ML15203A851

Written Communication as Specified by 10 CFR 50.4(b)(1) Requesting U.S. Nuclear Regulatory Commission Approval to Amend the Technical Specifications Appended to Amended Facility License No. R-103 Pursuant to 10 CFR 50.59(c) and 10 CFR 50.90

ML15203A851
Person / Time
Site:	University of Missouri-Columbia
Issue date:	07/20/2015
From:	Univ of Missouri - Columbia
To:	Office of Nuclear Reactor Regulation
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ML15203A883	List: ML15203A851 ML15203A855 ML15203A862 ML15203A867
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Download: ML15203A851 (46)

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ATTACHMENT 1I M ED IALMO 6 Operating Manual7. Connector Pin Assignment 7.1. Device ViewINetwork inpreparation Serial --number24V power Isupply unitConnection fortraffic light / acoustictotal alarm A+BConnection fortraffic light / acousticchannel 1 to 6[+Interfaces 7.2. FusesMain fuise2.5 ATFusetotal alarm B IATFusetotal alarm A IATLCDcontrastcontrolProbe connections channel 1 to 6FuseProbes 4.5 and 61 ATFuseProbes 1.2 and 31 ATIssue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornbluthstrasse 14 a, D-01277 DresdenPage 59 ATTACHMENT 1M F -1)ALMO 6 Operating Manual7.3. Connector Pin Assignment Data Transmission AThe interface function (configuration) can be set on the menu (see 4.9.4):Pin1234567USBSignal24 Volt5 Volt -USBUSB-DMUSB-DP0 Volt -USBPin1234567RS-232Signal24 VoltRXTXPin1234567RS-422Signal24 VoltRX-BRX-ATX-BTX-AGNDPin1234567RS-485Signal24 VoltBAGNDGNDF-51[w3Ei]__zELISocket type:Cable connector:

Connection cable:Binder subminiature circular connector Series 712 09-0427-90-07 Series 712 coupler connector 99-0426-00-07 Three pair-wound shielded control line AWG 262P x AWG 26CPage 60Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Domblilthstrasse 14 a, D-01277 Dresden ATTACHMENT 1ALMO 6 Operating Manuallm_"" -7.4. Connector Pin Assignment Data Transmission BThe interface function (configuration) can be set on the menu (see 4.9.4):Pin1234567RS-232Signal24 Volt5 VoltRXTXPin123RS-422Signal24 Volt5 VoltRX-BPin123456RS-485Signal24 Volt5 Volt4 RX-A567TX-BTX-AGNDBAGND7 GNDF51F-IF2_-F,Socket type:Binder subminiature circular connector Series 712 09-0427-90-07 Cable connector:

Connection cable:Series 712 coupler connector 99-0426-00-07 Three pair-wound shielded control line AWG 262P (3P) x AWG 26CIssue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblilthstrasse 14 a, D-0 1277 DresdenPage 61 ATTACHMENT 1i M EV IALMO 6 Operating Manual7.5. Connector Pin Assignment Alarm Output Channel 1 -6Pin12345678SignalLED lightLED lightLED lightLED lightTraffic lightTraffic lightTraffic lightTraffic lightredyellowgreencommonredyellowgreencommon / GND ** If the output is switched potential-free on the menu, the common of the relay is onpin 8.If 24 Volt is switched at the traffic light outputs, then pin 8: OVolt (ground).

4-] /8wF]EL E6EL2E]Socket type:Cable connector:

Connection cable:Binder subminiature circular connector Series 712 flange type socket 09-0424-90-08 Series 712 coupler connector 99-0421-00-08 LiY 8 x 0.14IPage 62Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dombltithstrasse 14 a, D-0 1277 Dresden ATTACHMENT 1I MED IALMO 6 Operating Manual7.6. Connector Pin Assignment Total Alarm Channel A and BPin Signal1 External quit button2 External quit button3 External acoustic4 Power supply for Acoustic at potential-free 5 LED traffic light red6 LED traffic light yellow7 LED traffic light green8 Traffic light common / GND ** If the output is switched potential-free on the menu, the common of the relay is onpin 8.If 24 Volt is switched at the traffic light outputs, then pin 8: OVolt (ground).

F418L6_w2wSocket type:Cable connector:

Connection cable:Binder subminiature circular connector Series 712 flange type socket 09-0424-90-08 Series 712 coupler connector 99-0421-00-08 LiY 8 x 0.14Issue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblithstrasse 14 a, D-0 1277 DresdenPage 63 ATTACHMENT 1ALMO 6 Operating Manual7.7. Connector Pin Assignment Pulse InputPin Signal1 VCC probe2 Pulse input3 Probe identification 4 AD identification 5 GND21/2~LF51Socket type:Cable connector:

Connection cable:Binder subminiature circular connector Series 712 flange type socket 09-0428-90-05 Series 712 coupler connector 99-0425-00-05 Special probe cable pulse line shieldedPage 64Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Domrbltthstrasse 14 a, D-01277 Dresden ATTACHMENT 1I in 1: 1) 1ALMO 6 Operating Manual7.8. Connector Pin Assignment Power SupplyPin Signal1 24 Volt2 24 Volt3 GND4 GNDMSocket type:Cable connector:

Connection cable:i-]3inder subminiature circular connector

eries 712 flange type socket 09-0428-90-04

eries 712 coupler connector 99-0425-00-04 Vall power supply 24 Volt = 2.3 AIssue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblithstrasse 14 a, D-0 1277 DresdenPage 65 ATTACHMENT 1I MIA) IALMO 6 Operating Manual8. Maintenance If used correctly, the instrument does not require any particular maintenance.

Theonly maintenance of the ALMO 6 consists of frequent cleaning of all surfaces fromdust and other deposits.

8.1. Accumulator (rechargeable batteries)

In order to check functioning of the rechargeable batteries, monitors with UPS(optional) should be disconnected from the mains once a month for one hour in orderto operate with the batteries.

If the rechargeable batteries are unable to last for this time period, they have to bereplaced.

In case of (rechargeable) battery operation, a battery symbol is displayed in thelowest line on the display.

If the voltage is too low, it is indicated as selected in themenu under 'Error displaylUndervoltage' (see 4.9.5). The instrument is turned offautomatically if the voltage is too low.After max. 2 years, the rechargeable batteries (type AA) have to be replaced by newones.Attention!

Never use non-rechargeable batteries.

The monitor can be destroyed byleaking or boiling batteries.

In case of stocking the instrument for a long time, the rechargeable batteries have tobe removed in order to avoid total discharge.

Page 66Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblifthstrasse 14 a, D-0 1277 Dresden ATTACHMENT 1I M E D IALMO 6 Operating Manual9. Accessory The instrument is integrated in a plastic consolehousing.

A desktop version and one for wallmounting are available.

As a build-in

version, the instrument is suppliedin a stainless steel housing.For installation in a laboratory area with clean roomconditions the electronics and the LCD are integrated inan aluminium die-cast housing.The desired version has to be specified in the order.Emereency power supplyA battery pack for stand-alone power supply is integrated in the housing.

Therechargeable batteries (included) are charged during mains operation by intelligent charge control.

If you would like to get this version, please indicate this in yourorder.Detectors See also chapter 6.2 'Technical Data Probes'.-Geiger-Muiller counter tubeso Type 18545 CE measuring range 150 nSv/h -200 gSv/ho Type 18550 CE measuring range 10 pSv/h -20 mSv/ho Type 18509 CE measuring range 50 pSv/h -1 Sv/ho Type 18529 CE measuring range 500 pSv/h -10 Sv/ho Type 18526 D counts during radial radiation approx. 4 cps/ýSv/h

-Nal scintillation detectoro 1 x 1.5" Nal scintillation detector; type 25B38Measuring range BG -200 gtSv/ho 1.5 x 2" Nal scintillation

detector, type 38B51Measuring range BG -100 gSv/ho 3 x 3" Nal scintillation

detector, type 76B76(Measured value display in cps)-Detector holders:o simple wall holder (plastic element)o secure wall holder with terminal compartment

-Probe cable; length manufactured according to customer specifications.

Issue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornbltithstrasse 14 a, D-01277 DresdenPage 67 ATTACHMENT 1I M F 1) 1ALMO 6 Operating ManualSignal towerThe signal tower (0 70; IP 54) comes with a maximum of 4 modules.-Siren elementSiren element, 105 dBoptional:

Volume adjustable, acknowledgeable

-Signal element LED continuous lightpossible colors: GreenYellowRedBlueThe maximum number of controllable color modules is three. You can chooseany color combinations and the signalelements can be designed as a flashlight.

The signal tower can be mounted using a wall holder or a table stand.The dimensions vary depending on the configuration.

Example:

Signal light with acoustic module, 3 color modules and wall holder70 x 310 x 100 mm3 (width x height x depth)Several signal towers can be operated in parallel.

Signal tower for clean roomsLED signal tower for use in clean rooms (Fraunhofer IPA approval, IP67/69K) and food applications (EHEDG approval);

different colors and additional lighting effects adjustable, with integrated, high outputbuzzer (85 dB)-Angle or floor or ceiling mounting onplates/devices possible-A mounting plate is available for installation onceilings or walls.Dimensions example:Angle mounting with mounting plate Angle mounting Floor or ceiling140 x 500 x 140 mm3(width x height x depth) mountingPage 68Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, DornblOthstrasse 14 a, D-01277 Dresden ATTACHMENT 1I M V, 1) 1ALMO 6 Operating ManualFlashliaht The flashlight LED is available with or without sound.-Flashlight with soundDimensions 0 90 mnn, height 80 mm-Flashlight without soundDimensions 0 100 mm, height 80 mmCable to connect the alarm unitsThe length of the connection cable for flashlight and signal towers is manufactured according to customer specifications.

