D U CAINA
D A
I:STE@-- D2 L'AGXULTU-?
CANADA AN. Z
MOD'UCTION AND D:--':CTICN DE LA FROCUCT4;CN ET DZS MARCH2S
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,Ov, r,, c .O.
c 1-:=.'-c rof 7 010a C C 0
-6JUL1966
,n no 0i
25, 196'
at Dol"'i; Farm..
:.,C: "Cris"r-,tion of E-.-i-in for rn-i cn L,3'nacco ......
...........
This noc-ti-3 callec! to diccusz tho ncrsib-lo '-ealth hazard: which might
-ccruc @rcm cn=@r4n rcs-duc:; cn tc'-__-cco. So7erai other asocctz of hazard
duo --O tho uco of cn ----4n ..::ra 61-i--cu=cd such as drift to adjacent crops
dostined `--o bc focd cr fecd and t'-o =--;cziblo occurrence of residues,
=d the ozcuoat4onai hc--'.'-, --.-,:cc-s -;r. -;t-- a:@Ulicat4on.
rcrsocc' 'u cndr--n on t-.c tobacco itzso'f, thoro is ovidonce
@o 2.@dic_-ta ti-at. whi-1.3 --acidic-:; dotcriorate ranidlv on tho
t,-cy _-ncar in tho toc,:cco even throtic-h the I'lue
.cbacco lcaf, 11
c'.3r@- Treece if ap-1-i-catic-ni; aro ra--:o too craze to pr4-ninC or harvest, (1).
lzcsiduo@; t'--- rrchar-;ast intcrvai and the fluc curinr process
'bcci:;-.e ztabic in t@c 'cbacco and no rim _nA
occurs durinG storace.
In or:!or to reduce tho p-ozzibility of residues occurrina in tho tobacco
leal' aftcr curinrl-, tho ov:.dcnce sug-asts that a 14-day prohar.-ost interval
@t.
should bo _i-no:cd cn tho uco of endrin. and this rostra :tion now appears
on tho cndri, labois in Carada. This Interval corrosDonds
,o that w@ich is in forco trith rosnect to tho use of endrin en food
crocs, which are monitlcrcd by the Food and Drug Directorato, and is still
acc@ntable. Tclerancoc have not becr, established on any food crop and
X. ew i,any viclaticno of t1--s- "no tolorance" have occurred that could not
.L
bo ccn:trucd a: nicunn. This uso axporic.-ce supports tho approach that
a 14-dav interva" will rosult in rocidues of a very low ordor if
datecta'rilo at all.
ao health hazard of cnok-ng 'obacco c nta-ln@n- endr-;n
t1ith ro.-nect to o
:-esiduo:-, one must considor -t as ar. a.
tmospnaric pollutant. The
A-merican Conforonco of Cc-_,-(-rY=3ntal irdustrial Hygienists (2) --n 1963
eStabJ4 shed a Threshold L_=It 'alua for endr-.;n at 0. 1 m[;/r 3
This valuo
is acceptable today by tho Occupational Health Division of tho Dopartment-
of national Health and Ulolfare. Valucs for other co.-,-.,on pesticides
are as followsq Dieldrin 0-25, Heptac'n-1cr 0-5, DDT 1,% Carbarvi 5-0
and Guthion at 0.2* I"n appraf-sal of 'the Safety of _Endrin -rescues in
Tobacco, fr= She!! Clt-.cmi@al Ccmpany --:=ted February 1", 1-964, New York
20v N.Y. inclucics a Korea -Far dctcmininE the amount of cndrin residue
availablo to Vno =-@@ccz Iby followinC :means and is cunnorted by tho
work of othor agonc4cs. i: cztizzatcd that. 17"0' of '%@o cnd.,"_n in
tobacco is likely to rcna-in --- t'.-Io nain stream snoke. sunportcd by
anal7noz of w'iolo and. tho 1-11 butts rc-nainirig aft-or cmoking.
