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dpmc exposure guideline
S?zc,
CHBT8501101 0001.0.0
prepared by the industrial
HYGIENE DEPARTMENT APRIL 1986
LAM 013703
DPMC-14977
DPMC INDUSTRIAL HYGIENE EXPOSURE GUIDELINES JANUARY 1985
Basis
Acceptable levels of employee exposure to chemical substances have been estab lished in recent years by various regulatory and scientific groups. This in cludes the Occupational Safety and Health Administration, (OSHA); the American Conference of Governmental Industrial Hygienists, (ACGIH); and the National Institute for Occupational Safety and Health (NIOSH). Recommendations on acceptable levels of employee exposure for individual chemical substances often vary between these groups due to 1) differences in data interpretation, or 2) a review of new health hazard information not previously considered. Where existing acceptable limits of exposure are determined to be inadequate. Shell may establish a Shell Internal Limit, for example, epichlorohydrin.
To provide an updated listing of recommended acceptable limits of employee exposure, the attached summary of "DPMC Exposure Guidelines" was prepared.
DPMC Exposure Guidelines represent target control levels for employee protec tion. At the minimum, precautionary workpractices, respiratory protection and where indicated protective clothing should be used to reduce exposure to or below the DPMC Exposure Guideline. For many chemical substances, two guide lines have been set 1) a short term @ 15 minutes and 2) an 8 hour TWA.
DPMC Exposure Guidelines reflect reasonably current health hazard and toxico logical information and will be updated annually. DPMC Exposure Guidelines are as strict as those established by OSHA and Incorporate Shell Internal Limits where these have been established. Guidelines have been established for those substances with greater exposure potential or in more frequent use.
Respiratory Protection
For each DPMC Exposure Guideline listed, the minimum type of respiratory protection recommended for use has been identified. Respirators affording a higher level of protection may be used if determined to be appropriate, e.g. a full-face mask may be used to avoid eye irritation instead of a half facepiece; an air supplied respirator may be used instead of a cartridge respirator, etc.
Protective Clothing
LAM 013704
L"
Certain chemical substances have the capacity to cause a toxic effect by being absorbed through the skin. This may occur with or without any local skin effect (reddening, rash, burn, etc). Of those substances which -can be absorbed, the capacity or rate in which absorption will occur may vary signi ficantly (slightly, moderately, readily absorbed). Each chemical substance reported to have this capacity has been identified on the listing of DPMC
CHBT8501101
0002.0.0
DPMC-14978
Exposure Guidelines. It is generally recommended that uncontaminated PVC
gloves be used for protection against chemical substances which may be absorbed
through the skin.
-
CHBT8501101 0003.0.0
LAM 013705
DPMC-14979
A.C.G.IH.
A.M. Cartridge E.N.T. Health Data and Comments mg/m3 NIOSH
O.V. Cartridge ppm STEL
Suspect Embryo fetus hazard Type N Canister TWA 3M 9900 3M 9920 I.D.L.R.
CKBT8501101 0004.0.0
ABBREVIATIONS USED
American Conference of Governmental Industrial Hygienists - A professional standard setting organization.
Ammonia Respirator Cartridge
Eyes, Nose and Throat.
Basic information concerning known toxicity is pre sented without regard to exposure level, frequency of exposure required to cause health effect, etc.
Milligram dust per cubic meter of air (weight/volume).
The National Institute for Occupational Safety and Health. This is the research branch of OSHA located under H.E.W.
Organic Vapor Cartridge - Black in color.
Parts Per Million (Volume/Volume) - Usually used for gases and vapors.
Short Term Exposure Limit - Generally referred to as the upper exposure level allowed over a short duration.
Toxicity information and exposures to this chemical are currently being reviewed; has not yet been cate gorized under the Shell Embryo-Fetus Hazard Program.
Red canister suitable for carbon monoxide
Time-Weighted Average - The usual term referred to for 8 hour exposures.
Disposable 3M paper respirator which is suitable for some dusts.
Disposable 3M welding fume respirator which is suit able for some fumes and welding circumstances
Immediately Dangerous to Life or Health - maximum con centration which would permit escape within a 30 minute period.