Adapter for network solutions The order, the number of individual devices and the interface types can be mixed asneeded. The maximum number of devices (including ALMO 3/6) is 16 and up to 48probes will be supported.

No adapter is needed to transmit the data via USB and RS-232. However, themaximum length of each RS-232 connection is lOim and that of the USB connection 5m.The length of the USB connection can be increased by connecting USB repeaters or USB hubs.-Adapter RS-232 to RS-485 and distributor Since each ALMO has only one interface connectthe RS-485 cable must be wired in external cases. Theinterface is then set to RS-485 (see 4.9.4). Thedistributor must be in the vicinity of the respective ALMO. The total length of the RS-485 connections should not exceed 500m.Adapter RS-232 to RS-485-Adapter RS-232 to RS-422 w Il INo external adapters are needed when using a 5multiple RS-422 card in the PC. In this case, the ____interface is set to RS-422 (see 4.9.4). The length ofthe RS-422 connections may be 500m each.Issue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornbltithstrasse 14 a, D-01277 DresdenPage 69 ATTACHMENT 1[Ul E DALMO 6 Operating ManualSoftware-Software ALMOConnecting several ALMO systems to one central computer system.A maximum of 48 detectors can be connected to the ALMO systems.

The softwareprocesses the data centrally and displays them. The software is used for data storageand threshold monitoring.

Software on Windows basis including 5 m connection cable (ALMO-PC system).

Optionally, the software can be installed and introduction into the software will be provided.

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Mt SX1~ I td ~nMt=" IW4*I M ~Atoo.~ """1 PoMoo.4P" ;- oph xoffPage 70Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblilthstrasse 14 a, D-01277 Dresden ATTACHMENT 1ALMO 6 Operating ManualAdditional Display ALMO AD 1The device ALMO AD 1 can be connected as an additiondisplay to an ALMO 6 or ALMO 3. Several ALMO AD 1 canbe connected in series. The measured data are supplied byALMO 6 or ALMO 3. The alarm thresholds are defined inALMO 6 or ALMO 3.The setting for the device configuration and alarm assignment for exceeding of thealarm threshold or malfunctions takes place on the menu level. Visual and acousticwarnings are enabled when alarm thresholds are exceeded or if a malfunction occurs. Measuring electronics and display unit are integrated in a plastic housing.A large LC display is incorporated into the front panel of the housing.

The valuecurrently measured by the connected detector is displayed on this LC display.Additional Probe Display ALMO ZSAThe ALMO ZSA system, in connection withthe ALMO 6, allows you to display the localdose rate of up to 6 detectors, for example,Geiger-Muiller or Nal detectors.

The ALMOZSA is an additional display unit for theprobe measurement values. The ALMO 6sends the probe data via an interface.

SeveralALMO ZSA can be operated in connection with the ALMO 6.Two freely definable alarm thresholds can be defined in the ALMO 6 for eachprobe. This setting is done on the menu level of the ALMO 6. A visual / acousticalarm is triggered whenever an alarm threshold is exceeded.

Optionally the device can be equipped with an emergency power supply.Depending on the connected components (LED traffic light), the ALMO ZSA willcontinue to work for up to 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> after power failure.Issue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Domblilthstrasse 14 a, D-01277 DresdenPage 71 ATTACHMENT 1ALMO 6 Operating Manual10. Service/Customer ServicePlease call us if you have any questions about the device. We will be happy to assistyou.In case your device is damaged, please return it adequately and safely packed forrepair/service to the following address:MED Nuklear-Medizintechnik Dresden GmbHService dept. DtilmenOstdamm 13948249 DflmenPhone: +49 (0)2594-9424-35 Fax: +49 (0)2594-9424-45 E-mail: service@nuklear-medizintechnik.de Homepage:

http ://www.nuklear-medizintechnik.de Page 72Issue 05/2012 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblilthstrasse 14 a, D-01277 Dresden ATTACHMENT 1I M 1: D IALMO 6 Operating Manual11. EC Declaration of Conformity This is to certify that the following product:ALMO6Stationary dose rate meter with the option to connect 6 probescomplies with the essential protection requirements as defined in the Council Directive onthe approximation of the laws of the Member States with regard to electromagnetic compatibility (89/336/EEC).

The following standards were used to assess the product:Electrostatic discharge immunity testBase standard:

DIN EN 61000-4-2 (12.2001)

DIN EN 61326-1; table A. 1 (10.2006)

-Electromagnetic field immunity testBase standard:

DIN EN 61000-4-3 (12.2006)

DIN EN 61326-1; table A. 1 (10.2006)

-Power frequency magnetic field immunity testingBase standard:

DIN EN 61000-4-8 (12.2001)

DIN EN 61326-1; table 2 (10.2006)

Radiated disturbance measurements Base standard:

DIN EN 55016-2-3 (08.2007)

DIN EN 55011 clase B group 1 (11.2007)

This declaration has been submitted by the manufacturer MED Nuklear-Medizintechnik Dresden GmbHDornbliithstrasse 14 aD 01277 DresdenDresden, October 08, 2012Issue 05/2013 E, Subject to technical modifications without noticeMED Nuklear-Medizintechnik Dresden GmbH, Dornblitthstrasse 14 a, D-01277 DresdenPage 73

C sn s an fle s fo cotim n sytmtIM I. I t -K¶1VILifJ1' I. /ACTIVATED CARBON FILTERS00130ELU==Applications:

Radioiodines trapping or other toxic gases.Type: Filters for glove boxes and sealed enclosures.

Media: Activated carbon with specific impregnation depending on type of gas to be trapped.Carbon bed: Layer thickness 36 or 50 mm depending on model, kept settled by compression mattress eliminating any risk of leak.Case: Stainless steel sheet metal Z2CN18-10.

Gasket: Viton.Handle: 1.Temperature:

80°C maximum in continuous service.Control:

Filter weighing at 100%Assembly:

Filters to be screwed into stainless steel casings.C.03603.30.00 3603.30.02 Dimensins 10x) 160i asor vapoursvoue totaActived CarbonThrea CA102-02 KI and TEDA 20/200 M62Viton R35 1 1.2UnitvolumeM30.0031.120 m'/h activated carbon filter20 m'/h activated carbon filterRadioiedes 130x160360-4.404 50 m nh a t vadca bo it3603.30.04 20 m'Ai activated carbon fifter3603.40.06 50m/ ciaedcro i130x1603.3 RadwjsC A102-021.1 Acids WH, HOl, CEXOO02A3 S organic LGS0481- compound,8 and TEAKOHl50/ 30020/130M62M622.5 threadYlonR35Viton R35KOHnone1 2 5 thread1.2J 0/200 M2.M6220/10 2.5 thread7V i 2. t;eViton R3Viton R35V~rloioR35 3.81.23.80.0030.0030.007EEECIa.9-qwcamifi1 CAMFIL FARR -77/81, boulevard de la R13publique

-92257 La Garenne Colombes Cedex -FranceTel. +33 (0)1 46 52 48 00 -Fax +33 (0)1 47 60 17 81 -www.camfilfarr.com a ]

ADSORPTION ATTACHMENT 7 Data SheetReference Index PageGLOVE BOX FILTER 50 m3.h1for iodine trapping FP.A.01 53 D 1/1Article Carbon Airflow/Ap Mounting Gasket Shipping datanumber volume m3.h'/Pa 3L In kg50/3003603.40.03 3,3 40/240 Thread M62 x 2,5 Viton R35 0,007 3,830/180Spicifications

Type : Filters for glove boxes and isolation chambers with hand.Media: KI + TEDA impregnated carbon for iodine trapping.

Grid: Stainless stell perfored X2CrNi 18-9.Gasket: Viton R35.Temperature:

80'C maximum continuous operation.

Control:

WeighingMarking:

3 sheets label on the tight plastic bag.Documentation

Certification from the IRSN institute with charbon efficiency (Epurating ratio >80%for a relative humidity of 90%)Applications:

Trapping of radio-iodes in the nuclear industry (molecular iodine and methyl-iodine).

7c"fm CAMFIL 77/81 Bd de [a R6publique-92257 LA GARENNE COLOMBES CEDEX FranceS ,IaA ,J. T61l. 01.46.52.48.00

-Fax : 01.47.60.17.81 FPA0153-D HEGA FiltersDisposable, Replaceable or Refillable Adsorbers for theControl of Dangerous Gaseous Contaminants A Wholly Owned Subsidiary of Flanders Corporation ATTACHMENT 8HE A Fites Tabl ofCnet)Quality Assurance

................................................

2Im portant Message ...............................................

3Introduction

......................................................

4What is a HEGA?Where are HEGA's Used?How Does a HEGA Work?HEGA Selection D esig n ...........................................................

5Design Considerations Diagram:

V-Bed Adsorber Applications V-Bed Adsorbers

.................................................

6Carbon Adsorbers Residence TimeApplications Adsorber Deisgn and Performance Stainless Steel Frame Adsorbers

..................................

