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PROCEEDINGS of the
a*tk
EIGHTH ANNUAL MEETING
of the
AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS
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I TgS* ;* *. .
C h ic a g o , JH inoi--A p ril 7 - 13, 1 9 46
PLAINTIFFS EXHIBIT
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M T -007028
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u H g g '.'u e w ^ ] 1i'V T ' . y V 3
tWMrwrSiiiii l * hri'
U k i t o Dr. Goldman'* Committe. b u t-ra th e r to ore-
? nd * ? * * * * ' th ` ti5* C o n fer* con S I f f V * 1" 1 f < V n|f up lh w * PTM cedur. ,,
I S Stolta. <,Wma'111t0li0wi1'* * ith ,h*
Dfl. GOLDMAN: O f court*, the subject has b n dia-
iitu im ** AUtwtbi* Concmut,*nt / Air
ContamtHunU for 1946 {The value* a n eubjeet to annual revision)
f i * 1* ' 11' thiit `w h**v been cb^tned p r i o r i t y from the report of this Committee jn 1942, the rom-
e a t S i t o n ^ h a r f f *!^'*^}na.r- 4nd 1 lhink "-a* indi- ? !gai0n| AbJ , W,r,itn C`? k' ln'lu,,rt*1 M uffine. Vom"*
Committee would undertake that work also.
Standards Association Commute.
*" IIM: Any othtr discussion? The chair !* 4 Don for the acceptance of the re-
pert Oftutaic*xC.:om1 smoitmteoeveo.n Standard Methods.
*V Th* motion seconded by Mr. Wilson nut to
*BtVanti carried . . .
*
Group I. G otti arf V tpon
Ch'Ione*
i. . r ,
A*UM*hyde ........
! A C (Ppm>
Aeptie acid ...................... . Acetone ..........................
.................................. ' ' .............. 1 1
Acrolein ...................................................... ................. 5M
/ eryloRltrile ............ "' ! . ! ' ! ! ! ! ! . ......................... ,?*
^ ? c S d i S S ,M: The motion " " rrW- Th4ni< Ammoni* .............................. .............................. Amyl sc ita te ...............................................................
t h cof lnlitt1** " P ri "* have this morning is
iS44*3t **** Committee on Threshold Limits by Dr
ito-Amyl alcohol.................. A n ilin e................................................
7TM !0
Arsine ..................................... fV ettoclfr*driCk' Charm3n at thal Committee. Dr Beruene (Bentol) ......... ........................ ...................
,
Bromine ...........
100
R*port of the Sub Committee
1, 3-Bgtsdicn* .............. Butanol ........................
,nni 50??
on Threshold Limits
2, B u t a n o ................................. ' , ..................
T ^ X wnwiCK; Considerable difficulty attend* the w lit f of satisfactory values for maximal allow
able concentration# of chemicals in respirable itntoepher* because of the lack of sufficient toxi-
," 5 th* ,4clt at uniform definition 01 tft* m*xinMl allow*W* concentration concept. One
n. Butyl acetate....................................; ; ..................
putyi cellosoive carbon dioxide Carbon disulfide . . . Carbon monoxide . . .
Carbon tetrachloride ..
............ '200
.",000 20 1,0.0
Cellosolve.............................. ......................................
ne2 L U* ih*t * * M'Af * *houid represent " P0**^5* th4t concentration at
whfch * w?rk*r **P**d f a sufficient period of time will just scape physiological or organic in-
di,*t4J*- A *ond concept that the M.A.C should represent some fraction
thatconeentratioa which will Injure the worker In
Cellosolvo acetate ..........
r nn
C h lo rin e..........................
,0?
3-Cklorobutadlen* .................... ..........................
Chloroform .....................................W W ......................
1-Chloro-l-nltropropane ..........
''
Cyclo hexano ......................................` .....................
Cyclo hexanol ..................................................
Cyclo hexanono ....................
......................
...
*Jimr 4 TM4r*ia 01 **{* 7 in *** design of cycio h e x ................................................
\ J t
2 !i5? t n t *nd faard *ilnst possible e-Dichlorobenrene .................................... ..............