LAM 013706
DPMC-14980
TABLE OF CONTENTS
CHEMICAL Acetone .......................... . Acetonitrile ................ Acetophenone ................ Acrolein ........................ . Allyl Chloride .......... Allyl Glycidyl Ether Aluminum Metal Dust Aluminum Metal Fumes Ammonia ............................. Aniline ............................. Asbestos .......................... Asphalt Fumes ............
PAGE NO. 9 9 9 9
10 10 10 10 10 10 10 11
Benzene ...................................................................................................................................................... Bisphenol A (BPA) .............................................................................................................................. 1,3 Butadiene ......................................................................................................................................... Butane ........................................................................................................................................................ n-Butyl Alcohol ................................................................................................................................... n-Butyl Glycidyl Ether ................................................................................................................... sec-Butyl Alcohol .............................................................................................................................. tert-Butyl Alcohol ............................................................................................................................ Butyl Oxitol.............................................................................................................
11 11 11 11 11 12 12 12 17
Cadmium Oxide Fume ............................................................................................................................ Carbon Disulfide ................................................................................................................................. Carbon Monoxide ................................................................................................................................... Carbon Tetrachloride .......................................................................................................................... Catalyst Dust ........................................................................................................................................ Chlorine .................................................................................................................................................... Chloroform ...............................................................................................................................................
12 12 12 13 13 13 13
CHBT8501101 0005.0.0
LAW1 013707
DPMC-14981
CHEMICAL
PAGE NO.
Chromium Fume .......................................................................................................................................
Coal Tar Pitch ......................................................................................................................................
Cobalt Fume or Dust ..........................................................................................................................
Copper Dust .............................................................................................................................................
Copper Fume ............................................................................................................................................
Cresol .........................................................................................................................................................
Cumene
........................................................................................................................................................
Curing Agent 1 ......................................... ............................................................................................
Cyclohexane ............................................................................................................................................
1,3 Cyclopentadiene ...........................................................................................................................
Cellosolve Acetate...............................................................................................................................
13 13 13 14 14 14 14 14 14 14 14
Diacetone Alcohol .............................................................................................................................. 1,3 Dichloropropene ........................................................................................................................... Dicyclopentadiene .............................................................................................................................. Diethanolamine ..................................................................................................................................... Diethylamine .......................................................................................................................................... Diethylenetriamine ............................................................................................................................ Diglycidyl Ether .................................................................................................................................
15 15 15 15 15 15 15
Ethanolamine .......................................................................................................................................... Epichlorohydrin ................................................................................................................................... Ethyl Alcohol .................................................................................................................. .................... Ethyl Benzene ............................... ................................................. ..................................................... Ethyl Chloride ..................................................................................................................................... Ethylene Dichloride ......................................................................................................................... Ethylene Dibromide.............................................................................................................................. Ethylene Glycol m-Butyl Ether ................................................................................................ Ethylene Glycol m-Ethyl Ether ................................................................................................. Ethylene Glycol m-Methyl Ether .............................................................................................. Ethylene Glycol Vapor ....................................................................................................................
16 16 16 16 16 16 17 17 17 17 17
Gasoline (Bulk Handling) .............................................................................................................
17
CHBT8501101 0006.0.0
LAM 013708
DPMC-14982
CHEMICAL
PAGE NO.
n-Heptane ................................................................................................................................................. n-Hexane .............................................................................................................. .....................................
17 18
Hydrazine .................................................................................................................................................. Hydrogen Chloride ............................................................................................................................. Hydrogen Sulfide ................................................................................................................................ Hydroquinone ..........................................................................................................................................
18 18 18 18
Inorganic Lead ....................................................................................................................................... Iron Oxide ............................................................................................................................................... Isoprene ..................................................................................................................... .............................. Isobutyl Alcohol................................................................................................................................... Isopropyl Alcohol ............................................................................................................................... Isopropyl Ether ....................................................................................................................................