7DMMP -Qualified Adsorbers Adsorber HousingsType IV (V-Bed) Stainless Steel Frame Adsorbers Suggested Specifications Type IV Stainless Steel Adsorbers

........

8Ordering Information Diagram:

Model Number Breakdown Ordering Inform ation ..............................................

9Type IV (V-Bed) Stainless Steel Adsorbers Chart: Full-Size Gel Seal Adsorbers Chart: Full-Size Gasket Seal Adsorbers Type IV (V-Bed) Stainless Steel Adsorbers

-Small SizeChart: Small Size Stainless Steel Gel Seal Adsorbers

-Activated CarbonChart: Small Size Stainless Steel Gasket Seal Adsorbers

-Activated CarbonChart: Small Size Stainless Steel Gel Seal Adsorbers

-Nuclear Grade CarbonChart: Small Size Stainless Steel Gasket Seal Adsorbers

-Nuclear Grade CarbonChart: Small Size Stainless Steel Gel Seal Adsorbers

-Whetlerized CarbonChart: Small Size Stainless Steel Gasket Seal Adsorbers

-Whetlerized CarbonC inersorb

........................................................

13Suggested Specifications and Ordering Info for Cinersorb

...........

14Diagram:

Model Number Breakdown Chart: Gel Seal HousingsChart: Gasket Seal HousingsType II Tray Carbon Adsorbers

.....................................

17Type II Tray Carbon Adsorbers Application Suggested Specifications Diagram:

Model Number Breakdown Ordering Information for Type II Tray Carbon Adsorbers

..............

18Diagram:

Type II Carbon Tray AdsorberChart: Flanders/CSC Type II Tray AdsorberCarbon Sampling Systems ........................................

19Carbon Sampling Canisters Radioactive Iodine Performance TestTypes of Adsorption Efficiency vs. Penetration Residence TimeCapacityDecontamination FactorDesign Principles for Filtering Dangerous Chemical Contaminants ATTACHMENT 8HE A FitrC'0E2NOTICE ... Compliance with installation andoperation standards must be met to ensurequality performance.

HEGA filters are factory tested to meetthe requirements of IES RP-CC-008-84, "Recommended Practice for GasPhase Adsorber Cells."HEPA filters are factory tested to meetthe requirements of IES RP-CCOO1.3 for Type A, B, C, D or E filters:* Industrial Grade* Nuclear Grade* Laminar Flow Grade* Bio/Hazard Grade HEPA* VLSI* ULPATest results appear on both the filterlabel and upon the filter carton label.An additional quality assurance testreport is kept on file and is available onrequest.Flanders/CSC recommends that allHEGA and HEPA filters be tested inplace byqualified personnel to ensure that thefilters have been correctly installed inthe containment housing.Flanders/CSC service personnel are available for installations, supervision of installation, testingand certification of compliance to industry and government standards and instruction of theowner's personnel in testing andmaintenance procedures.

Flanders/CSC does not guarantee thatits equipment will operate atthe performance levels given onthe identification labels or in thecatalog specifications under allconditions of installation and use, nordoes Flanders/CSC guarantee thesuitability of its product for theparticular end use which may becontemplated by the buyer.For best results, it is recommended that the buyer supply completeinformation about the operating conditions of the ventilation system toFlanders/CSC for evaluation.

When the system components aresupplied to the buyer or his agentfor final installation and assemblyin the field, it should be underthe supervision of factory trainedpersonnel.

Failure to adhere to this recommenda-tion or failure of the buyer to havefilters timely retested and serviced willnullify or limit any warranties whichmight otherwise apply and may resultin a compromised installation.

2 ATTACHMENT 8Ffwn /EQuality Assurance Any industry that has dangerous process orexhaust gases and/or particulates has a vitalconcern for the health and safety of personnel.

In addition to corporate

concern, the UnitedStates Government has dictated that safetyequipment meet minimum safety standards.

Anyequipment sold to meetthese minimum standards has to be manufactured using accepted QualityControl procedures.

Flanders/CSC Corporation has developed aQuality Assurance program to assure that theproduct or service provided meets thesestandards.

This program addresses the entirerange of Flanders/CSC involvement, including the purchase of raw materials, the shortage ofthese raw materials, incorporation of thesematerials into a product or service, testing thisproduct or service, and then shipping it to itsdestination.

The program of Flanders/CSC has been auditedmany times, and each time the program hasbeen acceptable.

An uncontrolled copy of theprogram manual is available with each requestfor Quality Assurance information.

Like anydynamic document, the program is continually being revised to include recent issues ofstandards and specifications in order thatFlanders/CSC may use the latest state-of-the-art methods in providing its products and services.

The Quality Assurance Program at Flanders/

CSC Corporation has been audited and approvedseveral times by the Nuclear Utilities Procurement and Inspection Committee, NUPIC. Thiscommittee was established by nuclear electricutilities to ensure that suppliers of goods andservices can meet all applicable regulatory andquality requirements.

Notes:1 As part of our continuing program toimprove the design and quality of allour products, we reserve the right tomake such changes without notice orobligation.

2 Flanders/CSC, through its limitedwarranty, guarantees that the productsdescribed herein will meet allspecifications agreed to by the buyerand the seller.3 ASME N509 Nuclear Power Plant Air-Cleaning Units and Components.

4 ASME N510 Testing of Nuclear AirTreatment Systems.© Copyright 2003 Flanders/CSC Corporation 7013 Hwy 92E -PO Box 3Bath, NC 278083 ATTACHMENT 8HEA Fites InroucioWhat is a HEGA?To be called a High Efficiency Gas Adsorber(HEGA), the adsorber must exhibit a minimummechanical efficiency of 99.9% when tested inaccordance with the Institute of Environmental Sciences designation:

IES-RP-CC-008-84, "Recommended Practice for Gas PhaseAdsorber Cell." In addition, the adsorber mustbe designed, built, filled and packaged inaccordance with the intent of this standard.

Since HEGA filters are manufactured in severaldifferent sizes and of several different materials, this standard is not always followedto the letter. It is the intent of the standard andthe resulting performance of these adsorbers that is important.

This type of adsorber is notintended to be used in odor control systems.However, if the user needs a very efficient odorcontrol system and can justify the higherinitial and operating costs, then this type ofadsorber will do an excellent job. The following comparison between an odor control typeadsorber vs. a HEGA may help:" Nuclear Power Plants" Cancer Research Laboratories

" Toxicology Laboratories

" Animal Disease Research Facilities

" Chemical Agent Research Facilities

" Bomb Shelters (CBR)" Radiopharmaceutical Plants" HVAC Systems" Laboratories Using ChemicalCarcinogens

" Chemical Agent Munitions DisposalFacilities

" Hospital Isolation Suites" Pharmacological Facilities

• Chemical Process Facilities

" Military Facilities

• Biological Research Facilities

• Department of Energy Facilities How Does a HEGAWork?

A High Efficiency Gas Adsorber (HEGA) filtersgaseous contaminants from an airstream byadsorbing the contaminants (See Page 19,"Types of Adsorption").

With a properly designedsystem that includes proper adsorber selection, adsorbent and resident time, any adsorbable contaminant can be filtered and contained.

(SeePage 6 for "Adsorber Design and Performance.'

Page 20, "Residence Time").HEGA Selection When designing a system requiring HEGAs,consider:

1. Type: "Cinersorb" (p. 13), Type IV(V-Bed) (p. 7), or Type II Tray? (p. 17)2. Type of carbon needed? (p. 6 & 7)3. Residence Time: (See pp. 6 & 20)4. Need for sample canisters?

(See p. 19)An odor control type adsorber compared toa HEGA is like comparing an ASHRAE typeparticulate filter to a HEPA. The odor controltype adsorber (like the ASHRAE typeparticulate filter) has a low efficiency, lowpressure drop and low cost. On the otherhand, the HEGA (like the HEPA) has a higherefficiency, higher pressure drop and highercost. Both adsorbers have their place inindustry, but because of these majordifferences they are not usually interchange-able.Where are HEGA's Used?HEGA's are most often used in "containment" air filtration systems.

Containment air filtration systems are very high efficiency

systems, usedto filter and contain dangerous particulate and/or gaseous contaminants.

Containment systemsare most often designed to treat exhaust air fromcontaminated spaces, but occasionally are usedin supply and recirculated air systems.

Examplesof facilities using these systems are:4 ATTACHMENT 8HEA Fites Deig Conidraton Design Considerations The following should be considered whendesigning a filtration system:1. Any system that filters dangerous contaminants should incorporate bag-in/bag-out housings to contain thecontaminated filters and protectmaintenance personnel during filterchange-out.

2. Particulate filtration must be providedupstream of HEGA filters to preventthe adsorber from trapping particulates and thereby increasing the adsorber's pressure drop.3. Some applications require highefficiency or HEPA filters located down-stream of the adsorber to collect any fines(dust which might be contaminated) released from the adsorbent material andto act as a backup in case the firstparticulate filter should fail.4. Filter trains can be easily constructed with any combination of roughing filters,high efficiency

filters, HEPA filters andadsorbers (See illustration below).5. An in-place test of both adsorbers andHEPA filters is recommended fornuclear containment systems and isbecoming a more frequent requirement for many critical applications.

