Document 82yzeE622RaBerwEVGQoeO3No
FILE NAME: Z<
DATE: K
DOC#: Z<
DOCUMENT DESCRIPTION hZZ^ZZ >
"
ocrOBER 2t, l~
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LOSS PREVENTION DEPARTMENT
KAZ
001153
AM::RlCAN 3iW<E BLOK DIVISIOl'! WIllCHESTER, VlRCiIlllA
SUl\Ml'l."IEl) ])'! S.T. T,/AGNER IlIDU3'l'RIAL HYGIENIST
CC'1'01!D 21, 1961
------------------UBERTY MUTuAL INSURANCE COMPANY -----------------'
SPNY 007347
KHALL01154
KAZ
001154
AMERICAN ,"RAJ(!: SHOE COMPANY AMERICAN BRAKE BLOK DIVISION
VINClIESTER I VIRCDilA
SURVEY Of ASBESTCS Al'ID LEAD
On Septec'oer 20 ,and 21. 1960. all' sacpl1ng vas condueted to evaluate the
changes 1n the dWlt exposures .. iDee the last survey 1n June 1959. The t~tUre.aartng the, survey aver~ged~15.0egree. F vtth rather high humid. ity an4 the plaDt vas "openft 0 Product1otl vas sl1ghtly belov norml.
CONCLtEIONS
1. Improved ventilat10n tor Wet Compouod1ng operations reduced the aver.ge Asbesto8 dust level trom 7.0 to 2.4 million part1cles per cubic root. Th18 vtl.l.ue 1.lI yell below the hygienIc atandat'd at 5 mlll10n perticleB per cubic toot.
2. Excellent control ot the lead'duat expoBure has been achieved at "Dry
Compound" ve1.gA1ng. Lead concentl'stloDB "erc reduced tram 4.33 to 0.01, m1U..1g:r~ per cubic meter 0
3. ~e health bAurd 1'rom lead dust during Preforming 11: still vell con-
trailed.
'+. The All1& Cbalmers 'PulveratCl' (hog) T:1/!J.y eventUlllly pr~uce 11 signifi-
cant exposure to lead because 01' the leaka at the Rota Clone.
\le vould l1Xe to tbaDk Ml'. C. :So ~llorYI Works ~nAge"t, IInd Hr. W. H. Baker, Peraoaael Manager, tor the active tntereBt IIDd cooperation that VIIS ebovn to us cSur1.ng thie eurvey.
..J7:~'L'{
, S. T.-
Industr
Byg1eD1~t
Loee Prevention ~pt.
- - - - - - - - ; . . . . . . . . . UBERlY 'z-n.1TtJAL INSURANCE COMPANY - - - - - - - - SPNY 007348
KAZ
KHALL01155 001155
_,'
. t
DISCUSSION
As C'ompletion _of the reccn.nerxiAtion submitted a.5 the result of the June 1959 survey
haS'aehieved excellent control of airborne asbestos and le~.
indicated b7
\
the i:l.at& sheets, the enviromenUi.l exposure to dust is vell below the estabUshed
hygienic ,ta.nda.rd.s.
.
Throughout the entire Cyele ot asbestos h.andllng. t~e dust leYol v~ eonsta.ntly-
below ,the, ade ,-liJILit or~,5 million .particles. '_,'This reduction VM &ce~lbhed
t.hroUih.i!aproV~, ventilation and the results "Ot:,i.i'i- 8'ampl1ng eon1'1.r1Il this
1lI!prO",eIlIOIlt..
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cbHPoom>
~,.f; t ..._ to
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.. -\..1"..# ;'#"_,
) ..~ ....
The 'exposure irem lead dust 18 now negl1g1blo si nee- t.he operation ...aa changed and
or looal exhaust. ventUaU'on ilIproved. The lead e:o~entration dnr1n the enUnt
worlc C)'cle va.a O.OllI1i1.ll.gralllS. This 1s tU' below the 'establ1shed &ate limit
0.2 milligrams olload per cubic lIIeter
. ' ImFoved ventilation at. t.be mixer reduced the dust leveltroll 0.18 to 0.002 1Id.11.1gr~ ot lead.. b a. rorut, ~ bordel'U\'IC health ha.tard 1'10 longer mats.
BLOK FnnSKINO
'With continued operation, tho lllis Chalmers l'W.vera~ (hog) =q produce a
aUght. OoTderllne health .ba~ard. J,.eoncent.raUon ol 0.06 m1.lllUIllll8 ot lead .
vu eneoun~red' atter sU IId.nuteo ~t operation. The hOc l.t.8elt vas a.d.e~UI.l7 .' exhau.at.ed but. tha Roto Clone collector leaked at. doors and panelll. I=proTec1
guket m.a.terla.l llbould eliminate this condition..
