ' by completion of the described course with ' an average ,
,
grade of 80 or above. On-the-j .b training, in conjunction -wi th classroom instructions, will ensure that each radwaste operator maintains - an~ acceptable level' of skill and familiarity , associated ' with radwaste. controls and operational-- procedures. Due to the involvement. of radwaste operators in the start-up of , NMP2 radwaste systems, the experience gained will suffice for
"-
-the on-the-job training requirement. The . training procedures are detailed- in the _ Nuclear Department Training Manual..
(N2-NTP-13) This J training. includes f amiliarity with the. following radwaste components.or related systems. ,
!
- -- LIQUID - Drains, collection tanks with sub systems. . waste and regeneration evaporators, seal water
-
,
- - SOLID - Extruder-evaporator and associated support systems ,
- - LWS - Computer operation and interfaces 3
- Waste. handling procedures for packaging and shipping of ,
'
radioactive material
- Condensate-deminera.izer1 system
- Spent fuel and phase separators subsystem
' - Steam supplies
,
wev. ..r-Avry, _ t.e r wa y- : g> v' AP-3.7.1 -13 February 1989 _ , .
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@4 '11.2~.1.I Chemistry 'and' Rat J Chemistry Technicians will be trained perJ _ >
a: y" '/ S-NTP-1, " Training and Retraining of Chemistry Radio Chemistry / . J
. Technician".' . 'i
'
7 ; [ s
'
11.2.1.2 *.aa: trotection- Technicians: will be = trained - per/ S-NTP-14," Training and
- Retraining of Radiatiod Protection Techs".. l m 11.2.2) _ Trainine Schedule
.
The formal classroom Rade ste training program'is scheduled. depending.
'
on the needs' of; the Rahaste Operations personnel. This . training 1-
-could be ' covered in a continuous cycle or as a part of the normal
.y rotating shift schedule.
.I
'
- 11;2.3 _ Personnel Retraining
'
Personnul will be retrained on an annual basis to identify individual i needs for . retraining. Personnel- demonstrating a .significant :
'
- deficiency in a ;given- area of' kr.owledge and proficiency may, be placad' -
,
.into-a Sremedial training program. This program' is specifically _L structured tc upgrade know1*dge and skills identified as I
' deficiencies. Successful completion of the occelerate' training i program is evaluated by a' written and/or oral examination. l The_Requalification Training Program will cover fundamental review-of system modifications, revisions of procedures, and- changes or
. experiences'in the nuclear industry.
11.2.4 _ Training Racords - The training records shall be' maintained for audit Land . inspection purposes. These records are considered permanent records and shall meet the applicable requirements of " Requirements . - f or- Quality Assurance Records f or Nuclear Power 'Plents" and . AP-9.0,
" Administration of Training"..
11.3 Documentation Control and Record Re' entien QA program sudits of waste classification records are performed on a ;
' periodic basis. Management' evaluation- of such audits shall be , ._
performed and as such satisfy th'e requirements of,10CFR20.311 (d)(3). q- .
;
,
Audits of the Radwaste operating procedures shall be performed by the
-Quality Assurance Department at a minimum of once per . 24 months. ;
> Changes to- operating procedures shall be reviewed on an as required
' basis by Nuclear - QA in parallel with the NMPC Operations Review.
All Waste : Management Records shall be maintained per Administrative ; Procedures.
.
!
. - ..._;
AP-3.7.1 -14 February 1989 _
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41.4. Revision to the PCP. , 1 L ProposeA.;- revisions to the : NMP2 ~ PCP will : receive approval. These !
' ".
revisios.e may .be initiated as a : result of o proposed plant operations. and : betterment initiatives, system design- changes, maintenance' -; irequirements, AIARA concerns or= temporary vendor interfaces. ;
!~ The TCP, Dif revised, shall be submitted to the NRC. ,
11.5 Shiopina Manifest' (See Figures E and F)
, ;
-- ' All . shipping manifests will be completed and tracked to satisfy the. ,
*
-requirements'in-10CFR20.311 per Waste Handling-Procedures.
-- Radwaste Management will monitor the status of Manifest per N2-WHP-2,
- Section 6.9.
( 11.6- Tamnorary Storage
'
h Any.' =alid redwaste material that is to be temporarily stored while I awaiting shipment in an area ether than one in which such material is ! designated to be stored will be done in accordance wita AP-7.2..
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Pre-Req
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Asphalt Sampled N2-CEP-14
'?NRR 07 41 N2-e xp- l /* Isolata and Mix W e Wasta sore M2-WHP-9B Chemical Ana! tta v.
'
N2-WHP-108;
.
UEE OP-41 N2-WMP-9
- 1 N2-WMP-9A i Process H, N2-intP-9D . N2-WH7-85 Wasta Form 'i.
i N2-wp-t1 '
'
N2-WHP-12 N2-WEPd* ! To Storage P.T 1 1
-
-
or ship for e l s-RP-6
-N2-WEP-9 Classify.1.abel and Stora Wasta Form l_discosal f .;
ve eco.i e.