18 19 19 19 19 19
Magnesium Oxide Eume(as Mg) ........................................................................................................ 19 Manganese (as Mn) Fume orDust ................................................................................................... 19 Mercury ...................................................................................................................................................... 20 Mesityl Oxide ........................................................................................................................................ 20 Methacrylic Acid .................................................................. ............................................................. 20 Methanol .................................................................................................................................................... 20 Methyl Ethyl Ketone ......................................................................................................................... 20 Methyl Isobutyl Carbinol ............................................................................................................. 20 Methyl Ifeobutyl Ketone .................................................................................................................. 20 Methyl Mercaptan ................................................................................................................................. 20 Methyl Oxitol - SeeEthylene Glycol MME ............................................................................. 17 Methylene Dianiline (MDA) ......................................................................................................... 14 Molybdenum (as Mo)Soluble .............................................................................................................. 21 (Alpha) Methyl Styrene ..................................................... ........................................................... 21
Naphthalene ............................................................................................................................................ 21 Nickel Subsulfide....................................................................................................................................... 21
CHBT8501101 0007.0.0
LAM 013709
DPMC-14983
CHEMICAL
PAGE NO.
Nickel Oxide............................................................................................................................................ Nickel Chloride..................................................................................................................................... Nickel Carbonyl (as Ni) ................................................................................................................
21 21 21
Organic Lead ........................................................... Ozone ...........................................................................................................................................................
21 22
para-Benzoquinone .............................................................................................................................. Pentane ...................................................................................................................................................... Phenol ........................................................................................................................................................ Phenyl Glycidyl Ether .....................................................................................................................
22 22 22 22
Sulfur Dioxide ..................................................................................................................................... Sulfuric Acid Mist ............................................................................................................................ Styrene, Monomer .................................................................................................................................
22 22 23
Teflon (FEP) Welding Fumes ......................................................................................................... Titanium Fume/Dust ............................................................................................................................ Toluene ...................................................................................................................................................... Total Nuisance Dust ......................................................................................................................... 1,1,1 Trichloroethane....................................................................................................................... Trichloroethylene .............................................................................................................................. 1,2,3 Trichloropropane .................................................................................................................... TrimethylAmine .....................................................................................................................................
23 23 23 23 23 23 24 24
Vanadium (Fume) ................................................................................................................................... Vinyl Chloride Monomer ..................................................................................................................
24 24
Welding Fume .......................................................................................................................................... Wood Dust.......................................................................................................... Xylene ........................................................................................................................................................ Zinc Oxide Fume ...................................................................................................................................
24 24 25 25
CHBT8501101
0008-O-0
LAM 013710
DPMC-14984
9
SUBSTANCE A Section Acetone
Acetonitrile
Acetophenone (Phenyl Methyl Ketone)
Acrolein
DPMC EXPOSURE GUIDELINES
DPMC GUIDELINES
MINIMUM RESPIRATOR
TWA_________ STEL
UNITS__________ SELECTION
(Requirements)
HEALTH DATA AND COMMENTS
1000.0 1000.0
ppm
40.0
60.0
ppm
None Available
0.1 0.3 ppm
Above 750 ppm & up to 2000 ppm half-face mask w/black dual organic vapor cartridge.
Above 40 ppm & up to 400 ppm half-face mask w/yellow dual O.V. acid gas cartridge.
Full facepiece mask w/dual black O.V. cartridges for anti cipated exposure to vapors of heated material.
Above 0.1 ppm & up to 1 ppm full-face mask w/dual O.V. black cartridges.
Mild ENT irritant at cone, below 1000 ppm; may be narcosis producing above 1000 ppm. Odor threshold 13-100 ppm.
Colorless liquid. Acute toxicity due to cyanide, ether like odor detected 40-170 ppm. Skin ab sorption possible. Possible respiratory tract effects. Hydrogen cyanide gas may be formed in a fire.
Skin irritation, mild burns and transient eye injury possible. Persis tent pleasant sweet, almond odor color less liquid. Low acute toxicity but potentially narcotic at high concentra tions. Odor detec tion less than 1 ppm.
Vapors extremely irritating at 0.3-1.0 ppm. Skin absorption possible.
CHBT8501101 0009.0.0
LAM 013711
DPMC-14985
10
DPMC EXPOSURE GUIDELINES
SUBSTANCE A Section (Cont'd.)
DPMC GUIDELINES TWA STEL UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
HEALTH DATA AND COMMENTS
Allyl Chloride
1.0
2.0
ppm
Above 1 ppm & up to
Unpleasant pungent
50 ppm half-face mask
odor. Odor detected
w/dual O.V. black
at 0.2 ppm.
cartridge.