Thepurpose of this in-place testing is to"validate" the installed system. The in-place test, if required, should bediscussed with a Flanders/CSC factoryrepresentative prior to the selection ofequipment so the system will becorrectly designed to facilitate the test.In-place test equipment and servicepersonnel are available from Flanders/

CSC to assist in the original installation and testing.6. The filtration system should bemanufactured under a good qualityassurance program such as one thataddresses all of the basic requirements of ASME NQA-1, "Quality Assurance Program Requirements for NuclearFacilities."

V-Bed Adsorber Applications From left to right: prefilter, upstream in-place test section, HEPA filter, V-bed adsorber, in-placecombination test section, V-bed adsorber, HEPA filter, downstream in-place test section.5 ATTACHMENT 8HEA Fites :-Be AdsorberCarbon Adsorbers Carbon adsorbers use activated or impregnated

/activated carbon as a filtering medium toremove gaseous emissions from nuclear,biological and/or chemical process exhaustair. Due to the potentially hazardous natureof their end use, the customer should consultwith Flanders/CSC technical representatives asearly as possible during the design phase of aproject to assure proper specifications for theadsorbers and the filtration system. Flanders/

CSC personnel have many years experience with gas-phase and HEPA filtration systemsand can provide assistance in adsorbent selection, residence time calculations, andsystem configuration.

All units are manufactured in accordance with Flanders/CSC's quality assurance

program, which meets the requirements ofASME-NQA-1, "Quality Assurance ProgramRequirements for Nuclear Facilities."

Flanders/

CSC tests each adsorber to insure a minimummechanical efficiency (the percentage of air thatactually contacts the activated carbon in asystem without penetrating voids or cracks) of99.9% per IES-RP-CC-008-84, "Recommended Practice for Gas-Phase Adsorber Cells." Thistest of the adsorber's efficiency on test agentsis used to determine if the adsorber is properlymanufactured and filled, but not whether it issuitable for a given application.

Residence TimeUnder actual operating conditions, the removalefficiency (the percentage of containment actually removed by the activated carbonduring operation) of an adsorber is determined by the type and amount of contaminant in thegas stream, the type and amount of adsorbent, and the residence time (the time that the gasstream is in contact with the carbon).

In mostapplications, a residence time of 0.125 secondis sufficient.

In other cases, residence time is acritical factor that must be calculated for thespecific contaminant.

(See p. 20.)Applications Type IV (V-Bed) adsorbers are designed for usein Flanders/CSC BF-Series and BG-Series bag-in/bag-out housings for KF-Series and KG-Series high efficiency side-service housings.

Occasionally they are used in large "front andrear loading" built-up banks inside walk-inplenums, but the Type II Tray adsorber isusually best suited for that system design.Adsorber Design and Performance All units are made with beds of carbon mountedin a "V" configuration at various depths andresidence times at rated airflow depending uponcustomer requirements.

Various grades ofcarbon are available to meet specific removalrequirements:

Designation A = Activated 8 x 16 meshcarbon is used to adsorb heavy solvents, elemental iodine and most odors. This carbonis specified as follows:The activated carbon shall be coconut shellbase, 8 x 16 mesh and shall have a minimumcarbon tetrachloride activity of 60% when testedin accordance with ASTM D3467. The carbonshall meet the "base" carbon requirements fornuclear grade carbon.Designation N = Nuclear grade 8 x 16 meshcarbon is specially impregnated activated carbon used to adsorb organic radioiodides.

This carbon is specified as follows:The nuclear grade carbon shall be coconut shellbase, 8 x 16 mesh that meets the requirements of *ASME N509-1996 "Reaffirmed,"

Section 5.2.Designation W = Whetlerized 12 x 30 meshcarbon is specially impregnated activated carbon used to adsorb toxic warfare gases. Thiscarbon is specified as follows:The activated carbon shall be specially impregnated coal base that meets the require-ments of Military Standard MIL-C-0013724D.

6 ATTACHMENT 8HE A Fitr:Stils Stee Frm -A. *brsDesignation T = ASZM-TEDA (Cooperite) 12 x 30 mesh carbon used to adsorb toxicwarfare gases. Performs similar to Whetlerite.

Impregnants do not include chromium.

The activated carbon shall be specially impregnated coal base that meets therequirements of EA-DTL-1704A.

Other media available to meet designrequirements.

Note: Carbon adsorbers can be "poisoned" bypaint fumes and other gases commonly foundin many facilities and must be carefully protected when stored. The customer should consultthe factory representative regarding storageprecautions.

DMMP -Qualified Adsorbers Flanders/CSC model numbers* AF-GG16-62-WSD

• AF-GG1 6-62-TSD* AG-GG16-62-WSD

• AG-GG16-62-TSD have been tested and certified for DMMPQualification at the U.S. Army ArmamentMunitions and Chemical

Command, AberdeenProving Grounds.Adsorber HousingsV-Bed carbon adsorbers are manufactured instandard sizes for use in bag-in/bag-out andside-load

housings, and are available in bothgel seal and gasket seal designs.

Flanders/CSC manufactures a complete line of housings foradsorbers and HEPA filters.

Contact the factoryor your Flanders/CSC representative forcomplete information on adsorbers and HEPAfilter housings.

Type IV (V-Bed) Stainless SteelFrame Adsorbers Description The Flanders/CSC Type IV (V-Bed) adsorber isdesigned with either 1-inch, 1 3/8-inch or 2-inchthick beds arranged in a V-Bank configuration.

This design allows a high airflow at a relatively low pressure drop. Adsorber frames areconstructed of T-304 stainless steel with T-304stainless steel perforated screens.These adsorbers are designed for use inFlanders/CSC G-Series, BF-Series andBG-Series bag-in/bag-out

housings, KF-Series and KG-Series efficiency side-serving housings.

These adsorbers are manufactured understringent quality control procedures.

Eachadsorber is filled, tested and packaged inaccordance with IES Designation:

RP-8(IES-RP-CC-008, "Recommended Practice forGas Phase Adsorber Cells").

Before shipping, each adsorber is tested in accordance with thisstandard to assure a minimum mechanical efficiency of 99.9%.Type IV Stainless Steel Frame AdsorberFeatures-Minimum mechanical efficiency of 99.9%when tested in accordance with IESDesignation:

RP-8 (IES-RP-CC-008, "Recommended Practices for Gas-Phase Adsorber Cells").

Higher efficiencies available when required.

7 ATTACHMENT 8r.HEA Fites Sugete Spcfcain Typ IV StilesSte A. *b" Designed, manufactured and tested undera Quality Assurance Program that meets thebasic requirements of ASME NQA-1,"Quality Assurance Program Requirements for Nuclear Facilities:"

" Available in several standard sizes allowinguse in standard filter housings.

" Corrosion resistant.

" Can be filled with appropriate adsorbent tocapture any adsorbable contaminant.

• Many applications:

Treat exhaust air fromsafety cabinets, glove boxes and fumehoods, supply air to inhalation labs, etc.Suggested Specifications Type IVStainless Steel Adsorbers From the tables on Pages 9 -11, fill in theblanks for adsorber requirements.

Adsorber shall be Flanders/CSC modelnumber .Adsorber frame shall beconstructed of 14-gauge T-304 stainless steeland have beds that are deep,arranged in a V-bank configuration.

The filterframe shall be size: " high x " widex " deep, and have a ____(gel/gasket) seal on one side. The rated flow shall beCFM at approximately

_ " w.g.pressure drop and second residence time. Adsorber screens shall be perforated 26gauge T-304 stainless steel supported byexternal spacers to prevent distortion duringfilling with carbon. Adsorber shall exhibit aminimum mechanical efficiency of 99.9% whentested in accordance with IES-RP-CC-008-84, "Recommended Practice for Gas-Phase Adsorber Cells." Units shall be designed, manufactured, and tested under a QualityAssurance Program that meets the requirements of ASME NQA-1, "Quality Assurance ProgramRequirements for Nuclear Facilities."

Ordering Information:

Type IV (V-Bed) Stainless Steel AdsorberModel Number Breakdown (Example)

Adsorber I DMMP Qualified G= Gasket Seal (Leave blank if not required)

F= Gel Seal [Frame MaterialAA A -,...... ____... 1 S=Stainless Steelý/UoUIl I &W.I %llwillll"alI High Wide DeepCC6 = 12"x 12"x 5 Tle"CC12 = 12"x 12"x 11 Yh"CG12 = 12"x 24"x 11 Yh"CG16 = 12"x 24"x 16"GC16 = 24"x 12"x 16"GC12 = 24"x 12"x 11 1/2"GG12 = 24"x 24"x 11 '/2"GG16 = 24"x 24"x 16"GG18 = 24"x 24"x 18"w ..... -I1=-Adsorbent MaterialA = Activated Carbon (8 x 16 Mesh)N = Nuclear Grade Carbon (8 x 16 Mesh)W = Whetlerized Carbon (12 x 30 Mesh)T = ASZM-TEDA Carbon (12 x 30 Mesh)Bed Thickness 1 = 1" Bed Thickness 1 3/a = I XIs" Bed Thickness 2 = 2" Bed Thickness

_n,___ _'_ _....._ I -,i -.. 1 Number of Beds Per CellNotes: 3 = 3 Beds per Cell1. In the charts on the following pages, pressure drop and weight will vary 4 = 4 Beds per Cellslightly due to variations in carbon particle size distribution and packing 8 = 8 Beds per Celldensity.

