Document Number (FOIA) /ESDN (CREST):
CIA-RDP80T00246A000500050003-8
Body:
Approved For Release 2008/06/06 :CIA-RDP8OTOO246AOOO5OOO5OOO3-8
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COMEIDENTIAL
ARMY review completed.
U. S. ARMY MATERIEL. COMMAND
EXPLOITA'PIO~; REPORT
BULGARIAN PRO TEC TI ~! E )MASK
MCN-18977
Prepared by U. S. I~rmy Chenical Center, Maryland
~~ie~;?4~Ir~DED AT 12 YEAR INTERVALS
NOT AUTOMATICALLY DECLASSIFIED
DOD DIR 5200.10 ,-~"`
CONFIDENTIAL
Approved For Release 2008/06/06 :CIA-RDP8OTOO246AOOO5OOO5OOO3-8
Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
T
COidflDEN~~A~
~.~TT~R R~PQ}~T
~I~
AN PRd'~'ECT~Y[ 1lK
~~~
U. S. ARi~iY
Cg~bl1 CAE COti~S tN`i'I~l.4 f ~ENC~ AGIENCY
1~1~!>D ~FFt~i~
ARMY CH~MI CAt, CLNT~lR, HAQYlJ~t?
boA1~GRATI~T1 ,~~+ 12
2+TOT AUTOtvf~TICAL,~y ~~~ ZNTE~~ApaS
.D023 SIP ECL,~~SI~'IED
~~oa,Io
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_ Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
pp
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r~xM!*b~+_~4rr+.~MS~rt7rt?#syr+ir~aer#+~~~~'
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~~ IF~~a4~l~r71w#irllst#??+r IF d1Mr~!#r71s#r#a~$w++r#$M+llrax?r#r
~~It~ ~ ~ wN ~~ 7rR iF ~ 4! 1PRi $ } i' $ R ! !'~ T M i iT i r ! 't r $ O M t 1R If
~~+~~ ~41~~y~~'Ii+IttLM~#~rpy~ ~+i~~'~I~r`~+~r'~ ~~e`C~~~~...~~ metal ce~veer proteets tfai txetiet valve< Ths
base t~? the metal tubs, has a meatai ~ianget and rectangular rubber washer
to fecilitatet carrying thec rmti,uth pieRce3 asse:tinbiy. 'i''wo ea~ctaetded rubber
stubs ctrl the +~aceethpi~et ee~abie the wearer to secure Chet pesition +~#
the rr~uthpiece in use. ~ gray a~ccardian rubber pease is attached to
the +~tai tube and the effiuant apesning of the Ganiste:r. A spring wirer
nose ciip Stith rubber tabs is used tc~ restrict air fives through the
vase.
Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
the c~rn]Fster #~ er~t~ioseci in ~ sheet metal conte~ner with ~ se~i-
1 ~~r u ~ ar t n~ ~ ~n the itvp . The outs t c~a ~a~-t~r i seer ! s r i b~e+~ far
rstnf+~raent and Ae#~t#~ed brcaxm end gray. The bottoms !s cri~apeQ and
saYde~-~-d tQ the ~Y? pro,~~tians are attache+~ at the top +apan~ng.
T~ ii rings ere attached to the conteir~r far ~ cloth crrry~pg strap.
They tnt+ar~Qr ~tr~t~on of the urnister and the route of air thrextg
~~ ~~ s~ ~r~ f~gur+
sad to the sided fiber. !~ adjustable elest~a rubber
d is attethed to the syeplece far dcanningl, lt~ber prv~~tions
on aa~h end of the eyeiriece secur+~ the e~la~st~c band.
eye iio99~e~s are cede of g1-ay reblaer with ctrculer glass eysr
gr lam ionat a
fiabi~t >i pres+iar+t the diaaension+~~ date for the ilutgsrtan Prate+~tive
1'~b ~ a ! r
L+~ngth
ltidth
Haight
Melght
t`.c~panent
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ass
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mister
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The ~-uigeri+~c~ rPr+~taetive ~s1~ rw* t'e~e~iV'ed in e~e1le~+t condliton.
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Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
EPi IAL
~~~
"~a6ie ~~.
