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XXCSBPSS TKU 1HS IBIXJSXBXAXr HKrXSSB CODES OR EECQU.ZZOHS
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PLIED APRIL, 1949 . ______________ _
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Illumination. (giection 15)
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Seeing tasks requiring discrimination of fine detail under conditions of fair l /
contrast and where the nature of the work is very exacting and prolonged hallj^9 ^
be provided with a minimum, of 100 foot-candles of illumination*
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.2 Similar seeing tasks voider conditions of moderate oontrast should be provided \
with a ndnirntxar of 50 foot-oandles of lllamination*
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3 Seeing tasks requiring moderate di scrimination of detail over intermittent \rf/t
periods of time under conditions of normal contrast should be provided 'Kith *
m<w4muni of 20 foot-candles of illumination*
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Casual seeing tasks not involving discrimination of fine details should be pro-) vided with a minimum of 10 foot-candies of Illumination*
Ventilation and Temperature Requirements (Section 16)
1 Outside air should be provided to all workrooms at the rate of 15 oiibio feet per minute per person, or l-l/2 air changes per hour, 'whichever is greater*
2* Workers should not bo subjected to air velocities exceeding 200 feet per minute,
3. In work rooms whore strenuous work is performed, the tv;wm *i- temperature ' should be 60 ?*
4 In all other workrooms, unless prohibited bj process requirements, minimum sir pressure should be 6EP F T *
Sanitation (Section 20)
1, Every place of employment shall be provided- -with adequate toilet facilities
(-water closets)* conveniently located and.' separate for each, sex according to the followingi
1 to 9 employees 10 to 24 " 25 to 49 * SO to 74 75 to 100 Over 100
1 facility 2 facilities 3 facilities 4 facilities 5 tacilities 1 additional facility for
each additional 30 employees
* Where the -installation of a water-oarrlag* sewerage system may bo impracticable, the authority nay deeignate another type of toilet facility approved by the public)- health agency having jurisdiction*
PLAINTIFF'S EXHIBIT
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(Urinala instead of water closets for male employes* my be substituted in a ratio of not mors than one-third urinals in the above minimum facility schedule).
2. Every place of employment shall be provided Kith adequate Trashing facilities in the ratio of one lavatory (or equivalent wash plaoe) for each 10 employees up to 100 persons and one lavatory (-trash place) for each additional 15 persons* Each lavatory (wash plaoe) shall be provided Kith soap and hot and cold running Kater*
3. A minimum of one shotror bath with ample supply of hot and cold water from one fixture shall be provided for every 15 employees or fraction thereof exposed to excessive heat, or to skin contamination Kith poisonous, infectious, or irritating material.
Service Facilities (Section 21)
1* Kb.ere 10 or more women are employed at any one time, at least one retiring room for their exclusive use shall be provided.
2. There less than 10 women are employed and a retiring room is not furnished, smg equivalent space shall be provided which o&n be properly screened and mads suit able for the use of women employees. .
5. The minimum space provided for a retiring room for 10 -women shall be SO square feet. The minimus inoro&sed space for more shall be at least 2 square feet for each additional women employed.
4. At least one couch or bed shall be provided in every plaoe -where more than 10 Yemen are mployod. The number of such beds or couches required shall be as followsi 10 to 100 women, one bed; 100 to 250 woman, two beds; and ono addi tional bad for each additional 250 women employed.
Values Recommended, by the Committee on threshold Limits at Eleventh Annual Meeting of the American Conference of Governmental Industrial Eygienists, April 1950. .
GASES AMD VAPORS
SUBSTANCE
P.P.li.
SUBSTANCE
P.P.M.,
Acetaldehyde Acetio Aoid
Aoetie anhydride Acetone Acrolein Acrylonitrile Armenia Aa^yl acetate Ieoemyl alcohol Aniline Arsine
200
10 5
500
o.s
20 100 200 100
5 0.05
Bens one (benzol) Bromine lt 3-Butadiene
n-Butaaol 2-Butanona nButyl acetate Butyl cello solve Carbon dioxide Carbon disulfide Carbon monoxide Carbon tetrachloride
35 1
1000 100
250 200 200 5000
20 100
50
r(
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SUBSXUKS
Cello lve Cello solve acetate Chlorine Chlorobenzene 2-Oiloro'butadiana Chloroform 1-Chloro-l-nitropropun* Cyclohexane Cyclohexane1 Cyclohexanone Cyclohexene Cyclopropane (propone) o-Dichlorobenzene Di.ohloro difl uoronthane 1,1-Dichloroethane 1, 2-Dichloroethane (ethylene
di chloride) 112-Dichloro ethyl ene DLchloraethyl ether Dichlo roaethane................... . Dichlorcmonofluoromethene
1, l~Di ehloro-l-nitroethane 1, 2-Dichloropropane (ppopylene
dichloride) Diohloro tetrafluoro ethane Dimcthylaniline Dimethyl sulfate Dioxane Ethyl acetate Ethyl alcohol Ethyl benzene Ethyl bromide Ethyl chloride Ethylene ehlojrohydrin Ethylene oxide Ethyl ether Ethyl formate Ethyl eilioate Fluo rotrichloromethane Fo maldcfayde Caseline Heptane Hexane Hydrogen chloride Hydrogen cyanide Hydrogen fluoride Hydrogen aelenida Hydrogen trulfide Iodlns Isophrene
P.*jJC.