10 = 10 Beds per Cell2. Not all model number combinations above are available.

8 ATTACHMENT 8HE A Fites Orern InoratoOrdering Information:

Type IV (V-Bed) Stainless Steel AdsorberNote: A P may vary by +/- 20% due to physicalcharacteristics of the carton. These variations mustFull Size Gel Seal Adsorbers be considered when sizing fans.Model Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Nummbr HxWxD Flow AP Time Beds Depth Temp. Carbon Ship Ww/Gel Seal Channel Net Wt.I_______ (inches)

(CFM) (In. WG-) (sec.) (inches)

(Ibs.) (lbs.)AF-GC12-101-AS 24x12x12114 500 0.90 0.083 10 1 200F 29 92AF-GC12-101-NS 24x12x121(4 500 0.90 0.083 10 1 2007 32 95AF-GC12-101-WS 24x12x121/4 500 2.00 0.083 10 1 200F 35 98AF-GC12-101-TS 24x12x121/4 500 2.00 0.083 10 1 200'F 35 98AF-GG12-101-AS 24x241214 1000 0.90 0.083 10 1 200°F 58 153AF-GG12-101-NS 24x24x121/4 1000 0.90 0.083 10 1 2007F 64 159AF-GG12-101-WS 24x24x121/4 1000 2.00 0.083 10 1 200"F 70 165AF-GG12-101-TS 24x24x121/4 1000 2.00 0.083 10 1 200F 70 165AF-GG16-81 3/8-AS 24x24x163/4 1000 0.85 0.125 8 13/8 200"F 75 210AF-GG16-81 3/-NS 24x24x163/4 1000 0.85 0.125 8 13/8 200"F 80 215AF-GG16-81 3/e-WS 24x24x163/4 1000 2.10 0.125 8 13/8 200'F 90 225AF-GG16-81 3/8-TS 24x24x163/4 1000 2.10 0.125 8 13/8 200"F 90 225AF-GG12-62-AS 24x24x121/4 700 1.75 0.125 6 2 200'F 59 162AF-GG12-62-NS 24x24x121/4 700 1.75 0.125 6 2 200°F 62 165AF-GG12-62-WS 24x24x12'/4 700 3.90 0.125 6 2 200=F 70 173AF-GG12-62-TS 24x24x12/4 700 3.90 0.125 6 2 200"F 70 173AF-GG16-62-AS 24x24x163/4 1000 1.75 0.125 6 2 200"F 79 205AF-GG16-62-NS 24x24x163/4 1000 1.75 0.125 6 2 200°F 86 212AF-GG16-62-WS 24x24x163/4 1000 3.90 0.125 6 2 200F 98 224AF-GG16-62-WSD 24x24x163/4 1000 3.90 0.125 6 2 200*F 100 226AF-GG16-62-TS 24x24x163/4 1000 3.90 0.125 6 2 200*F 98 224AF-GG16-62-TSD 24x24x163/4 1000 3.90 0.125 6 2 200*F 100 226AF-GG18-62-AS 24x24x183/4 1250 1.75 0.125 6 2 200°F 90 225AF-GG18-62-NS 24x24x183/4 1250 1.75 0.125 6 2 200°F 96 231AF-GG18-62-WS 24x24x183/4 1250 4.10 0.125 6 2 200"F 105 240AF-GG18-62-TS 24x24x183/4 1250 4.10 0.125 6 2 200°F 105 240/ 5 -0 02 9 ATTACHMENT 8HEA Fites Orern Inoration Ordering Information:

Type IV(V-Bed)

Stainless SteelAdsorber Note: A P may vary by +/- 20% due to physicalcharacteristics of the carton. These variations mustbe considered when sizing fans.Full Size Gasket Seal Adsorbers Model Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number H xW x D Flow AP Time Beds Depth Temp. Carbon Ship Wt.Net Wt.(inches)

(CFM) (In. W, .) (sec.) (inches)

(lbs.) (lbs.)AG-GC12-101-AS 24x12x111/2 500 0.90 0.083 10 1 200*F 29 89AG-GC12-101-NS 24x12x111/2 500 0.90 0.083 10 1 200°F 32 92AG-GC12-101-WS 24xl2xll12 500 2.00 0.083 10 1 200*F 35 95AG-GC12-101-TS 24x12x111/2 500 2.00 0.083 10 1 200'F 35 95AG-GG12-101-AS 24x24x1112 1000 0.90 0.083 10 1 200'F 58 148AG-GG12-101-NS 24x24x111/2 1000 0.90 0.083 10 1 200'F 64 154AG-GG12-101-WS 24x24x11112 1000 2.00 0.083 10 1 200*F 70 160AG-GG12-101-TS 24x24x1112 1000 2.00 0.083 10 1 200-F 70 160AG-GG16-81 3/8-AS 24x24x16 1000 0.85 0.125 8 1 /8 200*F 75 205AG-GG16-81 3/8-NS 24x24x16 1000 0.85 0.125 8 13/8 200*F 80 210AG-GG16-81 3/8-WS 24x24x16 1000 2.10 0.125 8 13/8 200*F 90 220AG-GG 16-813/8-TS 24x24x16 1000 2.10 0.125 8 13/8 200*F 90 220AG-GG12-62-AS 24x24x111/2 700 1.75 0.125 6 2 200'F 59 157AG-GG12-62-NS 24x24x111/2 700 1.75 0.125 6 2 200'F 62 160AG-GG12-62-WS 24x24x111/2 700 3.90 0.125 6 2 200'F 70 168AG-GG12-62-TS 24x24x111/2 700 3.90 0.125 6 2 200*F 70 168AG-GG 16-62-AS 24x24x16 1000 1.75 0.125 6 2 200'F 79 200AG-GG16-62-NS 24x24x16 1000 1.75 0.125 6 2 200'F 86 207AG-GG16-62-WS 24x24x16 1000 3.90 0.125 6 2 200"F 98 219AG-GG16-62-WSD 24x24x16 1000 3.90 0.125 6 2 200*F 100 221AG-GG16-62-TS 24x24x16 1000 3.90 0.125 6 2 200'F 98 219AG-GG16-62-TSD 24x24x16 1000 3.90 0.125 6 2 200*F 100 221AG-GG18-62-AS 24x24x18 1250 1.75 0.125 6 2 200*F 90 220AG-GG18-62-NS 24x24x18 1250 1.75 0.125 6 2 200OF 96 226AG-GG18-62-WS 24x24x18 1250 4.10 0.125 6 2 200*F 105 235AG-GG18-62-TS 24x24x18 1250 4.10 0.125 6 2 200'F 105 23510 ATTACHMENT 8HEA Fites ordrin InfomaioOrdering Information:

Type IV (V-Bed) Stainless Steel AdsorberSmall Size Adsorbers Note: A P may vary by +/- 20% due to physicalcharacteristics of the carton. These variations mustbe considered when sizing fans.Ordering information below is for small size geland gasket seal adsorbers, grouped byadsorbent materials (Activated Carbon, NuclearGrade Carbon, Whetlerized Carbon and ASZM-TEDA Carbon).Small Size Stainless Steel Gel Seal Adsorbers

-Activated CarbonModel Size Rated Approx. Res No. of Bed Max. Approx. Approx.Numbe~r Hx2W xD Flow AP Time Beds Depth Temp. Carbon Ship W]w~ithGelSalChannelNt t_____ (inches)

(CFMf) (In- W G.) (sec.) (inches)

(lbs.) Olbs.)AF-BB6-41-AS 8x 8x 65/8 40 0.45 0.083 4 1 2007F 3 16AF-CC6-41 3/8-AS 12x12x 61/e 55 0.90 0.125 4 13/8 200"F 8 33AF-CC12-41 3/e-AS 12x12x121/4 140 1.10 0.125 4 13/ 200*F 14 53AF-CC16-41 3/8-AS 12x12x163/4 465 0.85 0.125 4 11/% 200"F 45 124Small Size Stainless Steel Gasket Seal Adsorbers

-Activated CarbonMode Sz Rate Approx. Re.# No. of Bed Max. Approx. Approx.Number K zW xD Flow AP Time Beds Depth~ TemTp. Carbon Ship Wt._______ (kinches)

(CFM) (in. WG.) (sec.) (inches)

(lbs.) (lbs.)AG-BB6-41-AS 8x8x571e 40 0.45 0.083 4 1 200*F 3 15AG-CC6-41 3/8-AS 12x12x571/ 55 0.90 0.125 4 13/8 200'F 8 31AG-CC12-41 3/8-AS 12x12x111/2 140 1.10 0.125 4 13/8 200"F 14 51AG-CG16-41 3/8-AS 12x24x16 465 0.85 0.125 4 13/8 200°F 45 12111 ATTACHMENT 8HE A Fites Orern InoratoSmall Size Stainless Steel Gel Seal Adsorbers

-Nuclear Grade CarbonModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number H xW xD Flow ftP Time Beds Depth Temp. Carbon Ship Wt.wI Gel Seal Channel Net Wt.(inches)

(CFM) (In. W.G.) (sec.) (inches)