Shou@d an individual =cko 40 cigarettes per dair 51hell calculates
Z 717 =>
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MED d 1:27
(-n
BATCo document for Province of BritiSh Columbia 21 April 1999

Z
M'C:@-S--ams of cnc!7-;n available
@f It() C47arot, C C
Y;cl-;:; 70 U@:, Ti-'_- 'O J-. wculd rc prosont
r hat
:-,n :-:a-L. Compa y a=::c,,-',= t'
oil
wnich lca-@cs 2C"@' of
2 of cn=.@tn zu-,nzzca1-r par (:!@y. To rolato tho -_'nnaled
10 to zho -last 11alUo for er: -4-in to uhich a worker
@7j 1;) - I
M-17 bc -'C:- 3 u-i-1hout dctcctablo dellotericur affect the
-:ai@ht of cn-_-'rin tho par4_cd m,.:::t be calculated. A
se:@ent.--ry wor'.-c_- will brcatIo of air during o ri-:@urs. and thus be
s-,,.b-cctcc! to !':C -c!7. p_-7 day. tho c- -arette f-noxer --s S-ubjocted to
or a2cut c@' t',o accontabic dcco entabl:.shcd ar, th Thr 0 sh a I d,
C
LL-ait Ir-
C.-.0 0 0
acc%o calculation d:cz not endrn should be
consil_;=cz! accootaoic, -..:t it eoa.- hoin to rola'. t-noso rcciduo levels
orosenl- wit:,. acccntab-- no=s rco_--rts rcccr.-nord
@%.at C-cry cfffort '--o to kc3o cndrin 'n:.L..e by man at tho latest,
cczziblo lovol an-4 7:-o harvozt
shou-id do much t
accc=-_1 4-Zh t.'n-z C.--.
Occu,!:ational hazard 4-: a to 'co considerod and .L-:loss the hazard
in inor-"_natc1y hiCh t1z nrccautionary lab-c-1 statc=c:-.-.-s -if "allowed
-houl,
7rovida ac4cquatc Most @f riot all endr-_In ,lo.:; bocri applied
Y
to tc'--acco f:-Cm. the ancl. t.,-.o at,zendant '.-azarda must be considered.
The =--lot is subje@:tc_- to a r=-_-um total expcsuro of 0.29,, of what is
lo 'co ccrisidorec; to b3 -- tc:---;c done, co:-ne ou-; b,-r dz-,;a dcvolopr.,d by the
Occuca-:4-onal !!earth D.L-.-4_=-_cn of tho Da-ar@_-an,:, r,::' National ".0a"th and
'-Iel.faro and -':,. c'cra a_-.-cc=n'. H.R. Wolfe at a' '3)
High pressure
cro=a rig area' tors Subjected 'lo sLmilarly low ord;r 'of magnitude.
The a'_-ovc fi-uro:; prcc-.=@@a tha. nonmal prncaul@tcnz are taken. The
rccautionary wcrIcers should not to rjormittcd in the
LZralro- @eld within days allcwed adequato pro--@,ection based on resent
data.
Control of drill". to ad.acont crops i3 an oocrational aspect tha-@ can
bo ccrtrv'--cd only by enplicator and 4-3 no -nally outsido the
rosDcns-__ilA"r of 'lo ?cc' Control Products Act. So lonm as drift
-4s controllablo and It possible to apple a P-3sti-Cide without undue
ccnce:-i for ad4acon'. crcna, this aspect must be regulated by the
ozorator hi=oj._' cr by ::rovincial authority.
The product ordrin is acceptable for regis'Lration-undor tho terms of
the Post Control Product3 Act because cannot bs shown to be a health
hazard according to the p_.ccont data and standards, neither from the
ex,jected residue situation. u-ith a 14 dav Harvest :Intervals nor the
occupational hazards if used according Ito directicr.
Fron the discussions at this moetinC it appears that endrin applications
prior t1o the 14 dav harvact interval may be largely Outside present
practice. For those pas' control situations on tobacco whor@ protective
sprays mfy be useful, or whore early infestations occur, andrin may be
3
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co
BATCo document for Province of BritiSh Columbia 21 April 1999

'uscd to -o-d advan'c-o a-_-I bo available for good aCricultural
practi@@n. f-.-c,,arvcrt intorvaln ara or,'._,blishod for nany pozt control
prozrans and zclccticn or to cuit the proCran and tho
intor-._@-_- to harvcst ic Practice. Local or regional ccnditions
,-i
.,-11 ccr'a4nIy dctato tho pr,:@caduro to follow and federal rcCistration
w-d c-,nti'nue to ac.-mit rcgicna- au--horit--as to mako the reca,mcndations
at tha,-- love! to @urthcr restrict uzo Practices if "his is appropriat4o.
SUMcrVi!:Orq
Pczticido Unitq
Z' .F/ ibr.
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BATCo document for Province of BrItiSh Columbia 21 April 1999