Document 4J70ye06dMaqj5492Lm80nExp
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TABLE I: New PELs vs. Current TLVs
CAUTION:
This table is useful to you only if your plant has been practicing industrial hygiene in accordance with existing TLVs. It is not a comprehensive list of all the changes made when OSHA published their new PEL standard.
CHEMICAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
Acrylic Acid AGE
Alumina
Ammonia
Ammonium Sulfamate
Ansidine Barium Sulfate?
Benomyl
Beryllium
Bismuth Telluride
Borates
Boron Oxide
10 ppm TWA "skin"
5 ppm TWA 10 ppm STEL
10 mg/m3 total dust 5 mg/m3 resp. dust
35 ppm STEL
10 mg/m3 total dust 5 mg/m3 resp. dust
0.5 mg/m3 TWA
10 mg/m3 total dust 5 mg/m3 resp. dust
10 mg/m3 total dust 5 mg/m3 resp. dust
0.002 ppm TWA 0.005 ppm STEL (30) 0.025 ppm Ceiling
15 mg/m3 total dust 5 mg/m3 resp. dust
10 mg/m3 TWA
10 mg/m3 total dust 5 mg/m3 resp. dust
Added "skin" notation
Deleted "skin" notation
Added "respirable" std.
TLV?:iSs3^pp- TWA , %Jo current TLV-STEL. Added "respirable" std.
Deleted "skin" notation Added "respirable" std.
Added "respirable" std.
Added STEL and Ceiling limits.
Added "respirable" std. TLV-TWA more stringent (10 mg/m3). Existing TLVs more strin gent (1 or 5 mg/m3). Added "respirable" std.
HWBUI0011689
CHEMICAL Calcium
Carbonate
Calcium Oxide
Calcium Silicate
Calcium Sulfate
Captafol Carbon Dioxide
NEW PEL
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HOW NEW PEL DIFFERS FROM EXISTING TLV
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable'' std. TLV-TWA more stringent (10 mg/m3)
5 mg/m3 TWA
Existing TLV still more stringent (2 mg/m3)
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
0.1 mg/m3 TWA
Deleted "skin" notation
10.000 ppm TWA 30.000 ppm STEL
Existing TLV-TWA still more stringent (5,000 ppm)
Carbon Disulfide
.'
Carbon Tetra chloride
Catechol Cellulose
Chlorine
Chloroform 2-Chloro-6-tri
chloromethyl pyridine Chromium metal
Chromic Acid & chromates
Clopidol -
4 ppm TWA 12 ppm STEL, skin 35 ppm TWA 200 ppm Ceiling 2 ppm TWA
5 ppm TWA, skin 15 mg/m3 total dust
5 mg/m3 resp. dust
0.5 ppm TWA 1 ppm STEL
2 ppm TWA 15 mg/m3 total dust
5 mg/m3 resp. dust
1 mg/m3 TWA
0.1 ppm Ceiling
15 mg/m3 total dust 5 mg/m3 resp. dust
Lowered TLV. Added STEL.
Lowered TLV-TWA. Deleted STEL. Added Ceiling.
Lowered TLV from 5 ppm. Deleted "skin" notation.
Added "skin" notation.
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Lowers existing TLV, but will agree w/ "intended" TLV changes.
Lowered TLV from 10 ppm.
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Existing TLV still more stringent (0.5 mg/m3)
Existing TLV for Cr(VI) water Sol0.05 mg/m3 TWA. Equivalent to 0.01 ppm Chromic Acid
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
*
HWBUI0011690
CHEMICAL
NEW PEL
HOW NEW PEI, DIFFERS FROM EXISTING TLV
Copper fume
0.1 mg/m3 TWA
Crag Herbicide 10 mg/m3 total dust 5 mg/m3 resp. dust
Cyanides
5 mg/m3 TWA
DDT
1 mg/m3 TWA
1,1-dichloroethane
100 ppm TWA
Dicyclopentadienyl iron
10 mg/m3 total dust 5 mg/m3 resp. dust
Diethylenetriamine
1 ppm TWA
Dipropylenefeg&ycol methyl ethejT'-
100 ppm TWA 150 ppm STEL
Disulfoton
0.1 mg/m3 TWA
Emery
10 mg/m3 total dust 5 mg/m3 resp. dust
Ethylene Dichloride
1 ppm TWA 2 ppm STEL
Ethylene glycol 0.1 mg/m3 STEL
Dinitrate
skin
Ferbam
10 mg/m3 total dust 5 mg/m3 resp. dust
Fluorine
0.1 ppm TWA
Formamide
20 ppm TWA
Glycerin Grain Dust
10 mg/m3 total dust 5 mg/m3 resp. dust
10 mg/m3 TWA 30 ppm STEL
Lowered TLV from 0.2 mg/m3 Added "respirable" std,
Deleted "skin" notation. Added "skin" notation. Lowered TLV from 200 ppm. Deleted STEL Added "respirable" std.