'l 52-kTP-2 '
i i S-RP-6 1 Prepara Stanifest '
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. 32 rip-2
. ,
Notification for Shipping to Disposal
'
Site
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- C'.csa
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- 12 'HP-2 .
Tila on 1 S-RP-6 SHIP * .1 . *
- l N2-WMP-Wasta Form cerm .
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!. , E Close g,,g,
- File.on Wasta gg / Received At Disposal yg Investigate
N2-WHP-2
. .
Disposal Site L Form Sita _ (If to N. ne follow thru N 2-w,-2 .. L 4
.. _
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, AP-3.7.1 -16 August- 1986 ~
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Filters- = Filter -SWMS FLOW SCHEMATIC
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EvaporatM [ -T g
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I- * ~ Distillate. Bottoms - co11.ctten
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'
; Bottoes Pump
't.ube 011-1
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'
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'
Pumps l mi. d
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l l nn EXTRWDER/ EVAPORATOR
-
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Cooler " - Down: Ares Asph'ai t . l
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Tank 7,g o g g _- . Fill. ; .
-
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L AP-3.7.1" -17 August 1086' " t, ' N '
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110N. Operator Warksheet d
-
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10.2.1 ' : Batch Number 'Date :i
.;
,
"A
- batch '. is considered : (1) . a sampled Sludge- TK, or (2) . a'sampledL EVAP.- ,
bottoms tank with no -wante being added. to the tank - during . the
;rocessing of that batch.'
_
;3.: -
' NOTE - Batch. number will . consist of; ~ BA (Batch Asphalt), year,- and a four-digit successive number,J(beginning with 001).- ;
.
Ex. _.BL. 84 ____ 001 Unit Year Batch-Number ,
!
,10.2.2 Typecof Waste _ Rec'u/ Filter Media Concentrate. Waste _ a
,-,
A) : Wa's tel Temperature DJ B) Rad Level ,
^
C) Specific Gravity
, - D) . -pH
% Oil i E)
F) % Solid G) Activity pCi/ml *
/10.2.3 feed Flow Settings
.
10.2.3.1 Asphnit. Feed Flow Settings ,
- .10.2.3.2 Waste Feed Flor Settings
.
-10.2.4 Radioactive materials classification .
fA)- Radioactive materials LSA 'I LB): :Other 10.2.4.1 Waste container labeled in' respect to S-RP-6. NOTE: Labels _with the appropriate data will be supplied to - the - Radwaste Operator by the Radiation Protection Department / Chemistry Department. The operator must label container, f . . 10.2.5 . Radioactive waste classification Class A Waste
'
A)
'
B)' Class B Waste C) Classic Waste , 10.2.5.1 Waste container le.beled in respect to S-RP-6.
.
NOTE: The radwaste operator will receive labels and marking f rom t h'.s Radiation- Protection Department. The radwaste operator E will label containers. ,_. , ,_ q
=
AP-3.7.1 -18 February 1989 , a;
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.
.
. Temperature. Profile Log, :;
_ y' :-
,
*
' Record 1of Temperature in: Degree CF every two hours of- rua . time ' for . ;
7, , . 1.L y Q articular batch.'
-
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,
9 ,
.
.
,
4 TYPE OF WASTE
. BATCH NUMBER ! .
4
-START' TIME .,
,
s
,
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-
Batch #1 ~1 2 -3 4 5 '6 7 Initials / Time'
.t
. .. .>
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'
. Normal' Temp.l Sludge- f165 265 300 .330 375 375 350'
- Normal: Temp. : Conc. < Was te ' .165- 265- 385 300-' 285- 285 230 ;
. After 2 Hours
,
;
"I
^
E Aft'ar 4 Hours
^ '
'After 6 Hours
>
-hfier 8 Hours i
' :After 10 Hours
-
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. After 12 Hoi.rs .
' Af ter '14' Ecurs' ;
'
.
.;
After 16 Hours
' t [
-
- .After~18 Hours ]
,
4t g 20 Hours
'
After 22' Hours-
'
I, dfter' 24 Hours'- 1 10.3.$- Did temperature profile remain within ?imi.ts? I
- NOTE: The temperature profile shoulo be monitored constant.ly but -
.must ce logged every two hours, '
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. . <Ao s we . - s +e. = eg.
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, AP-3.7.1 -19 February 1989 1
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' The presadere seemies adequate stolparant liste, presamtlene and lie &tellees.
prwegoleltas, graptie, disgress er desa sheese es requires. . . -. -~ -. @- M ~. se,suiense sad - preseewe causeos punt noACT - enemisses sim . @ k -p
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Pa'ge~10 DELETE'- .
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Page 11- CF.ANGE/ ADD .
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The Radwaste Supervisor sh ensure the 1ninimum vaste characteristic-
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second paragraph, "The administrative controls. .. . . . . prior to + processing"'
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i t i Page 14 CHANGE -
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11.2.2 Training Schedule The formal classroom Radwaste training program is scheduled , depending on the needs of Radwaste Operations personnel. This training could cover a continuous cycle or as a part of the normal rotating shift schedcle.
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