(lbs.) (Ibs.)AF-BB6-41-NS 8x 8x 65/8 40 0.45 0.083 4 1 200°F 3 16AF-CC6-41 3/8-NS 12xl2x 65/8 55 0.90 0.125 4 13/8 200'F 8 33AF-CC12-41 3/8-NS 12x12x121/4 140 1.10 0.125 4 1% 200*F 15 54AF-CC16-41 3/8-NS 12x12x163/4 465 0.85 0.125 4 1138 200°F 48 127Small Size Stainless Steel Gasket Seal Adsorbers

-Nuclear Grade CarbonModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number HxWxD Flow AP Time Beds Depth Temp. Carbon Ship Wt.Net Wt.(inches)

(CFM) (In. WG.) (sec.) (inches)

(Ibs.) (lbs.)AG-BB6-41-NS 8x 8x 57/8 40 0.45 0.083 4 1 2000F 3 15AG-CC6-41 3/8-NS 12x12x 57/8 55 0.90 0.125 4 13/8 200°F 8 31AG-CC12-41 3/8-NS 12x12x111/2 140 1.10 0.125 4 13/8 200OF 15 52AG-CG16-41 3/8-NS 12x24x16 465 0.85 0.125 4 13/8 200'F 48 124Small Size Stainless Steel Gel Seal Adsorbers

-Whetlerized CarbonModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number H xW x D Flow AP Time Beds Depth Temp. Carbon Ship Wt.w/ Gel Seal Channel Net Wt.(inches)

(CFM) (In. WG.) (sec.) (inches)

(Ibs.) (lbs.)AF-BB6-41-WS 8x 8x 65/8 40 1.00 0.083 4 1 200'F 4 17AF-CC6-41 3/8-WS 12x12x 6 58 55 2.10 0.125 4 13/8 200'F 9 34AF-CC12-41 3/8-WS 12x12x12/4 140 2.10 0.125 4 13/8 200"F 16 55AF-CC16-41 3/8-WS 12x12x163/4 465 2.10 0.125 4 1138 200'F 50 129Small Size Stainless Steel Gasket Seal Adsorbers

-Whetlerized CarbonModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number HxWxD Flow AP Time Beds Depth Temp. Carbon Ship Wt.Net Wt.(inches)

(CFM) (In. WG.) (sec.) (inches)

(lbs.) (lbs.)AG-BB6-41-WS 8x 8x 51/8 40 1.00 0.083 4 1 200'F 3 15AG-CC6-41 3/8-WS 12x12x 57/8 55 2.10 0.125 4 13/8 200'F 8 31AG-CC12-41 3/8-WS 12x12x111/2 140 2.10 0.125 4 13/8 200'F 15 52AG-CG16-41 3/8-WS 12x24x16 465 2.10 0.125 4 13/8 200'F 48 12412 ATTACHMENT 8A ANCinersorb:

Incineratable High Efficiency Gas AdsorberThe Cinersorb is the solution to problemsassociated with the disposal of carbonadsorbers contaminated with toxic, carcinogenic, microbiological, radioactive or other dangerous contaminants.

Many facilities have a waste disposal problemregarding high-efficiency adsorbers that areloaded with dangerous contaminants.

In thepast, high-efficiency adsorbers (i.e.. adsorbers that exhibit a mechanical efficiency of 99.9%)have been manufactured with metal frames.Since these metal frame adsorbers cannotalways be safely refilled with fresh carbon, theirdisposal becomes a problem.The Flanders/CSC Cinersorb, which has acombustible frame constructed of high impactpolystyrene

plastic, solves this problem.Features* Polystyrene frame allows disposal byincineration (volume reduction exceeds95%)* Mechanical efficiency of 99.9% when testedin accordance with IES-RP-CC-008-84, "Recommended Practice for Gas-Phase Adsorber Cells"" Available in many sizes (See pp. 15-16),allowing use in most standard filterhousings" Easier to handle, weighs 40 to 50% less thanmetal frame adsorbers

" Less expensive than metal frameadsorbers

• Corrosion resistant

• Can be filled with any adsorbent to capturealmost any contaminant

" Many applications, including safety cabinet,glove box and fume hood exhaust,laboratory supply air and odor controlIncineration guidelines vary from contaminant to contaminant.

The customer should determine that incineration meets the requirements governed by type of contaminant in question andlocal regulations.

• Designed, manufactured and tested undera Quality Assurance Program that meets therequirements of ASME-NQA-1, "QualityAssurance Program for Nuclear Facilities" 13 ATTACHMENT 8HEA Fites Suggested Spcfcain an Orern .- ointo fo Ci. .*Suggested Specifications Cinersorb Disposable Carbon Adsorbers From the tables on Pages 15-16, fill in the blanks for adsorber requirements.

Adsorber shall be Flanders/CSC modelnumber .Adsorber frame shall beconstructed of high impact polystyrene to allowdisposal of spent adsorber by incineration.

Adsorbers shall have beds that aredeep, arranged in a V-bank configuration.

The filter frame shall be size: " highx " wide x " deep, and have a(gel/gasket) seal on one side. Therated flow shall be CFM at _"w.g.pressure drop and second residence time. Adsorber screens shall be perforated plastic supported by external spacers to preventdistortion during filling with carbon. Adsorbershall exhibit a minimum mechanical efficiency of 99.9% when tested in accordance withI ES-RP-CC-008-84, "Recommended Practice forGas-Phase Adsorber Cells."Model Number Breakdown (Example) jLrameAdsorberG= Gasket Seal]F= Gel Seal 1Frame Material1A k Q_ _ _ _ _ _ _P = P la s ticHiah Wide DeedCC12 = 12"x 12"x 11 1/2"CG16 = 12"x 24"x 16GC16 = 24"x 12"x 16"GC12 = 24"x 12"x 11 1/2"GG12 = 24"x 24"x 11 1/2"GG16 = 24"x 24"x 16"GG18 = 24"x 24"x 18"Adsorbent MaterialA = Activated Carbon (8 x 16 Mesh)N = Nuclear Grade Carbon (8 x 16 Mesh)W = Whetlerized Carbon (12 x 30 Mesh)T = ASZM-TEDA Carbon (12 x 30 Mesh)Iii 711Bed Thickness I = 1" Bed Thickness I Y/e = I D/e" Bed Thickness 2 = 2" Bed Thickness Number of Beds Per Cell3 = 3 Beds per Cell4 = 4 Beds per Cell8 = 8 Beds per Cell10 = 10 Beds per Cell12-= 12 Beds per CellNotes:1. In the charts on the following pages, pressure dropand weight will vary slightly due to variations incarbon particle size distribution and packing density.2. Not all model number combinations above areavailable.

14 ATTACHMENT 8Ordering Information:

Cinersorb Disposable Carbon AdsorberThese adsorbers are designed as disposable above 1200 F or if contaminants will attack theunits. DO NOT refill with fresh carbon for reuse. polystyrene plastic frame material.

NOT recommended for use in systemsNote: A P may vary by +/- 20% due to physicalcharacteristics of the carton. These variations mustbe considered when sizing fans.Gel Seal HousingsModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number H xW xD Flow AP Ti me Beds Depth Temp. Carbon Ship Wit.wlothGlSeal Chane Not Wit.______ (inches)

(CFM) (in. W. .) (sec.) (inches)

(1bs.) (lbs.)AF-GC12-101-AP 24x12x12'/4 500 0.90 0.083 10 1 1207F 23 92AF-GC12-101-NP 24x12x12114 500 0.90 0.083 10 1 1207F 25 95AF-GC12-101-WP 24x12x12l14 500 2.00 0.083 10 1 120°F 26 98AF-GC12-101-TP 24x12x12l/4 500 2.00 0.083 10 1 120-F 26 98AF-GG12-101-AP 24x24x121/4 1000 0.90 0.083 10 1 120F 43 153AF-GG12-101-NP 24x24x12l1a 1000 0.90 0.083 10 1 120"F 49 159AF-GG12-101-WP 24x24x121/4 1000 2.00 0.083 10 1 120"F 52 165AF-GG12-101-TP 24x24x12114 1000 2.00 0.083 10 1 120"F 52 165AF-GG12-62-AP 24x24x121/4 700 1.75 0.125 6 2 200"F 59 162AF-GG12-62-NP 24x24x12114 700 1.75 0.125 6 2 200F 59 162AF-GG16-81 3/8-AP 24x24x16314 1000 0.85 0.125 8 13/8 120F 74 113AF-GG16-81 3/8-NP 24x24x163/4 1000 0.85 0.125 8 13/8 1207F 79 118AF-GG16-81

%-WP 24x24x163/4 1000 2.10 0.125 8 1 % 120F 88 127AF-GG16-81%-TP 24x24x163/4 1000 2.10 0.125 8 13/8 1207F 88 127AF-GG16-121-AP 24x24x163/4 1000 .5 0.125 12 1 120F 120 78AF-GG16-121-NP 24x24x163/4 1000 .5 0.125 12 1 120'F 120 78AF-GG16-62-AP 24x24x16314 1000 1.75 0.125 6 2 120*F 80 115AF-GG16-62-NP 24x24x163/4 1000 1.75 0.125 6 2 120'F 84 119AF-GG16-62-WP 24x24x163/4 1000 3.90 0.125 6 2 120*F 96 131AF-GG16-62-TP 24x24x163/4 1000 3.90 0.125 6 2 120*F 96 131AF-GG18-62-AP 24x24x183/4 1250 1.75 0.125 6 2 1207F 79 127AF-GG18-62-NP 24x24x183/4 1250 1.75 0.125 6 2 120°F 86 131AF-GG18-62-WP 24x24x18314 1250 4.10 0.125 6 2 120°F 98 140AF-GG18-62-TP 24x24x183/4 1250 4.10 0.125 6 2 120*F 100 14015 ATTACHMENT 8HE A Fites Orerin Inomto fo * -roOrdering Information:

Cinersorb Disposable Carbon Adsorbers Note: A P may vary by +/- 20% due to physicalcharacteristics of the carton. These variations mustbe considered when sizing fans.Gasket Seal HousingsModel Size Rated Approx. Res. No. of Bed Max. Approx. Approx.Number H xW x D Flow AP Time Beds Depth Temp. Carbon Ship Wt.Net Wt.(inches)

(CFM) (In. WG.) (sec.) (inches)

(Ibs.) (lbs.)AG-GC12-101-AP 24x12x111/2 500 0.90 0.083 10 1 1207F 23 42AG-GC12-101-NP 24x12x11'1/2 500 0.90 0.083 10 1 1207F 25 44AG-GC12-101-WP 24x12x111/2 500 2.00 0.083 10 1 120F 26 45AG-GC12-101-TP 24x12x111/2 500 2.00 0.083 10 1 120*F 26 45AG-GG12-101-AP 24x24x111/2 1000 0.90 0.083 10 1 120°F 43 77AG-GG12-101-NP 24x24x111/2 1000 0.90 0.083 10 1 120*F 49 83AG-GG12-101-WP 24x24x111/2 1000 2.00 0.083 10 1 120'F 52 86AG-GG12-101-TP 24x24x111/2 1000 2.00 0.083 10 1 120'F 52 86AG-GG12-62-WP 24x24x111/2 700 1.75 0.125 6 2 200°F 59 162AG-GG12-62-TP 24x24x111/2 700 1.75 0.125 6 2 200'F 59 162AG-GG16-81 3/8-AP 24x24x16 1000 0.85 0.125 8 11/8 120"F 74 113AG-GG16-81 3/8-NP 24x24x16 1000 0.85 0.125 8 1V/8 120'F 79 118AG-GG 16-813/8-WP 24x24x16 1000 2.10 0.125 8 13/8 120"F 88 127AG-GG16-81 3/8-TP 24x24x16 1000 2.10 0.125 8 13/8 120'F 88 127AG-GG16-121-AP 24x24x16 1000 0.5 0.125 12 1 120'F 120 78AG-GG16121-NP 24x24x16 1000 0.5 0.125 12 1 120'F 120 78AG-GG16-62-AP 24x24x16 1000 1.75 0.125 6 2 120"F 80 115AG-GG16-62-NP 24x24x16 1000 1.75 0.125 6 2 120'F 84 119AG-GG16-62-WP 24x24x16 1000 3.90 0.125 6 2 1207F 96 131AG-GG16-62-TP 24x24x16 1000 3.90 0.125 6 2 120*F 96 131AG-GG18-62-AP 24x24x18 1250 1.75 0.125 6 2 120F 92 127AG-GG18-62-NP 24x24x18 1250 1.75 0.125 6 2 120F 96 131AG-GG18-62-WP 24x24x18 1250 4.10 0.125 6 2 120F 105 140AG-GG18-62-TP 24x24x18 1250 4.10 0.125 6 2 120*F 105 14016 ATTACHMENT 8HEG Fites Typ // Tra Cabo AdobType II Tray Carbon Adsorbers The Flanders/CSC Type II adsorber meets thedesign and performance criteria of IES-RP-CC-008-84, "Recommended Practice for Gas-Phase Adsorber Cell.' It is primarily used by the nuclearindustry.

The Flanders/CSC Type II cell exhibitsa minimum mechanical efficiency of 99.9% whentested in accordance with that standard.

The Flanders/CSC Type II cell incorporates two2-inch beds. Three cells are designed to bemodular with a 1000 CFM HEPA filter in bothflow rate and size. By using multiple Type II cells,any required flow rate can be obtained.

The Flanders/CSC Type II cell is made of300-Series stainless steel. Dimensions aremaintained to assure conformance withthe requirements of IES-RP-CC-008-84, "Recommended Practice for Gas-Phase Adsorber Cells." It is designed, manufactured and tested under a quality assurance programthat meets the basic requirements of ASMENQA-1, "Quality Assurance Program Require-ments for Nuclear Facilities."

Application Type II Tray adsorbers are designed so that threecells in parallel are modular with a 1000 CFMHEPA filter. These adsorbers are primarily usedby the nuclear industry.

They are usuallyinstalled in large "built-up" banks inside walk-inplenums.Suggested Specifications Adsorber shall be Flanders/CSC V-2 Type IIadsorber tray. The adsorber frame shall beconstructed of Type 304 stainless steel and havetwo (2), 2-inch deep beds. Adsorber screensshall be perforated 26 gage Type 304 stainless steel (0.045" dia. holes, 37% open area) withexternal reinforcement to prevent distortion during filling with carbon. The adsorber shall befilled with 8 x 16 mesh, granular, activated, impregnated carbon that meets therequirements of Article FF-5000 of ASME/ANSI Standard Type II Tray Carbon AdsorberAG-1-1997, "Code on Nuclear Air and GasTreatment.'

At a rated flow of 333 CFM eachshall provide a 0.25 second residence time withan approximate pressure drop of 1.10" watergage. Approximate filled weight of the adsorberis 96 lbs. with a maximum operating tempera-ture of 2000 F. The adsorber shall exhibit amechanical efficiency of 99.9% when testedin accordance with IES-RP-CC-08-84, "Recommended Practice for Gas-Phase Adsorber Cells." The adsorber shall bedesigned, manufactured and tested under aQuality Assurance Program that meets thebasic requirements of ASME NQA-1, "QualityAssurance Program Requirements for NuclearFacilities."

Model Number Breakdown (Example)

AG- -30Adsorber 30" Tray LengthGasket SealType II TrayAdsorber17 ATTACHMENT 8HEA Fites Orern Inomto fo Typ Tra Carbon A....beOrdering Information:

Type II Tray Carbon AdsorberFlanders/CSC Type II Tray AdsorberRated Flow Velocity Mechanical Bed A P Approx. Approx.through Efficiency Depth Filled Wt. Ship Wt.(CFM) Carbon Bed (inches W.G.) (lbs.) (lbs.)333 40 ft/minute 99.9% 2 inches 0.25 sec. 0.90 (+/-0.30) 105Standard Options:Note: Flanders/CSC's Service Division canrefill and recertify most types of High Efficiency Gas Adsorbers.

123456Different length cellsSpecial frame materials Special adsorbents Special faceplate Sample canisters Custom sizes18 ATTACHMENT 8HE A Fites -a. -~am n SysemCarbon Sampling Canisters In nuclear applications,

• US Reg. Guide 1.52details the frequency of having carbon testedfor ability to remove methyl iodide. The samplerdevices shown simplify the sample takingprocedure.

The sampler is removed, thesampler space is blanked off, and the sample issent to the lab for analysis.

No in-place test isrequired.

(Note: If a filter is removed to providea sample, an in-place test must be performed after the filter is replaced.)

Existing systems can use the compatible Flanders/CSC sampling system for easyconversion.

Carbon 3ampler Blank Off Plug andCanister/Plug Removal Tool (furnished)

Radioactive Iodine Performance TestFlanders/CSC can provide radioiodine testingservices on samples of carbon to determine ifthe samples meet customer specifications.

Testscan be expedited to prevent extended downtimeof the customer's air filtration system. Tests areperformed to latest versions of ASTM-D3803, ASME N509 and ASME AG-1; but, anystandard radioiodine testing can be performed.

Customer can also specify custom testparameters, if required.

• US Nuclear Regulatory Commission Regulatory Guide 1.52,"Design, Testing and Maintenance Criteria for Post AccidentEngineered-Safety-Feature Atmosphere Cleanup System AirFiltration and Adsorption Units of Light-Water-Cooled Nuclear Power Plants."Types of Adsorption There are three types of adsorption thatconcern us: 1. Kinetic,

2. Isotopic

Exchange, and 3. Complexing or Chemisorption.

Kinetic:

Kinetic adsorption of a gas moleculeor chemical vapor is the physical attraction of the molecule to the carbon granule byelectrostatic forces. These forces, as theyapply to small particles, are governed byvan der Waals theories, and these attraction forces are termed van der Waals forces. Sincethese forces are physical in nature, the forcescan be undone by physical effort. Thus, hightemperature, high humidity, or other naturalcauses may cause an adsorbed contaminant todesorb.Generally, the higher the boiling point, the largerthe molecule size, and the lower the meltingtemperature, the easier the molecule is tokinetically adsorb and the stronger it is held onceit is adsorbed.

Isotopic Exchange:

A second "adsorption" mechanism is isotopic exchange.

Radioactive materials usually have a family of isotopes.

If astable isotope is adsorbed on the carboninitially, an unstable isotopic compound will,when it comes into contact with the stable formof the element, exchange the isotopes.

The19 ATTACHMENT 8HE A Fites Cabo Sapln Sytmstable form is now on the airborne molecule andthe radioactive form is on the molecular structure of the impregnant.