Deleted "skin" notation.
Deleted "skin" notation,
Added "skin" notation. Added "respirable" std.
Lowered TWA from 10 ppm Added STEl Deleted TLV-TWA of 0.05 Added STEL Added "respirable" std.
Lowered TLV-TWA from 1 ppm. Deleted STEL. Existing TLV more stringent (10 ppm) Deleted "skin". Added "respirable" std.
Existing TLV more stringent (4 mg/m3)
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CHEMICAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
#s@;eaph#tsW| syn
10 mg/m3 total dust Added "respirable" std. 5 mg/m3 resp.dust
Gypsum
15 mg/m3 5 mg/m3
total dust resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Hexachlorobutadiene
0.02 ppm TWA
Deleted "skin" notation.
Hexachloroethane
1 ppm TWA, skin
Same as "intended" TLV. Added "skin" notation.
Hydrogen Cyanide
4.7 ppm STEL, skin
TLV is 10 ppm Ceiling.
Hydrogen Fluoride
3 ppm TWA 6 ppm STEL
Added STEL and TWA . Existing TLV is 3 ppm Ceiling.
Iron Oxide
10 mg/m3 TWA
TLV is more stringent (5 mg/m3)
Isophorone
4 ppm TWA
TLV is a Ceiling limit of 5 ppm.
Isopropyl Ether
500 ppm TWA
TLV more stringent (250 ppm)
Kaolin
10 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std.
Magnesite
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Fume
10 mg/m3 total dust Added "respirable" std. 5 mg/m3 resp. dust
Malathion
10 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std.
Mn Cmpds (dust) 5 mg/m3 Ceiling
TLV is TWA, not Ceiling.
Manganese Tetraoxide
1 mg/m3 TWA
No previous TLV
Mercury (aryl and Inorg.
0.1 mg/m3 Ceiling skin
TLV is TWA, not Ceiling,
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CHEMICAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
Methacrylic Acid
20 ppm TWA, skin
Methoxychlor
10 mg/m3 total dust 5 mg/m3 resp. dust
Methyl amyl ketone
100 ppm TWA
MBOCA
0.02 ppm TWA
Methylene biscyclohexyliso cyanate
0.01 ppm Ceiling
5 mg/m3 Ceiling
MDI
0.02 ppm Ceiling
Molybdenum insol.
10 mg/m3 total dust 5 mg/m3 resp. dust
Monomethylaniline
0.5 ppm TWA
hco&i tar)
100 ppm TWA
Nickel Carbonyl 0.001 ppm TWA
Nitro chloro benzene
1 mg/m3 TWA, skin
Nitrogen Dioxide
1 ppm STEL
Nitroglycerin
0.1 mg/m3 STEL skin
2-Nitropropane 10 ppm TWA
Paraquat
Particulates, NOR
0.1 mg/m3 TWA
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "skin" notation.
Added "respirable" std.
TLV-TWA more stringent ' (50 ppm) Deleted "skin" notation. TLV is 0.01 ppm TWA, not C
TLV-TWA more stringent (1.5 mg/m3) Deleted TWA (0.005) Added Ceiling. Added "respirable" std.
No previous TLV
No previous TLV
Lowered TLV from 0.05 ppm. TLV-TWA more stringent (0.1 mg/m3) Lowered STEL from 5 ppm. Deleted TWA. Deleted TWA. Added STEL.