Possible liver and
kidney effects.
Allyl Glycidyl Ether
Aluminuin Metal Dust
.minum Metal Fumes
5.0 10.0
5.0
10.0
ppm
3
mg/m
3
mg/m
Above 5 ppm & up to 50 ppm half-face mask w/black dual O.V. cartridge.
Disposable 3M 9920 mask for operations which may exceed 10 mg/m3.
Disposable 3M 9920 mask for operations which may exceed 10 mg/m3.
Skin absorption possible. Eye, nose, throat & resp. irritant.
Considered an inert or nuisance dust.
Ammonia
25.0
35.0
ppm
Above 25 ppm & up to 250 ppm full-face mask w/green dual cartridge.
Odor detected 1-55 ppm; marked E.N.T. irritant; irritat ing at 50 ppm. Skin burns may occur with liquid contact.
Aniline
2.0
5.0 ppm Above 2 ppm & up to 50 ppm half-face mask w/dual O.V. black cartridge.
Skin absorption possible. Odor threshold 1.0 ppm. Causes blood effects, headaches, dizziness, etc.
Asbestos
2.0
10.0 Fibers Disposable 3M 9920 dust
Recognized lung
per cc mask for all exposure
carcinogen; may also
potential i.e. insula
cause asbestosis
tion removal, etc.
(lung scarring).
Protective clothing
also required.
lam 013712
CHBT850L101
0010.0.0
DPMC-14986
11
DPMC EXPOSURE GUIDELINES
SUBSTANCE
A Section (Cont'd.)
Asphalt Fumes (mineral pitch, petroleum pitch, mixture of poly cyclic aromatic and paraffinic hydrocarbons)
DPMC GUIDELINES
TWA
STEL UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
3
5.0
10.0
mg/m
Half-face mask w/dual
black O.V. cartridge A
dust covers for opera
tions which may exceed
5 mg/m3.
HEALTH DATA AND COMMENTS
Respiratory A skin irritant; contact can cause acne-like sores or dermatitis.
B Section Benzene
Bisphenol A(BPA) 1,3 Butadiene
n-Butyl Alcohol Butane
10.00
ppm
Above 10 ppm A up to 50 ppm half-face mask with dual O.V. black cartridge.
3
5.0
mg/m
Disposable 3M 9920
dust mask for oper
ations which may
exceed 5 mg/m3
eg. debagging,cleanup.
25.0
ppm
DPMC Guideline
Above 25 ppm A up to 500 ppm half-face mask with black O.V. cartridge.
100.0 800.0
ppm
Above 100 ppm A up to 1000 ppm half-face mask with dual O.V. black cartridges.
ppm Above 800 ppm airline respirator required.
Skin absorption possible; Suspect human carcinogen; odor threshold 2-3 ppm. Category "A" Embryo Fetus hazard.
Considered an irri tant dust; possible skin sensitization.
Moderate irritant eye, nose and throat. Narcosis producing at high concentrations. Suspect carcinogen.
Skin absorption possible; odor threshold 10 ppm; reported effect on hearing ability
Odor threshold 500 ppm.
CHBT8501101
0011.0.0
LAM 013713
DPMC-14987
12
DPMC EXPOSURE GUIDELINES
SUBSTANCE B Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL UNITS
MINIMUM RESPIRATOR
HEALTH DATA
SELECTION______________ AND COMMENTS
(Requirements)
n-Butyl Glycidyl Ether (BGE)
25.0
ppm Above 25 ppm & up to 250 ppm half-face mask w/dual O.V. black cartridges.
Sensitization possible. Alleged reproductive carcin ogen and mutagenic effects. Irritant. Odor detected at 0.02 ppm. NIOSH recommends 4 ppm ceiling limit.
sec-Butyl Alcohol
150.0
-
ppm
Above 150 ppm & up
Some irritative
to 1000 ppm half-face
and narcotic
mask w/dual O.V. black
effects. Odor
cartridges.
detected at
0.4 ppm.
tert-Butyl Alcohol 100.0 150.0 ppm Above 100 ppm & up to 1000 ppm half-face mask with dual O.V. black cartridges.
