Document X8y5nVrZayaxbL6DEX7VD3m34
FILE NAME: Metropolitan Life (ML)
DATE: 1934
DOC#: ML026
DOCUMENT DESCRIPTION: Dust Survey, Rayestos-Manhattan - North Charleston
\ ' t*'
* I
fs /L -3 /3
iZKERAL ASBESTOS AND RPBBER DI7ISIOW
Of RAYBBSTOS-MAHKATTAHr IKC.
Ifarth gharleatoa *
*
Ib a d sa t sartay indudad l a th ia re p o rt la atq?plenantaiy to th s
aurray aada l a Jsn w ry , 1930 -and v u cosdaotad to d atan d n e tha a z te a t o
o d o at xaaeaal aceoapllahad by -tha la atallm tlo n o f aav azhaost qnipeiant and
4
rad aalg s o f od ahasat qtdpaast
Tha aaabar o f huLLdage, tha proooaaaa aad axraageaaat o f achinar?-
aro th a h m aa a t tha. tla a o f th a p rarlooa w r w y. S ia ashanst yatama o f th a eazda hara baas redeaigaed to cover tha
achina acra coaplately. Zn aa gperiaental caaa ona card aa coTered aa
c e o a p le td y as posslbla th ia
saa adosad In ao alln aad as a lr aaaple
m tahas
tha anclosora aad tso g aseral a lr aaaplaa ero ta le n I s tha
card rooai propa r a t tha aaaa tla a * Sha f l r s t a a t o f aaiipl aa saa ta la s hafora
th a conreyora f r e s th a pr agaxatlo s roo* hagas to b rln g th a fib ra to tha bisa
i s th a card roen A aacond a a t o f a l r a w p lt n a ta la s a fta r tha conreyora
had boas oarrying fib ra to tha b isa fe r aora th s s a s ho-ur.
I
As jfcanat ayates asd raro lv in g bruah a ra l s saa fo r th a isap actlo s
j
4
o f s o ta s elo th l a th a u v a rooau Ih la aork asa fo ra a rly dona hy hasd bruah-
Isg Xha loo fib ra la broabad Uros th a elo th la ordar th a t ay lawa oould
ba ao tlead aad xaovad
i
i
i
E x k '/tf fj.
i a a ir pi n a tahas t th tabla and tao general a lr sanples wera
talcas la th asara roo a t th seas tiaa --osa aat na talcas with both tha
xsrolrin g brosh and axhaust fa s runniwg and o'na aat with th rarlrlng brush
opnrating but without tha axhaust fas* Osa se t waa talaos with th worknas
brushing th eloth by hand, th aathod usad bafora th axhaust ayatea and
-xsrolring brush nara iastallad
Th lsapsction tabla was adosad with bearar board and a series of
saapl was talcas both
th selosur and outside.
Tha folloning tablas lndieat th analysis o f a ir sanples talcas a t
rapreeantatira points In th d iffsre a t dapartaants* Attention is callad to
th fa e t that th previos surray was aads in Jaauazy and th is aurwey in July.
'
i
Piarticl sis asurasts wwr nada o f th duat by direct projco-
asthod Th resulta ara tbalatd and appaar la th graphs attachad a t the
Mav o f th xwport. Zt w lll b sotad th at froa 92 ta 98. 5* o f th partiles
ar la s thaa Ifi aicrosa la graatast dianataT.
. x
discussion o f ths di
aabaatoais and a corrlation of
tb X-ray flzxllnga ara raaarrad for th ganoral raport.
i*J'.r 1
t
PMPUUTIO KOOM
templa k .
S tatist
Sate o< f t .
KlUlaoj t f
KIU om t f
Typa
i l r templad h r tU lu par es. Partiels* l u i
sf
f t . t i r M tpltd U ta 10 aleros* pr S u t
teaark*
1
i t i t u w A a w apau 7 h t34
ja .4
M
4m m
a
A t+ m rfl
* .
te .7
M
j
4 m 4 f ( t t n ste te r '
4
M JM tac ta l 1f flo u t
9
i t O f atekar
7/M /K
*
U ta rtta a l f r apaaar
T
R aw a u la f aatteu
ad u tw tM
.
i t k d a r Metta* lattflas * hate tM tk t tu M attai
a
f
*
i t fa tte r ta i t f M ttaa
f lir t tfM tr
3A
i t ttttty te ai f
p later# !
