RESEARCH & DEVELOPMENT ESTABLISHMENT.
British-American Tobacco Co., Ltd., Southampton.
L*U1_1r7W'.*j 'j".
to) u wwr V.-m telooome *n Thws4z7 Uat,
~-71# im -Atlft *tr-- 1rrfewttZ:tt1*= of the
flIt4r fllji7-ed
w.0 sort t) us toy Vr.?"kor. 6.11-Alt ve
arre a-1111 or-r-ItIV Ve rriRate of anwI.--ente
e-m-wr-ing the
n.0-ftral f-r'v-t1-'2 1 V.;* orickv, snd ".PeAuLly
V-6 11120-resewnt
f'ra U-ni, we 1-vin obtaLrtl a-me ;mllniaar7
rLmuve. ~.W; those
eebled yru YqffU.'rAZ7- -
r4 nati It! Us VnIm. 771"olu'w tar
loour thrun &-zitral. YUWo
uneven w4 bW.:Ly attsehwl. '*K".
tla foUe-1-4 are the *-%pv"U*ntd rouultv on vhti-h
VAs
en!J16 we%
vs. ills
Previ-twe %*mr, m. vixter XmW U97 1-1.09
Tor ear rL",vVtt.*' so. 1799 21.11
?II'vitt"a -vr e'~rsttq' Mr. 2.1,2 2015
i UtmAkn off IAw~,7 an tar, X 28 2.1
ilt:m t t --n ef r I -t*iu-,y an n1 eat tne, %
Itto, V!r 1-1 or. *0 "11"ted
war nl-~Uno :bi wv** eAle,!to 7.5
C-0
-.0
BATCo document for Province of British Columbia 2
November 1999


RESEARCH & DEVELOPMENT ESTABLISHMENT.
Britlsh-A~rican Tobacco Co., Ltd.. Southampton.
n*to V~e r'3ueqLng~_
1. 1 nt:)e wtu*1 ew-luxtl-~n of ab-sclute
fUtrnti-a
(af f Lo1wrelea tudng tar wi t". indemp Uw rilter
1,i aAr-_-_ft-3 oith w3lnnt to doW-Ptim P.* t?.r
rVt1:.Lnf-. In the anne of the treaW filters
C-trf~AAV'ft in a-A V-7-vileta, rw a 7:)-tion of
the
mr_%ka in at'.111 retained In the filter, Li is
f L1 -in oft,
:7,.o v-rrmle filtgrv ~rrrrc bPA147 attwhsil to
Vvi
vlr-~-vt4ei, ItnrLra air r!t~nelz al".W.14-9 Vic,
,I . * -_ad ;-c-.1t t.',* v."lka to
flit.p- - upn JA:
byrz~n the filters. tleno Lrro*dv. algvettoo
S_r%1 roj'-~.te-l In "M S-919-t-ti,~n pro-slum.
VIA
I a VI'T fAr'-.'VU-r 2 had Imm. 21 f Ll t-ra,
V.-I t!C-1t*A el4vattei aMe=ii V, hnwe
wl:'In-Airistol ft1terot that VI t3 V.7' the
fil#*r pin-C-3 vore 9::trwmAy wf% aM qtdto tniDe,
-Utr-. L r! .1jr.
.1 Vm 2":~ s-r".1v ele~:rottaa, caly 12 pa-Inel
'nw
0 e!r--t3-_-* C-Atorift, !mni Uns-3 the rwnxits
re--jrtal
a t' 470 are an mwh 16:'s ttm the inpbe- of
elzri'l-ottel vo e-v_9Vw nc-m, -wry for
rvTW..,Jf1t41ity.
5. Ti* -,~i ftru" iK-h ve etwLftr tv to Ia ex7 vn;
re-U.-Pble rure thaa* f-:w toar #L--.1 vat-It-tro
tolle-q*d
rer e 1,V-x OtU. Thwe show that V* ret4es of V.-*
t-;-!; sub-otanow wavox-yrrd obsup bet.--"n 0&9
e.fnt"I,
7.5, V.-A the Mrlg, 19.4, t3 NWh a vW 01 V2
5-IMPA that 'the ftw!vlo tw3wo w:* tathar U.--n I
two
'Ms eqy be a tuwtim of the rvw w." men"twe
aninrle". it to V*ctwiblo Vist thiS -*11 Lv
VwHe*" if WwItivo Mtrpiton of f9leitten r-21-her
V".1n --f tnr' 112-A vv
t*r7rs voi vmld gw-!'-r-t L111-1 V.-Salbully.
.9 1- , ~ we,
r.T-.r*v-1 -t letter of t
tb:it t:* o--twl v-i to be abLe 11r, 1_r-x'.'U-w
flearen f-v t2he
- LA-t'aterAiLl Ln tbe f,w
flurm.'t G%-0 V th'xt ve tr-,%W tl.!n
A=-
BATCo document for Province of British Columbia 2
November 1999


RESEARCH & DEVELOPMENT ESTABLISHMENT.
BrMsh-American Toba,,o r~. Ltd.. S..thampton.
bztl I
fbie%! Ott-"., nr vs t--A a armil ow?qAe vis I tie
at* ts~ aw*, itevoye- as wiv, v-9
r Ir~,-r-rOtAt! ve .;r * n?t IntervtzA st oil in
U* rutrats'.. tip
but onl_v In tl~a maltrrinl la the owks. In ths
eatte 4~f Vier-s
Lrett-w! filtrt- r1ug oftviettta, v-s are
pm-timagrly Int-eTente-4 In
vhid !!.,e plAg hTts 4-m V7 the tvp and L'As V%
%.*!' 'are
mf tke futor plor".1 shwPA t?-;Qt tbey vers -:.-
veev ml en t-1-117 Lt-tstrhO t-, tt-e 61Tt.-luttvs
V6,nt Uty ft--n 14
i-v--d3y, to rel.101 U '-k to be a~-tlrre, In
to-t, *4 filt"rs. '. a
U--in an.) 0-1-0 jl'~! tr) "a
"L-Z'"' ea %lh% 6ftr.,jo Vs flunrw-mt
but. 1 n'~t V+~4.? thnt W'.a7 V111 h-To MS.+
?0110111ty. ,,,Nwb
!...q V"'!y eyr, vill V-9 ra'SLU0110 !~t thel 6.0
t4 Va Irg-vt.
r
r
LJ1
BATCo document for Province of British Columbia 2
November 1999