Narcotic effect (dizziness, head ache) . Odor detec ted at 0.7 ppm.
C Section Cadmium Oxide Fume
Carbon Disulfide
3 - 0.05 mg/m
0.5 15.0 ppm Shell developed guideline.
Half-face mask with efficiency filter or airline mask for all fume generating activities.
Above 0.5 ppm and up to 50 ppm full-face mask with dual O.V. cartridges (Black).
Carbon Monoxide
50.0
400.0
ppm
Air supplied respira tors or Type N red canister mask.
Kidney, lung and possible long-term chronic effect. Category "A" Embryo Fetus hazard.
Skin absorption possible. Category "A" Embryo Fetus hazard. Systemic effects possible. Odor detected .1-8.0 ppm.
Odorless chemical asphyxiant, suspect Embryo Fetus hazard.
CHBT8501101
0012.0.0
LAN1 013714
DPMC-14988
13
DPMC EXPOSURE GUIDELINES
SUBSTANCE
C Section (Cont'd.)
Carbon Tetrachloride
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
5.0 ppm
Shell developed guideline.
Above 5 ppm and up to 50 ppm O.V. Black cartridge respirator required.
Catalyst Dust (Excluding toxic metals)
Chlorine
Chloroform
10.0 1.0
50.0
- mg/m3 Disposable 3M 9920 dust mask w/goggles or fullface mask w/dual purple filter high efficiency cartridges or airline mask.
1.0 ppm Above 1 ppm & up to 25 ppm full-face mask w/orange & white canister. Air supplied mask for levels above 25 ppm or unknown concentrations.
--
ppm
Above 50 ppm air
supplied respirator
required.
Chromium Fume (metal and insoluable salts as Cr)
0.5Cr III
0.05 CrVI
Coal Tar Pitch Volative. (Benzene Soluble Fraction analyzed for specific PCAs)
Cobalt Fume or T'-'St (as Co)
0.2 0.05
mg/m3
High efficiency fume mask (purple cartridges or 3M 9920), or airline mask as required depend ing on welding process and ventilation.
_ mg/m3 Half-face mask w/dual black O.V. cartridge and dust covers for operations which may exceed .2 mg/m3.
0.1 mg/m3 Half-face mask w/dual purple filter high efficiency cartridge or airline mask.
CHBT8501101
0013.0.0
HEALTH DATA AND COMMENTS
Suspect cancer agent. Category "A" Embryo Fetus hazard. Skin absorption possible.
Toxicity dependent on components; visual dust emissions to be controlled.
Eyes, nose and throat irritant; pulmonary irritation. I.D.L.H. is 25 ppm.
Suspect cancer agent. Category "A" Embryo-Fetus hazard.
Chronic lung hazard.
Polycyclic Aromatic (PCA) containing; respiratory & skin irritant; possible cancer association.
Long term lung effects possible.
LAM 013715
DPMC-14989
14
DPMC EXPOSURE GUIDELINES
SUBSTANCE C Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Copper Dust (as Cu)
1.0 - mg/m3 Disposable 3M 9900 dust mask.
Copper Fume (as Cu)
0.1
mg/m3
High efficiency fume mask (purple cartridge or 3M 9920) , or airline mask as required depend ing on welding process and ventilation.
Cresol
5.0 ppm Above 5 ppm & up to 50 ppm full-face mask w/dual O.V. black cartridges.
.ene
50.0
75.0
ppm Above 50 ppm & up to 500 ppm half-face mask w/dual O.V. black cartridges.
Curing Agent Y [4,4' - Methylene dianiline (MDA) 4 2,4-diaminotoluene
0.1
0.5 ppm Above 0.1 ppm & up to 1.0 ppm half-face mask with dual O.V. black cartridges.
Cyclohexane
300.0
375.0
ppm
Above 300 ppm 4 up to 1000 ppm half face mask w/dual O.V. black cartridges.
1,3 Cyclopentadiene
75.0
150.0
ppm
Above 75 ppm 4 up to 750 ppm half-face mask w/dual O.V. black cartridges.
Cellosolve Acetate (Ethoxyethyl Acetate)
5.0 15.0 ppm
Shell developed guideline
Above 5 ppm 4 up to 50 ppm half-face mask w/dual black O.V. cartridges.