4M
M
SM .
la .
a ta
la
SM
007
99.9
70
JW
ta *
SM
M
29.9
1.9
M
iabaatea Ou taa'T ariici
t tao etiM n
ifrleaa C flfl
M
2.5 U , ia 003
tea usa* biada
te put ubsstoi
from tec ta te (te ta r te (m
tesar la te truak
paratia loo.
fibra frea te
fib ra
fl
teste j u i pat
ate w araror
t r ama ama
Ou ata
a
lopptr ai e
ata
7 0
iib trtet ad M ttea
Tss a n itesi u fortes mistara la te f itte r #2
7.T
` iabaatea Ou mui uba.
tea drop* tf
te a f,telar
aeree U te
a
traete
Cette Osa a u
M
Cattea S alariai drop
te
frea a u te lt
u teatea te Batter
U misad U
. tte m p 4a>t M u t f ttePraparrntte. l U M - m io . partala*, U * *m m ifM ttiiM iriiW i
iti tte
aaplo I .
S ta tic a
Bata
47 . . 44 25
90
-- -
I
Cord roo* - to sta r loto batvna cordo 12 ad ZI
7/11/94
O norai o ir oard
rooo to star alala ta i o lima
Oooarol a lr ar
roa ostar a la la ,
oa rt o H m
0a tr il a lr - lek,
*
ropo ta i to la ta l ta r i
C*. Tt.
Uilllono t
MUIleu o
Alr lampiad PortieXoo por Ponici l u
eu. f t. t i r thoo 19 mierao por
oanltd
eu. ft. Ir aanlad
90.7
5 .J
5.4
Typt o Duot
....
Aobootoo
ImutU
________
o huaidif.ro
42.4
15.9
4M
19.4
9U4
4.7
15.4 14.4
44
Botooom corlo #10
U rlo n i #29} b tlt
.-VT' ibrokom om om
Ir W*
e iri #35
|1 omd #14| bll '
brokom om om
37 Ooatrol a lr v o ti o 9 / /J4 35.7
1
h ita oard raoai
oooooyoro froa propara tita roa aot ruada .
9 t latido ato lla aolatoro .
1U
1.5
om oard
0
3 feacral o r - aot o *
94.4
4.
* bisa oard roo*
40 feaaral a lr oat o *
9fe4
4.9
bisa, oard ro tai ooo>
vapora ir to propara U ta ro ta raomla
a
Imaldo a ilirtri - aaa-
2fe2
54
poro ro a proparmtlta
aoaa naaloc
42 0la tra i a lr - amai o *
90U
ia
U n oard ro ta
1.7
ia
*
4. )
fe4
Iom timo ta #94
o d #39.
* &*^*3V1riadova clooodi ota tU to #97
^aai #99* omtoa
. r f - * ""
' i V 'f* 1
Soso tU i aa lAl
tod #44
.***
ata, toa iaa aa #40 oad #42
femoral alr i--fV` ovante )5_ta aaapUa IT, JO J7, Wi <0 *1 t* H* ***<* w ^ auroop Olum xi Ifja aaa 2.4 allliaa partloloo por cabio foot.
*.. f
1* * *
* *t
#
aaapla la
13
spi DEPutna
SU ttaa
Beta Co 1 t.
KiUlooa f H illloru af
U r Saaplad Partiel por Partiel loia a. f t . a ir tata 10 nieras por
__ U ffilld______eu. f t. all- untad
U #5 aerai air 7/10/31 29U
1.1
tra in a re
' tao .
U
0naral air rta
A
32.3
0.99
0.91
fn a a aptaata
15
*deaerai a ir - ta ta tara
30.0
2.3
2a
16
dan n ai a ir - apealara
27.9
0.93
009
17
aaarai a ir - pallara
30.4 .
7 .7
U
daaaral a ir - anta
30.3
2.5
20
fp lM llf
a
Vf
daaaral a ir - naia
30U
1.3
1.3
aptaata
U
Oaaaral a ir ld. #5
33.5
tad
1.4
tra id o ra
U
Md /S tita n e taa
23U
2a
2
rta c p n a a a a
Trp* of S u it iabeotao aad . Craphita latootaa
1
latootaa aad ra p tlta
Kta&rk
Tao eoa o tta tele
for rta proaioai
npU ta nd fisa
U
. .