200 100
1 75 25 100 20 400 100 100 400 '400 .50 1000 100
75 200
15 500 1000
10
75 1000
5 1 100 400 1000 200 200 1000 5 100 400 100 100 1000 5 500 500 500 5 10 3 0.0S 20 1 25
SOBSTUCE
Mesityl oxide Methanol
Methyl acetate Methyl bromide Methyl but*none M.ethyl cello solve Methyl eellosolve acetate Methyl chloride
Methylcyclohexane Methyl oycl ohexano 1 Methylcyclohexanone Methyl formate Methyl iso -butyl ketone Naphtha (coal tar) Naphtha (petroleum)
Nickel carbonyl Nitrobenzene Nitreethane Nitrogen oxides (other than
Nitroglycerin
V
Nitromethane
2-Nitropropano
Nitrotoluene
Ootane
Ozone
Pentane
Pentanone (methyl propaaona) Rio sgene
Phosphine
Phosphorus trichloride
Isopropyl aloohol
Propyl acetate
Isopropyl ether
Stibine
Stoddard solvent
Styrene monomer
Sulfur ohloride
Sulfur dioxide
1*1,2,2- Tetrachloro ethane
Tetrachlo roethyl one
Iblueno
Toluidine
Trichloro ethylene
Turpentine
Vinyl chloride
Xylene
P*PH.
50 200 . 200
20 100
25 25 100 600 100 100 100 100 200 600
1 1 100
25 0,5 100
60 S
500 l
1000 200 1
0..05 Q.5
400 200 500 0.1 500 200
1 10
5 100 200
6 100 100 500 200
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TOUO DUSTS, FCMBS AND MISTS..'
SUBSSiLHCK
Antimony
Arsenlo
Barium '
Odmiunt
Olio rodiphenyl
Quromie acid' and ebroaate*.
a*' CTOS
i: 1
Cyanide as Of
Dinitro toluene
0-DLnitqro or0eo1
fluoride
Iron, oxide fume
Lead
Magnesium oxide fume
Ue. per Cu.- M. . SUBSTANCE
0.6 6*6 0.5 0.1 1
0.1 5 1.5 . 0.2 2.5 15 0,15 IB
Manganese Mercury Pentaehloronaphthal eae Paatadalorophenol
Phosphorus (yellow) ' Pho sphorus -'pentachloride Phosphorus pentaaulfide Selenium, ae So Sulfuric acid Tellurium
Tetryl Trichloronaphthalene
Trinitrotoluene Zinc oxide fume
Mg. - per Cu. M.
6 0.1 . 0,5 0.5 0,1 1 1 0.1 1,0 0.1 l.S 5 1.5 15
MINERAL DUSTS
SOBSTANCE
U.P*P?C,f.
Alundum Aabeeto s
Carborundum Dust (nuisance* no free silica) Mica (below 6# free eilioa) Portland .caaaxat
50 5
60 50 60 60
SOB STANCE
M.P.P.CJ?,
Talc Silica
high (above SO# free Si0p)
modiua (5 to SO# free Sl0oc)
20
5 20
low (below 5# free SiO 9) Sl&te (below 5# free SiO,,)
Soaprtoue ('below 5# free 810 3)
Tbtal dust (below 5# free S10 )
60 60 20 SO
RADIATIONS
MATERIAL OB. EADIAHDH
MATERIAL 02 RA.DI4.TlQH
Qaa&a (roentgens per week)
0,5
Radon (curie* per cubic tfmtmr) 10-8
Thoron (curie* per outdo meter) 10-8
Roentgen ray (roentgen* per week) 0.5
Safety Cosnittee Obited States Steel Company Re search and Development laboratory
July 2> 1952