An example of thisis carbon impregnated with K13. The radioactive form of iodine in the organic form CH31131 willisotopically exchange with the iodine on thecarbon. This exchange is nondirectional, meaning the adsorbed (exchanged) radioactive species of iodine may very well exchangeagain. The result will be a different airborneradioactive methyl iodide molecule.

This newradioactive molecule may again isotopically exchange with stable iodides on the carbonin the K13 impregnant, and so on, until theradioactive iodine is delayed long enough todecay into stable xenon.Complexing or Chemisorption:

A thirdcapture mechanism is chemisorption.

This isthe actual complexing, attaching chemically, ofa radioactive iodine species to a stableimpregnant that has the ability to shareelectrons.

Once the iodine is complexed, it doesNOT desorb similarly to isotopic exchange.

However, it may desorb similarly to the kineticadsorption discussed.

But if it does, the entireimpregnant desorbs from the carbon, not justthe iodine. An example of this is to impregnate the carbon with triethylenediamine (TEDA) orsome other tertiary amine.To take advantage of both impregnants andcapture mechanisms, carbon can be co-impregnated.

This allows the carbon to beused as a kinetic adsorber, an isotopicexchange medium and a complexing agent.As long as the operating conditions are keptwithin normal bounds, the carbon will performas required.

It will perform under high humidityconditions and under high temperature conditions better than a carbon with a singleimpregnant.

Efficiency vs. Penetration There is often confusion between "efficiency" and "penetration" of contaminants through acarbon bed.Efficiency is the ability for the carbon to removea desired contaminant.

Methyl iodide efficiency, for example, is determined by challenging thecarbon with an actual radioactive methyl iodidevapor. The amount of the contaminant upstreamof the carbon is known, and the amount that iscollected on backup beds is measured.

Theefficiency of that carbon sample to removemethyl iodide is easily calculated by comparing the counts of the carbon sample to the countson the backup beds. Test parameters such astemperature and relative humidity greatly affectthe efficiency.

Penetration, on the other hand, is a term usedto indicate the degree of leak tightness forinstalled carbon systems.

The installed systemis subjected to a test gas that is easily adsorbed, such as R-1 1 (trichlorofluoromethane).

Thepenetration, or by-pass of the R-11, is measureddownstream of the filter and that amount iscompared to the amount measured upstreamof the filter. A penetration value in percent iseasily calculated from the collected data. Thisis also termed mechanical efficiency.

Residence TimeResidence time is the term given to the time thata gas stream contacts a carbon bed. Forexample, if a carbon bed were a foot thick andthe air stream moved at one foot per minute,the residence time would be one minute. It wouldtake one minute for the air to move through thebed.Typically, the carbon bed is 1-inch thick and theair velocity is 40-feet per minute. What would20 ATTACHMENT 8HE A Fites eebnamln Systemthe residence time be in that situation?

(0.125seconds)

The residence time can be calculated easily from the following relationships:

RT=5 xDVWhere:RT = Residence time (seconds)

D = Depth of carbon bed (inches)V = Velocity of gas through bed (feet/min)

Most of the time, the velocity will not be givenand must be calculated from the relationship:

V= QAWhere:V = Velocity of gas through bed (feet/min)

A = Unbaffled area of carbon bed (sq.ft)Q =Quantity of gas flowing through bed(CFM)Let's take an example from real life: Assumethat Q=1,000 CFM and that a single 6 panel,16-inch deep (in direction of air flow), 2-inch beddepth filter is to be used. To calculate theresidence time, first determine the area of thecarbon bed. The total area is 12.5 sq. ft. The12.5 ft2 is determined by actual measurements of the unbaffied bed area on one side of thecarbon filter. Therefore:

RT= 5x280RT: 1080RT = 0.125 secondThe concept of residence time is very important from the designer's point of view. That is whyFlanders/CSC is taking a lot of time to explain itfully. Flanders/CSC cannot design a systemunless we know either the actual residence timerequired, or all of the parameters that determine the optimum residence time, (flow rate, contami-nants, concentrations, temperature,

humidity, required efficiency, etc.)The residence time is critical to the chemisorp-tion or complexing phenomena.

As the gasenters the bed, it must have time to interact withthe impregnants on the carbon. Too little timewill mean that the contaminants will not interactcompletely with the carbon or impregnants.

Toomuch time means that the system is not de-signed efficiently.

In summary, you need to be aware of theimportant of residence time because the firstquestion we ask about an inquiry for anycarbon system is, "What is the residence timerequirement?"

If you do not know, we will haveto determine it before the best system can bedesigned by our engineering staff.CapacityThe capacity of activated carbon is thepercentage of its own weight that an activated carbon can adsorb of a given vapor undercertain conditions.

Some of these conditions are vapor concentration, temperature,

humidity, air velocity, and defined breakthrough.

Example:

If 100 pounds of activated carbonadsorbs 15 pounds of benzene before it reaches21AV = 1000 CFM12.5 ftV = 80 ft/minAnd:RT= 5xDV ATTACHMENT 8HEA Fitr an Fite Tetig Cabo Sapln Systema customer defined breakthrough point of 5 ppm,then the capacity of that activated carbon forbenzene is 15%.Decontamination FactorThe Decontamination Factor is the ratio of theconcentration of a contaminant in the untreated air to the concentration of the contaminant inthe treated air.If anyone asks what the Decontamination Factor (DF) of a filter is, the answer can beobtained by calculating the RECIPROCAL of thepenetration expressed as a fraction, orDF = 1Pen.Examples:

2. Carbon filters must:a Exhibit a minimum mechanical efficiency of 99.9% (i.e., HEGA).b Use high quality coconut shellactivated carbon.c Be sized for approximately 0.125second residence time.3. All filters should be installed in "Bag-in/Bag-out" housings to protect main-te nance personnel and the environment.

4. Filtration system designs should haveprovisions for pulling samples of air orcarbon for laboratory analysis (to assistin determining when carbon adsorbers need changing).

5. The disposal of hazaradous waste (i.e.,spent HEPA and HEGA filters) shouldalso be considered.

Any HEPA or HEGAfilter containing regulated chemicals should be disposed of in accordance withFederal, State and local restrictions.

6. The filtration system must be manufac-tured under a good quality controlprogram such as one that addressed therequirements of ASME NQA-1, "QualityAssurance Program Requirements forNuclear Facilities."

Penetration 40%0.1%5%Calculation DF = 10.40DF = 10.001DF = 10.50ResultDF = 2.5DF = 1,000DF = 20Design Principles for Filtering Dangerous Chemical Contaminants It is generally acknowledged that a properlydesigned filtration system to remove dangerous chemical contaminants should be as follows:1. HEPA filters should be used to trapdangerous particulates and protect thecarbon filters from collecting particulates and thereby increasing the adsorber's pressure drop.22 ATTACHMENT 8HEGA F It s Geeal Ifratino Carbon an Adsortio MateralThe following are some random thoughts andinformation that will help you form a general ideaabout carbon filter technology.

These commentsare to be considered as general axioms, andthe reader should be able to "fill in" some of theunknown factors when unusual situations arise.However, there is no substitute for expertadvice and opinion, and the reader is urged tocontact Flanders/CSC for answers to anytechnical

problem, specific questions oradditional information.

1 Elemental iodine is adsorbed byattraction of the iodine to the carbon.This is called Kinetic adsorption.

2 Methyl iodide, which comes fromelemental iodine (12) combining withmethane must be adsorbed bychemisorption, usually in the form ofisotopic exchange when KI carbon isused or complexing when TEDA carbonis used.3 The recommended residence time formethyl iodide is 0.25 seconds residence time per 2-inch bed. Tests have shownthat the carbon will perform as requiredat twice that velocity or half that residence time for a limited time period.4 As the humidity increases, the ability ofthe carbon to perform is adversely affected.

However, the carbon mustperform at 95% relative humidityin order to meet ASME AG-1requirements.

5 The heavier the molecular weight of amaterial, the easier it is to adsorb.6 The higher the boiling temperature of amaterial, the easier it is to adsorb.9 The adsorption coefficient of carbon isthe amount of a given material that thecarbon will adsorb, by weight.10 Some hard to adsorb materials can bedisplaced by easier to adsorb materi-als. For example, acetic anhydride maydisplace acetone.

Acetone maydisplace acetaldehyde, and acetalde-hyde may displace acetylene.

11 The lower the concentration of amaterial, the harder to achieve a highremoval percentage.

12 One gram of carbon will adsorb onemilligram of iodine. The potential inventory of radioiodine in a nuclearpower system is very small.13 Since carbon will adsorb anythingadsorbable, it can be poisoned byharmless materials and be unable toadsorb the material that it was designedto control.

That is why the carbon shouldalways be protected from vapors that willharm it.14 Shelf life of carbon in properly packageddrums or in filters having a vaporbarrier of some kind can be as long asfive (5) years. Flanders/CSC recom-mends that carbon over three (3) yearsold be retested to assure that it meetsthe efficiency requirements of theoriginal specifications.

15 Methyl iodide adsorbs-desorbs-adsorbs through the bed, exchanging iodine ateach juncture.

That is to say, methyliodide can be radioactive-stable-radio-active-stable until it decays into harm-less xenon.16 Elemental iodine, once adsorbed, usually stays adsorbed.

78The converse of 5 and 6 is true.One gram of 60% active carbon (asmeasured by carbon tetrachloride) hasa surface area of about 1,000 squaremeters.23