Too aoaa - 1 toa
M atta* /ora ad tra
Fear aoaoa, poella para free ria fraao aoar otado oa aorta alia
ta a aaot apoelta para free otta aptam n at parti tion all
Za alalo tot #J od t i - #9 ta l PIO - alo
Za alalo botonen #9 aad #10 #1} aad' ` #6 - aule
Too ooota too aoa
T n aoa forala laoll-otaod poeta
loara gmaoral a ir im >Ui IU ta 19 tao laalta, ataa - 2.6 a llltaa partiel per able feat air ktab la t l * o r Ma toara a f 6 tlU aa faoad ta n w p f #*7 1930 M a ta eeeoontad for bp fe a t th a t t tin o o f piea aria/ aero aal aptaataf ad loa f r m aptaata a* dan l.a . rta fra t^ - 1 ad ta ia tta a v ta n ataa daat yaadaoar thaa aal aptaata tba powlM Utjr f dort fro tta allattar an tap f tha -- - top ad djaaaat ta ta la dpartant tata bleea tato toa m io planta a d u li net ta eterlaaked
xg.
taapla a.
22 ai as a&
3&
32 33 * 34
39
36 43 44
tat a
Oaaaral Ir - *t aad a f aaaaa reoa laaa a laa U iaapaeilaa ttk U aaaa latk
iJ&SS
Bala Cu. Tt.
Klllloaa af
KU llena ef
77p*
Air Saaplad Partlelaa par cu. Partid laaa
f
t t . ir tapiad thaa 10 lerena
Duat
a
par cu . ft a lr
___iita iid _______
7/10/34 32.6
6.3
6 .1
Aabratet
7/ /34 35.7
0.6
* 0.5
4
27.3
2.6
2.5
Oaaaral Ir - aai
27.7
5.5
5.3
aad a f aaa raaa
Xaapaatlaa tabla > *
20.2
3J
laaad la baar baaad | m a ta - tapia takaa
latida aaalaaura
3.0
Takaa Jat aataIda *
17.0
7.1
aalaaar
7.1
Takaa'laaIda
ao.2
23.2
21.7
*
aaalaaura
Takaa aatatda
*
1 2 .
1.5
aaalaaura
takaa latid a
'
20.2
1.5
aaalaaura
T alm tutalda
17.0
U
1.5
U4
2.0
Oaaaral Ir aat aad T/t/M 1 M
7.3
af tan no
Oaaaral Ir - a a a i aad *
1 .
6.0
a f aaa ra ta
5.7
Rraarfca
Xavolvlag bruab - . ahauat hoed - taa aan
Taka U h rrro lrtn g bruab and aahauat
ra m la g , kflahtt*n le t k 0 4 15 nJ 160
Sana tlaa a #31
Xa.ol.la2 bruab ao xbuat tae a ta San* tlae a #33
and brushlng tbraa aan
laaa tlaa aa #35
Bafera ork atartad ln rala, ahnt tfak froa ald aljh t
1
1
9 dat IN M I i f aaaplaa #4) aad 44 N N tik n W m ork i t v M U iba atraa . thaae aaaata ara attaldariblj- U p a r tkaa aapltt takaa darla aparatlac parlada* ttU 7 ba dua U alaaia a f a ladaaa, ahattlac a ff a f taanldlfiara aad A aar aataplac
. ; ; f * i i t
.!
i *
*
*
'
\1
t
*
a
,
,
*
Si27> JBCCU (CoaUud)
t a f l i 8.
tU tlM
Sau Cu r t .
huilona t
HUIloa of
Tjrp
JUatrkt
i i r l f M farU elro fa r ou. H r tld ii lfia
Of
f t. Ir Map}*
the 10 atnor.
fu
p*r u. f t. t i r
45
O tam l t i r Mi 7A3/34
27.0
2.6
ad f ta n roui
4*
O tM nl t i r - u t
27.
2.7
ad i f M i t MM
47
4 t laapactlM Uhl
90.9
Oa
f t r m loth. ir r
M td ia U R
4*
MM b N tlM M 149
a
9.0
49
itm I t n t i n n #4*
27.
9a
90
b il* tlM Uhl
90.9
oa
haad hrwMac
SI
h a U n U u #49
12.
4.9
9
l u i lacatlM M #46
20.9
0.