D. Markings
rkin~s an the 9uigarian Prrte~tive Mask are presented in
Tebie i1'. ~arktngs
Cc~pa~nent
1`4~rtci rtc~
i.xat ion i~4eani ng
i#i
B 1 +ack ink step ors ------
--- - - - -
-- s~G: G36 C~9'7 A ~ ter
~ ,ea ?~ i gure 7~
3
~ 1~ i ack t ntc stnn~ on
bas+~ of canister
C~t1a~~er
(se8 figure ~)
cn -55M
Black ink stamp car,
X1-59.79
t~asa of Banister
CR~naHO ~ cccP
(see figures ~)
Xl.~~~
Blue i~nic sta~~a on
~
tc~ of canister
3
Blue ink starr+p
c~;~~rsite stile ref
Maerth?
autiet vatv+~
piece
Blue ink stamp 4n
i 39 ~`g
hose under tips at
canister end
~~
Bieck ink st~~r+p ~n
Qatar right s i c3e
{see figure 3)
Mack tni? stamp on
~n~~~~~
101
cuter left ~~~~
see figure ~`)
Molded marking on
t}5
inner I of t side
~ see f i gur~e l t3~
f I Z~ i it~9
ii i ~e t nk s temp are
tap (soe f i gore i t
t>~-tlet
Valve
,~ ~,~
Melded marking an
valv+~ bas+~ (see
figure 12j
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Approved For Release 2008/06/06 :CIA-RDP80T00246A000500050003-8
a~~. ~ ~z oa~a
a. Dl~t' penetrattan and Atr Res#stancet The pt~p ppndtratton of
0.3 micrcxt particles at a ftow ra-t~ of 32 titerslrninute was 54.t~ and
'the atr r+ssistanc~a (pressure drop] gross the canister at a figw rate
of 8S ~tterslnntnute was 87 aan e~f tester.
water sorption of the canister after $f>~ R. H, hum#diftcation
was 41.A grams. ,~
--- -~-:- ~-.i~l?st..ilalvs.#.eakaue~ ~it_s results c~~ dry-va#ve~, amrnpnia
vapor ~ rea t r ~ -. ,. - ...:. ,~;,.
p~- test rirt t eau e~'vava- ---~-f-
ts pre~tsrtted in Fable t t l .
Run Mr.
Rraathter i~'un~ Rates {tlmtn~
#~.~,
x~,~
54.7
t
r.
taf. ~ k
tan. xert ion
j
/py, /~~
n. D t
/~ /~/~
w~
~~ dsWV'~
V.VV.7
V??~~
~~1
~h+eraj i Avari~g+~:
tI.OD$
#s a'ri +es#stancs to hem at A ants. The results of canister
res#$tanca to, , cyanagen chlort a at att ntermtttant ftatz~ rate of $0
1 i t+~rs/wet nut+~ and FS Bch l orr~p # cr i n) at a ~atstant flow rate of 3x # t tars/
~tnute ure p.resggrated #n Tabu iV 'Che canister wens huatld#~awed at 8th
re~tat#vs ht~atdi~Gy artd th+a gas`a#r stresat eras 5~'9b relative humid#ty.
tGll~; ait;t~wgh n+a lcutger a standard cheaatcal agents has the ability
to ra~t~dly pbnatrate a canister which ccxttatns ur~t~pr+sgnated charcaat.
requires catatyt#c decaaposttton to render it harmless, and ont~r
a good tapregnated charcoal wttl do this efferct#valy. Thvs, CK t#fe g#wes
an apprcuc#r~ttan of the degree of lrapragnatton present an a charcoal.
Although ask present, the pc+ss#btt#ty of CK being used as a canister
penetrant - ~ n f utut~e chew t ca 1 waRfare seeats reatote, t t # s qu # to pass # b 1 a
that othe~ir agaevts; with ch teretw # d require cats i yt 1 t deccsapos i t i eQp may be
dawalc~ed at a lsitar data. ~'ar these reasons, canisters acre tasted far
restsa~ce to CK.
~~ t s used- # ti these tests because # t t s adsorbed cat the charcoa t
in exactly the santa'~asy as GR and VX. ilecause of its r+slart#ve safety
and ease ?tf handl #~ng' coaapared to the n?rws agents, P~ is wait l nutted to
the avaluat#