Document QpZk3QwnYVgLX7Qpvbkg3mo5
February 14, 1949
Kr KslpU C. Wyatt
Plant fcansgsr Kereroont Criasly Cory* Faulting, Ohio 45J79
{inr Hr* Vyottt
The atialysia of the air s*\>les eolloetod In your pleat during our survey in 3pcub*r lYuO line been completed* end the rusults ra attached* The ivylnger sacplss vers counted during the survey using the American ConfOTft.ee of Coverurvuitsl Industrial Hygienists* ' ttethod. The aoisbrsn* I'lltoes were rendered trsaspAront with iO-50
mixture of diethyl oxalate, dimethyl plaiutlatu sad countod at 43CU
issgnificstioa with phase contract lllinlnntloa*
tbs dust concentration as canieurcd by inpincac encardod ths 3 Million particle per cubic loot Thtc.d?ld Llnlt Value currently in use, in several locations. Tit* nxr.J". jna liltar rothod la A::pariMntsl end no standard bos been adopted Inr its Interpretation la tui* country* tbvrcvar* ths British occupational Ky&ieao ;-oclaty has issued **I!j*ctonai {Standards lor ChrymtUo Ptbnstes Dust1* for ths } + libor counts, averaged ova* a tbrsa noatb period, as follows!
' .
.
Rsoye '
Rigll&lbla '
Low . .
Hediu* '
' Ugh
.
fihars/ee loss than 0*3 0.5 - 2.0 2.0 10.0 nors Um 10*0
' .
.
.
thsy also tscopaaod that aa approved respirator ba worn wbsa it la
necessary to writ in "high" coaesatrstioa areas*
.
Sons rsprletb ralatlng to our study are enclosed. Your coopsmtton Is appreciated and the data coined from your plant ia of considerable value*
Sincerely yours.
act Prog. Hs*t Offer. Dr* Crallay
. JRLTHCHm*
pAttaehaoats
Jorcoleh R* Lynch v Asst* Chief, uvirotMMial
ActlvlUaa FleU utudlss Occupational Ssal tb Fregrsai
k
r* e n r
--3 o a*1> rf
tor* ar
---*- fi msr -* f"3-
iyd *
? 00 't
5-
$-z
*Ca
Pf
?j
o
c/> 1
o
oI
Lfi
LU
Result* of Air Staples of Saptsnbsr 1966 Maroaont-Griesly Corp., Paulding Ohio
Operation Mixing & Coating
Mixar
loll Mill Operator renting
Profons Oporator
Fora Curs Operator
Impingcr /** Sarnnla # nmncf
Mewbrano Filter
1'lbcro/cc Sample # Total 5ut
B 112 47.6 136 0.7 11 0.9
0 15 :
0.4 2.1
f
*.
.
B- .
149
0.7
113 139 12
. _
11.3
?.s;5 10.7
7.0 1.8 5.5
'
..
108 . 109
111
127
20.9 14.8 30.3 20.5
` 5.5 3.5
150
137 141
.142
6.6 3.4 3.4 1.3 1.0 0.2
3.5 ?l
P
B ; . 27 0 32 F '
' 4 .
.. 0.8 0.9 .
129 130 . 131 22
* - .
.
. '
160 . 161 ' 166
168
13.4 4.8 3.1 0.8
7.4 2.0
1.9 0.8
4.2 1.3 2.8 1.0 5.0 . . 2,2
5.3 3.0
WRIl
I - Breathing tone aiaaltaneous lapingsr-nenbrsne filter aesgilea.
J
F " Farsonat aeabrane filter saaples collected by t stapling puap worn by
the worker. `
. .,
0 - Central air staples.
'
''
.
.
8---'*-*-*- 2S
9 w* * r> a a & 17
rS ft
a n r*
(O r7 f*irlr =*?-
its"
ft iy2* *
?<*
\ v
*ito*
pf o \
*> W.
u oXp'
o
! CO
]o
o >4
KarMtone-Grissly Corp.
