BMATe Geant” TaskForceSEVBI
Bre eS task Group 76300 2,
we Washington 25, De Ce °...
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General,
? Pacenber (1953, 12%0R
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Appendix III te Annex G
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Decontaminaticn Procedures
Radioactive contamination will very probably at some time
¢: during Oseratien CASTLE render en essential area or piece of equipment
-..). temporarily unusable.
reduce the hazard to eperaticnal levels,
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Definitions (Ref. NavMed P~1325)
(1)
Operational Clearance implies that radioactive contamination
‘exists and that special eperating precedures are required, - Commander, Task ».
. Group 7.3 is responsible for authori aing operetional clearances.
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(2)
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Final Clearences Following the completion of decontaninetion,
or if a ship has not been contaminated, Commander Task Group 7.3 may.aut he...
oyize final clearance for a particular’ ship or unit.. This shall apply,-..~
also, te final clearance on the decentamination ofall forms ef equipment, ~.'
- instruments, furniture, end personal items. Final’‘clearance shall imply ~
*
* that the area or ebject. concerned has been monitored and found te have ne™::
““peint. exceeding 0.015R/24, hr beta plus gamma and no detectableialpha. emitting
‘isotopes, In the event that a unit ef-the taskgroup has some areaor. + 47":
“material, at the conclusionef Operaticn. CASTLE, which has net ylelded to.
| decontamination, this uni may be released to its type commander, “under, -
Lewe“operational clearances ~ allay 2
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(3) It sheula be ‘pamembered that radieactive: fission preducts decay
*"as, time passes, the most rapid decay taking place within the first few hours.
“after detenstions To we GePABes,see| NRadtolegical IDefense”, VoL i. a
PP meenienea c
ogy
te most: of:‘the:“decontamination operations which wlght’be re~
of,Task Grotip. 7.3,.fresh and/or salt water sprayed under pressure -?
used’ for gross. decontaminatien<.:-Ordinarily, salt water. should Bet
Cbecaied. on aircrafte;:Other: reagents which are used where water is “inappre—
priate er inadeouate arer’ Standard Cleaner, USN C-152, er .147,.5-10% sodfum
‘eitrate sclutien er USAF cleaning cempeund Spec.” 20036 (gunk), kerosene and‘soap powders,
Cleaners with an oil carrier are especially suitable fer alr
_ oratt decontamination. ee
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Jn such a situation, the reduction of such radioactive
a contamination may be mandatory to successful accomplishment of the eperation.
2. *) Decontamination ef units and personnel shall be accomplished on the site te