TLV was 10 ppm Ceiling, not TWA. Added "skin" notation. Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
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CHEM1CAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
Pentachloronaphthalene
0.5 mg/m3 TWA, skin
Pentaerythritol 10 mg/m3 total dust 5 mg/m3 resp. dust
Perchloroethylene
25 ppm TWA
Perlite
15 mg/m3 total dust 5 mg/m3 resp. dust
Phenyl etherBiphenyl mix
Picloram
Plaster of Paris
1 ppm TWA
10 mg/m3 total dust 5 mg/m3 resp. dust
15 mg/m3 total dust 5 mg/m3 resp. dust
Portland Cement 10 mg/m3 total dust 5 mg/m3 resp. dust
1000 ppm TWA
Propylene gly 0.05 ppm TWA col dinitrate
Rhodium metal & insol.
o.i mg/m3 twa
Rhodium, sol.
0.001 mg/m3 TWA
Rouge
10 mg/m3 total dust 5 mg/m3 resp. dust
Silica - amorph 6 mg/m3 TWA ppt,gel
Silica - diato- 6 mg/m3 TWA maceous earth
Silica - cry stalline
Varies: 0.05 - 0.1 mg/m3
Added "skin" notation.
Added "respirable" std.
Lowered TLV from 50 ppm Deleted STEL Added "respirable" std. TLV-TWA more stringent (10 mg/m3) No previous TLV
Added "respirable" std.
Added "respirable" std. TLV-TWA more stringent (10 mg/m3) Added "respirable" std.
No previous TLV. Consid ered simple asphyxiant. Deleted "skin" notation
Lowered TLV from 1 mg/m3
Lowered TLV from 0.01. Added "respirable" std.
Lowered TLV from 10 mg/m3
Lowered TLV from 10 mg/m3
Deleted old silica "formulas"
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CHEMICAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
Silicon Carbide 15 mg/m3 total dust Added "respirable" std. 5 mg/m3 resp. dust
Silver metal, dust, fume
0.01 mg/m3 TWA
Lowered TLV from 0.1 (metal)
Sodium Azide
0.1 ppm Ceiling, skin
Added "skin" notation
Starch
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Sucrose
15 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std. TLV-TWA more stringent (10 mg/m3)
Temephos
10 mg/m3 total dust 5 mg/m3 resp. dust
Added "respirable" std.
Tetrachloronapthalene
2 mg/m3 TWA, skin
Added "skin" notation.
Tetraethyl lead
0.075 mg/m3 TWA, skin
Lowered TLV from 0.1 mg/m3
Tetramethyllead
0.075 mg/m3 TWA skin
Lowered TLV from 0.15.
Tetryl
0.1 mg/m3 TWA, skin
Lowered TLV from 1.5 mg/m3 Added "skin" notation.
Thiobis
10 mg/m3 5 mg/m3
totaldust Added "respirable" std. resp.dust
Titanium Dioxide
10 mg/m3 5 mg/m3
totaldust Added "respirable" std. resp.dust
o-Toluidine
5 ppm TWA, skin
TLV-TWA more stringent. (2 ppm)
Uranium, sol
i.
Vegie Oil Mist
0.05 mg/m3 TWA
Lowered TLV from 0.2 mg/m3
15 mg/m3 5 mg/m3
totaldust resp.dust
Added "respirable" std. TLV-TWA more stringent.
(10 mg/m3)
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CHEMICAL
NEW PEL
HOW NEW PEL DIFFERS FROM EXISTING TLV
Vinylidene Chloride
Wood Dust
ZfhferChromate
******
Zinc Stearate
1 ppm TWA
Varies: 2.5 - 5 mg/m3 TWA
0.1 mg/m3 Ceiling
10 mg/m3 total dust 5 mg/m3 resp. dust
10 mg/m3 total dust 5 mg/m3 resp. dust
Lowered TLV from 5 ppm. Deleted STEL. Varies
TLV-TWA more stringent. (0.01 mg/m3) Added "respirable" std.
Added "respirable" std.
4 A
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HWBUI0011696