The ebArcG in the exhawrt hood on the autaut10 burr and ehulter uchine ~educec1 the dust In-el!'roB 0,06 to 0.01 aUUu.lIU.per cubic Beter
. !lE!!PJ.Is ~
The Tont Du.at Collector a1. mtca&t.1e Strip nniabine Ma been e:Uau.at.e4 d1notl)out ot t.be departmmt.. Tb1. vUl pre'tOnt eont.am1..nilUon of the work &NI~ ehO\l.ld
the tUter tear or lull.
- - - - - - - - - UBBRTYo_ Mlll1:1A1t'J~URAt1C!\ACG'MPANY - - - - - - - - SPNY 007349
KAZ
KHALL0115G
RECOHl!ENDATI ONS
1. Housekeeping 1n the &rea or the- veigll scale &t Wet Compoll!ld1ng ,hould
be improved. to remove noor sp111llie and aecum~"t1ortS ol ubesto,.
, -
2. The gasketa on the Rota Clone on the AlllII ChalliIerll Pulnr-ator (hog) should be replt.ced because visible dust vu cOll1~ !rOl!l tl\e col.l,eetor
during operation ot the hog.
,
- - - - - - - - - U B - E R T Y :MUTUAL INSURANCE- COMPANY - - - - - - - - SPNY 007350
KHALL01157
KAZ
001157
DATA
AIRBORNE: ASBESTOS ..DUST
Hygienic Standard: 5 ul1ion par~iele5 per cubic foot or' air (HPPCF).
Method of: Collecting: WUlson pump vilh impingers and ~olleeled at a rate
or 5 llt.ers per minute in distilled vater.
Method ot .lnalysi8:
The samples ver~ eounted microscopically by t.he light field technique using a Spencer.Bright Lin~'Hae=oeyto=eter Counting Cell.
2!!!!l2le t
1 2 )
4
5 6
~
8/20
9/20 9/20
9/20
9/~
9/20
~ 4:)5 PM
45 min.
DeEartnent
Location
Wet Ccmpounding Breatbing .Ione during weigh up.
1960
~
1.6
4:)5 PH Wet Compounding General room at 0.8
45 un.
weigh up area.
5:2) PM 45 =in.
. Wet Colllpounding Breathing 'one al 2.1
Ho.l hOjJper to .
Lrulcas ter (g3.5ket leak)
5:23 PM. Wet COlIIpOimding Breathing f.one
4.6
4$ 1!d.n.
at Ho. 2 Hopper
to Lancaster.
7:00 PM
J6 II1n.
Wet. COUIpounding General rOOll at .1.7 Iloor leTel at No.l Lancast.or.
?:OO PM
)8 HiD. .Wet Compounding General room a.t 3.1
floor .level at Iio. l LaneutM.
1959
~
4.8 6.0
13.1
).1
- - - - - - - - - - UBERTY: MlITUAL. INSURANCE COMPANY - - -_ _ _ _ _ _, SPNY 007351
KHAl101158
KAZ
001158
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Hygien1c Stau4ar4: O. 2 m:..:J.l~p.~~ lead per' cu"blc meter or air (HgP'Dfeu .K)
Method ot Collecting: Wlll~oLJ ~U=PI Filter paper collecting COD~, collecte~
at a rat~ c~ 26 11tera per minute.
Nethod of Analys1s: DHhbone and read on Deeklll!ln SpectropbotOllleter.
SBlIIPle lio. Date Time
Dc'P8rtmellt Location
1960
~CuH
1959
~/CUK
1
9/2). 10:00 AM Dry
Breath1n6 ~one
0.01
11.33
30 1Il1n. Compound at lIe1gh leall:.
2
9/21. 10:30 AM DrY
BreAt.~ lone
0.01
~ min. Compo\IDd during entue
velgn cycle and
vitMrav1.!lg trom
b1nll.
3
9/'2J.. 1:45 PM lUck
Breath1ng a;one at 0.08
6 min.
?illlahiIIg Allla Cbahlera
Pu,lverator (hog)
4
9/21. 2:45 PM lUok.
Breathing r.one at 0.01
0.06
30 min. Finishing Ilutomatic burr and
dlaClfer. Exhaust
iDproved.
5
9/21 2:28 PM Dry
BreAthing tone at 0.002
0.18
~ SIX1n. Compound mac4 drop. ~
haust improved.
6
9/2:1. 3:05 PM Pretormins Brea\bing a;one
0.02
0.03
30 min .
at prc.. Ho.26
7
9/21. 3:35 PM Preto~ ~eatb1ng lone
0.02
0.04.
35 min.
at prc... lio.30
- - - - - - - - - - UBERTY MtmJAL INSURANCE COMPANY - - - - - - - - - * '
SPNY 007352
KA'l
001159