A thin! conetpt I . ,n th, CJ1IM.A.oCf multiple exposuXres runctfoM of the former eoncrpts and in addition pro vide * work environment free of objectionable but BMsJtiricus concentrationa of smokes, dusts, irrf * of the concept* aim* to fulfilled with the establishment of a single Value.
u"* n f , " M
a S V T S ^ A S T u i * * * * * V.Ub!i*hm' nt of dual S ? * M A C- to <* possible
.. **lUlv* list of MA.C. value is presented to
Dichloro difiuore methane. 1, 1-Dichloro ethane............
I, 2-Dfchloro ethane............ 1, 2-Dichloro ethylene.. . . . Di chlor* ethyl ether..........
Di chloro m ethane..............
Di chlwromenoduromothane t. l Cii,M(/ti"hnlii() ethane Dichlorotetratuero ethane . Dlmethylanlllee ....................
D lm etkylnlfate .................. Dloxaiut .................................. Ethyl a c e t a te ........................ Ethyl alcohol ...................... Ethyl b e n se iw ..........................
. 10.000
... 100 .. 100
.. 200 . . 15 . . 500
..5000
10
.10.000
6 .. 1
.. EOO .. too
' n000
wUh th# dtanit*hwatandiM: that It he subject to anneal mritiee.
Valnes have been compiled from the list reported to ? 4 ** 5tb ****** meeting of the
Ethyl bromide .......................... ! ................................
Ethyl ehlorMo ................
.................................
Ethyleuo chlerhydrin ............ ........................
-thylono dkhloride--e i, y-Dichioroethine
50i000 10
th* Iirt PuWished by W am n Ethylene oxide ....................
iS is s r w ^ lejn*;
,4- * " * ***
Ethyl e t h e r .................................. . . . . ............ Ethyl formate ..................... ...........................
100 too
J a a s s a ftiia i"
*
i* erJTeTni
y u t ? * ny of <h* values have been by m4mb<,M of ,h* conference for *ev-
Ethyl e lllc a t* ..................
P ftoe--u * dkhloro difiuro methane Eormaidohyde .................................. Caeoien* .............................. ............................. Heptane ........................ .....................................
200 100
in
000
500
`
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M T -007029
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i'i
M. *7 i *:- V
i x .
*t i t .,4(.........t .n m .
IM
H ydro* ehkrfd ........................................ " X " "
Sulphuric n i l ..................................
..
H i d * cyanide .................................................... % Hydro** fluoride .......................................
Hydfeg* totenfd* ....................................... .'. `.!!! Hydr*** su lfid e.................................................... lM|ArM-
......................
jo
,
-aT0.1 u I*
Tflierinm ..................................... " i . ' " ! ! . ' ! . " * "
TSTHuriecnhhlereearitodtrn*taupelianimethea..l....e...r...*....................................................................................................................................................... Gra*P lit. Mineral C u u
0*.?01 15 t
14
Methyl. aretot* .................................................... , 10<)
Methyl b ro m id e................. ........................
'm
3M2e&thyfl,*t*n*2M3*l**............................................... *jjm8
Metbyk'eeliosetve acetate............................
I*
Methyl Merid# .....................................................'. 2M
..................................................* A**
Methyl, eyet* hexaaol ....................
jq*
ketone .............................................. IQ*
HCttkyt' lawhety) keton........................................... 200
Men* chi*** benxene.............
to
trkhJora m ethane.............. ......... j* on*
Mcoewitro to lu en ...........................
*" `
W artt* . (coal t a r ) ..................................... '. . `. 100400
..................................... 500
Witt* h e w n * ............................................................ 5
, t ****J.................... *............................... . 200
#xWfi (other then nitrout Goxlide).........* 22S*
Mitrogfyeeriiie NHrtnutluuw O ctrn ....... Ctcse .......... Fenton* . . . . PtniVMM (methyl prepaneoe)........................ .