53
TAU 1--pt*i--
*
2ia
14
i n 1U, ravaltiac
hnah, a n U t
. 2.6
2 .7
oa
2. 9.0
oa
4.2 0. Ul
Abc*ts
i
m m
Sos* tiz i H i ad 47; ve ree U rU i t 7 o'cloek
S t Um u #45 aad 47
lU rflrla bra*h ad xhauct; t u M t, l(M tU 11 #45 *04 46
i n t Um t #49 ad 90
Saat Um #48 ad 90
Ar cm . t MM Um u #48 ad 49
At iu < tla #92 ad 99
Sta tlM u #91 ad 99 X. 8a tla a #$X ad $2 t*o Ml
. cl a ll1a--plt #33, 24 ad 26, 49 46, 4. 49 51 1 52. ivoneid j ,5 u m , partial 9r cM far 1r opr4 Ith 6 f ad U w m ; of J M 7 1930
* ;
s
1
* *
*
*> *
.
4t
l 1 1 1
1 ( ^Carpio lo*
r'u. Ctatlon
" 0 1.
'o
r a t PglWMMT
ibi* e*, rt. Air Caaplod'
UUlOM f Pairtlelaa por c*. fi* t i r aaaplod
.
Ooraral Ir aoldad *7/10/34 62.3 packl*c dopartaoat
8m n 1 Ir wfcbtr . pipo--itag voo* * *
2.2
0.45 1.4
V
llliona of Fariielaa loaa tbaa 10 tlerona por cu.
f t. afa atapiad 0.43 1.3
i
iyp* of tu it Aaboatoo City load ' talo aulphor
: : 0 Rotali*
: tapi* io.
a
f jjtr oir.TfiM
Ititto a
Otto Cg.,ft< _____ Air Staolod _
K llllfrato of load por oa. f i. t i r tt*lad . .
latrata tra rtbbir 7/10/34 33*1 eoapooodlqf alilo
locativa for load
23
'dorarti t i r - rubbor
'26.2
eoapooodiof rao*
Voftilva for load
-
trv .o t - dual
fioatrio
City load ttlo aulpbur
a
Exhauat bood U h oloth
cartoli *
P
r^
o
o
Ataraca fsnaral sir M m moa darla tasta
Cloth ftaapsotloa tabla axhaast and ravolrl&f
doth iup settoa tabla m oahasst bat with rovoXsla brash
doth lupoctloa tabla -
b an d fc rtu h lB (i bo
s m m is a m m
Tabi* sbowln ih N ulta of spulai tasta nia at tha alatli laspaottoa tabla
Millions at Dost Partilas par sa* ft* air saaplad
lu id a aooloaora (doors oloaad)
-
1 .9
3 .t #
dorsal eoodltloas anoloaura raaorad
3 .*
0,8
23d;
'
l.? .
1.8 .
0.8
-1 0 -
Zt as noted that only al i gh t changes had been Bade In the prepexa-
tio n rooa sine* the survey In 1930* The method o f o ilin g and conveying the fib re reseda* the ease, la noted, the average dost count resained constant.
extensive changes and increased aathodn o f dust entrapping and
raaoval la the card rooa usxe noted* Sw aethod o f conveying the fib re froa
the preparation to the card rooa is the saae and the fib re i s carted froa the
storage bine to the feed hoppers on the cards la the saae Banner.
latn ral ven tilation I s supplied-by open windows which occupy apprhx-
aately te e thirds o f the to ta l w all space*
p--p i-- So. 37 and 39 were taken before the fib re conveyor froa
I
the preparation roee were running, while saaples So. 40 and 42 ware talan after
the oonveyors were put Into operation* .She Increased count I s evidently due
to dust generated ty the fib re oonvwyurs and leakage fr e e the storage bins in
th e card rooa* In the t e s t on,the enclosed card, caspias 37, 38, and 39 were taken
before the fib re conveyors wars operating and s u p le s So* 40, 4 1 and 42 were taken a fter the conveyors were rmnlag* The wuslin enclosure i s not effectiv e
in keeping out th e U ne dust, ae evidenced ty the ooaparison o f counts on saapLes taken staultasaoualy inside and outside the enclosure* She increased
counts a fte r the conveyor was operating should he noted* She e s tiv a l ven tilation in the weave rooe I s aagoented ty a feroed
a ir supply th rea p th e fan and distributing duets used for heating in the w inter Booths* She chance o f duet pollution froa th is outside a ir supply i s
reaote, ae the dust eolleotors are located a t a distance e a st o f the weave rooa
krperiaentel wozk i s in progress on entrapping and exhausting dust generated by - t h acal
A ttention 1* called to the te s ta m os th e d o th inspection ta b le , w ith th e mechan ica lly operated brush, which show th a t th e exhaust system is effeetiT s l a keeping th e du st concentration does to th e m -- count as under the ayste a o f hand brushing w ithout exhaust
fits lead p o llu tio n a t the rubber eoapoundlng operations o f the rnig departnant has- bean corrected, as shown by tha abssnee o f lead la the s i r samples taken COHCLPSIOWS ASP 3EC0MMEKDATI0NS
in exhaust agates i s under eoastruotion i s the eard room tad experia a s ts l work i s l a progress fo r estrappisg and exhausting d u st generated by the looas i s th e weave ro e s, and u n til th is work i s completed aad cheeks run on the e ffid s n o y o f tho exhaust system, no o th er recosm adatloas oaa be made.