-
Operation
____________________ '
'
2
Irnnlnnor Sample 6 wnpcf
Heabrann Flltor vibnra/cc
Cample # Total 3 u
Forming
.
Clutch Minder
.. Bot Preening Bot Freee Operator
. P P
' .*
. : %'
. jB
Mot Pro** Operator (Clutch) P
. * "* '
*%*. * B-
... Bot Pros* Helper
P.
105
. 102 103 104 128
19 0.8
20
t
107 126
53 . 3.3
54
. - 106 110
10.6 8.3
Oe5
9.0 6.4 3.2
2.0
8.7 0.9
13.0
7.4 17.0
6.5, 6.tP 4.3 3.1
1.0
3.7 0.6
6.0
6.3 12.-8
. Bokint
` .
Oven Operator
..
. Om Helper .
. 'P"` `
- P
`'
,' r
, ' 136 . 11,9 1*3 . 18.5
7.0 11.3
. Orioding 4 Sanding Beaehett Operator
. .B
. * * .* * . ` \
. *. */ ` ' ..'
.. 209
0.9
1*7
20.6
162 , 0.7
. 180
3.2
34 l.i
' '
- P' ' ' , .
*- .
*
. .' * ,
,
.
' .
. '
'' ,
.
'
210
148 163
. 181 33
15.9 155.5
3.5 9.6 , 3.3
1.8 111.0
2.8 4.6 2.1
' ' 185 ' 7.7
133
173 3.2
132 4.5
174 19.3
196 3.6
' 186 `
3.7
163 6.6
138 3.8
133 v *.9
160/
4.3
3.0
2.3 2.1 9.7 2.2 1,9 2.1 3,3 2.0 2.0
AA
-3-
Maraaont-Crlaaly Corp. Operation
...
Irnnlrmcr fiambio# ttippcf
Membrane Filter Flborw/ec
Sample # Total S u
Grinding & Sanding ttanehatt Operator
. 0 57 .. 0.6
Big* Grinder
P , . .
125 2.6
' 197
4.4
= 198 4.6
'' ` . Radius Crlnder
" ..
8 P
'
13
0.3 /.
16 121 _ :
2.0 '* *
Cutting Drilling-Drill Tree* 0
208 . 36
Ml
0.4 0.7 .
1*2
212 13.6
' * ,' J
.. , , tk
P' *.
*
*'
` '* * * *. * 'J . . .*
. ..'*** * * * ^
` `'
* . . * * * * #' * '. ` N /
. .v 4
' * ' * . 'j t * `
'#"
\* . *** * "
-' Prill di Counter bora ' ` . P '
,
'* *. .
117 , 119
122
124 : 182 ' 184
189 191 . 205
.
'187 ;
s;4 14.2 4.0 4.8 12.6 2.1 4,6 4.7 3.2
2.0
`-V'' '/ `
: Poneh Pr*aa ` . ' ' * * .
' ' SI . ' - 67.
P . ' . *'
.
40
O.t 0.8
1.9
. '.
52 68
100 132 '
1.0 4.7
33.2 4.3
16.6
* Po All f#r
'
' ;
.\ !
'P
* . ' '* "
- `* {* ' \ _.
. ..
* *
** .
. `" *' .
\ 176
.'
1.0 . .
*
.
177 .
159 137 170 199 114 123
6.7
2.9 . 2.3
3.6 4.8 2.3 2.4
' ` '
B A
S3 0.7 ^ 56 A
6.0
1.2 1.1 1.6
1.4
1.2
3.9 10.6 2.5 4.0 6.7 0.7 2.2 2.9
1.3
cV&:
hi 0.8
25.2 2.0
10.6
2.2
1*1 1:1 2.2 2.0 2.0 1X9
1.2
On r*MQ*=< an
v* m
r9* &e(* <> y3^ Of* -AI (gj yr*rrpsr
-a
S S r* a
5*8 o-n or**r
rrt JT
arf s*r
?*
ay? O'
a *r>
i5-f
* O'
?*