0J
200 500
1
52000*0
PPer*c*h*letma*e.t.h.y.l.f.n..e.--..m...*..t..t.r..c.h.k..r.o..e.th..>.*.i..M.. ;....... j
PhWpWn# .. .. . .................................................... 1
Phwphonie trichloride.......................................... n*
j*e*Fre**nel ...................................................
400
Frapyl t n u u ......................
***
AJundwm .............................. Aihutee ............................... CarSorundam .................... " Fertland cement .................... Mkn (hetew *% free alltee)...............
....... 50 I
50
50
HuJtuee (ne free lea)..................... ! ........... Tk
SiHee--H irt (eheee 50 free 3iOt) .......... .. '`' *
SUca-Nedlem (U0% free SiO,).............
Sllkn--Lew (helew * ) ............... . Slate--(helear 5 free SfO,)........... Seapxtene (helew 5 free SIO.)....... Tetol d..u..e.t...(.b..e.l.e..w...S..%....f.r.e..e...S..I.O.....)..........
' 50
50 50
20 50
Creep tV. Xadi*ti*nt
Materiel *rXedietie*
Radiaxt Entrgy
Bade* or theren fax X of Gamma Radirtiaa
. 10-' Cmrlet/M*
0.1 Itomtfan per t Sr. day
.. CHAIRMAN UtX-X--M--: Thenlt you, Dr. Fredrick. 1 there *ay comment? If not, the chair will entertain a motion regarding that report
* ' * j? ?* two^ed and seconded that the report be accepted. The motion was put to a vote and carried. . .
CfUIXMAN U t j i a : The motion I* carried. Thank you. Dr. Fredrick.
Id MOWN' Mr. Chairman, In order to provide now for the eorutderation of the report of the Committee oa Industrial Byglcae Codes. I move that that report
now be taken from the table for consideration. The report wag tabled pending presentation of the report of the Committee on Threshold Limits.
. . . Seconded by Mr. Wilson . . .
*3 Chairman sarkm: Is there any discussion?
Stoddard **1ent ...................
500
Styrene saeoemer .................
jaa
Sulphur chleride .....................................
' ** 1
Sulphur dftxldo......................................................... ^
1 L *, X^Tetra chloraethan................................' i
T<rtWi chief ethylene............................................ 200
Da. GWNivao: I wonder if the limits set forth by the Committee on Codes were transmitted to that Committee from the Committee oa Threshold Limits?
Da. m pR tcx: Ni they were not.These committees were not !* communication. I regret there seems to be some everiapping In the fields of acthrity.
.....................................................................
M*. ULCOMratai Mr. Chairman, I would like to
........ *............................................ i
v rl? r* y * ' .....................................................
10#
v .rf* at#*
so*
make a suggestion for the sake of saving time and expediting the meeting; since w# want te go into Exec* utivo Seaiiow MWn to transact Important business. I suggest that the ThresheM Limits and Industrial Hy-
gieoe Code be emitted and we consider the report
tjU IW to D m **, FSmm* and Mfct* ; ariumpwwside (as i d .......... ........................
Mg/M* M
Chiere d* phenyt . ...................................................... 100.1
without those limits. De you think that would be *#[** able to Mr. Boxed and year Committee? There is an ovtrlappinjfc and t am not sure that both report limits are in agreement. That fs my sergettien.
ChranHe-wld and chrewrtoa (* CrtO.)................. 04
Mlt aaoWMs I peraonsiiy agree, Mr. Bloomfield, but
S g s* * ...................................... Dtohretetoe*.................................... . .......
rfueride* (a* F ) .................................................... ' fid h * .... ... Ire*estd tm m ............................................... W ii j tVe^Mte Mi 44Mr,, . I t ......... MagiteefaiM Mid* feme.................. . .
re try ................................................................... ftnuchleeeMpht Selene ...........................................
** *x
0.1 II 0.U II
a pj
la order te consider that, I think the report ought to be brooght beck te the Conference. It can`t actually be tonsldertd antit it is before the Conference. At that time that paint should be taken u
CMAIRMAN SiXHM: The motion to bring off the table Is now before the medting.
MIHIm particles pet eekte fo*< #f air, standard l>cM Id CMIAL
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