T este ooalustod l a tho eard rooa show th a t th e re i s an increase ia th e general a i r d n st oonteat when th e fib re conveyors a re la operation* Shis
i s due to W r o f d u st txcm tb s fib re storage M as la th e eard rooa and
a ffo rte h""TM be made to s s a l th is leakage
*
Dust particle sizes in microns Ck *> &'
20 ro SOD HJU,
I
JOD sov ro ZD SD !
cz os cp os ta ou oa ce ss es es- ece 6C6
.. :
it ' ':Kl
\*
t f t a * *
M l Ik *
< **
o ssS S & sssn & ses
n H i iim iM n iiiiiiii iiim iiiiii!iiii* *
IL
n n n jn iiiiliM B M in iiiiiiiiik ; * 11
HHZiIZfliiaaiifi*BaB"B i""alll,BSai*saaB*B*liaak^lvliaMflM
o
o
i
% s * > *
m o za-ja n r k t v p - ^ n t f *ng
CBS SS
(i <*
Dust particle sizes in nierons
s i
!
i
Dust p a r tid o alaos in nierons
^
*
c. V ^
c < b '
o" 1"Hfl.I H tH iS iiw it Mwwiutr. tuK uM ii owma rmir
o
tu m s tu a s
fff SO o s o b o t o 6 0
roronteg froqooncy of oocurrooeo of iot partilo
iI
.
AaAMMv HO. US. UUMIWMI
mumm MW. o r a m w
o
*mm1 VM<IN99
O ir:- '
: t
;iI
I3
a r *^MaiinaiiaFri*iBaaaaaBU>>iaaaBaaa*anaiBMm
I
r'a n itiiiiiir> ii> iiii> iiiiiiM iiiiiin im > | aM| l a t " t- j ululili h i *i i b h i i h i i i i * * i *m i b
tS
r f H miUlh- M l I l l I I I I I I I I I I H I I I I I I I I I B H M I l i a
iiiH P iiii i; i j i i i i i i i l l i i i i i i i i i i i i i i i i i i i i i i
Gs II1 I5 !l!l ||n l l l l l l l l l l l i l l l l l l l l l l l l l l l l l l l l l l l
iiimiiimimiiiiiiiiiiiiiuiiiiiiiiiiiiiM imiiiimiiiiiiiiiiHiiinnnir
B B -H M H U I lia iH d af
M M IIIt i > BIB
!!5 ZSSSSS Z S
iiiiin iiiiim iiiiiiiiiiifiiiim m iiiM B B B iiiiiiim u iiiiiiiiiiiiiii i u u u m iu ib b b b
i JLILILILILII1IllilIllllIllllllllllllllIIIIIIIIIIIIIIIIIIIIIllllllllllllIIIIIIIlIlllllIlH IlIIIIIII
TI
> n
vausprWi MT* nT**
>7*T -' * 7 * * T * * d * n a
Dust p s rt e la s iz e s irr m icrons ay
Dust partila alaos'ln.itorotuiv
Duet partiels sises in raierons a* b
Percentage frequency of occurrence of dust partidas .
Dust partila izas la mloroas < k < J j -
a.t o .iriir~M.ri t i . i ih, * mun* <
STr uLtc C
o
C O O K * K O O K C O M P A N Y INC.
MOAwoeo. MAMAeMotrrro
r\
I Dost p a rtie l 1m l a aieroaa
Ot QOS OJ 02
/ Z
'
w
*v
mu mu w
Percent* frequency i t occorrane o f duci paritele*
-u L
/<- *3
d
o m sam ,2tL Om aard laaida sualla enclosure Caserai abastos & Bubbar Dl-rlalon Baybeetoa-Haahattan, Zas. .Charleston, 8.C. U -7