HEALTH DATA AND COMMENTS
Possible long term lung effects.
Metal fume fever possible from fume, an irritant to the upper respirator tract.
Skin absorption possible. Dermal irritant. Toxicity similar to phenol.
Skin absorption possible. Narcotic 4 irritative effects possible.
Skin absorption possible, suspect cancer agent.
Pungent odor detect able near 300 ppm. Skin, eye 4 respira tory irritant.
Vapors irritating near 200 ppm.
Skin absorption possible. "A" category Embryo Fetus hazard.
LAM 013716
CHBT8501101 0014.0.0
DPMC-14990
15
DPMC EXPOSURE GUIDELINES
SUBSTANCE D Section
DPMC GUIDELINES
TWA
STEL UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Diacetone Alcohol
50.0
75.0
ppm
Above 50 ppm & up to 500 ppm half-face mask w/dual black O.V. cartridges.
1,3 Dichloropropene (D-D soil fumigant) CHCL - CH-CH2CL
1.0
3.0
ppm
Above 1 ppm & up to
50 ppm half-face mask
w/dual black O.V.
cartridges.
Dicyclopentadiene (DCPD)
5.0
ppm
Above 5 ppm & up to 50 ppm half-face mask w/dual black O.V. cartridges.
Diethanolamine
3.0
Diethylamine
25.0
Diethylenetriamine
*
1.0
Diglycidyl Ether
ppm
Above 3 ppm & up to 50 ppm full-face mask w/dual green AM cartridges.
ppm
Above 25 ppm & up to 100 ppm half-face mask w/dual green AM cartridges.
ppm
Above 1 ppm & up to 50 ppm full-face mask w/dual green AM cartridges.
0.5
ppm
Supplied air respirator
only for all exposure
potential which may
exceed 0.5 ppm.
HEALTH DATA AND COMMENTS
Vapors irritating near 100 ppm. Narcotic effect possible.
Respiratory irri tant, kidney & liver effects.
Odor detected at .02 .02 ppm. Disagreeable odor at 0.2 ppm and irritating below 10 ppm. Possible chronic effects.
Colorless, liquid with slight ammonia odor; may cause irritation to E.N.T.
Eye and upper res piratory tract irri tant. Odor detected at 0.05 ppm.
Skin absorption possible. Eye and respiratory irrita tion.
Causes CNS depres sion, severe eye irritant. Odor threshold is above 5 ppm.
CHBT8501101 0015.0.0
lam 013717 DPMC-I49gi
16
DPMC EXPOSURE GUIDELINES
SUBSTANCE E Section Ethanolamine
Epichlorohydrin
Ethyl Alcohol
Ethyl Benzene
Ethyl Chloride Ethylene Dichloride
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
HEALTH DATA AND COMMENTS
3.0 6.0 ppm
1.0 3.0 ppm 15 min. peak
1000.0
ppm
100.0
ppm
1000.0
ppm
50.0
100.0
ppm
Above 3 ppm & up to 50 ppm full-face mask w/dual green AM cartridges.
Above 1 ppm 6 up to 50 ppm full-face mask w/dual black O.V. cartridges.
Above 1000 ppm & up to 2000 ppm full-face mask w/red type N canister mask.
Above 100 ppm & up to 500 ppm full-face mask w/dual black O.V. cartridges.
Above 1000 ppm & up to 2000 ppm full-face mask w/red type N canister.
Above 50 ppm & up to 500 ppm an airline respirator for VCM & EDC. Half-face mask w/dual O.V. black cartridges permitted for exposures involving only EDC.
Acute systemic toxicity. Odor threshold 3-4ppm. Irritant to skin & eyes. CNS stimulant.
Skin absorption possible. Suspect human carcinogen. IDLH is 100 ppm.
Narcotic effects above guideline. Odor detected at 5 ppm.
Skin irritant, irri' tating to U.R.T. systemic toxicity.
Narcotic effects above guideline.
Skin absorption possible. Toxic to liver, narcotic effects, suspect carcinogen. "A" category EmbryoFetus hazard. IDLH is 1000 ppm. Odor threshold is 40 ppm.
CHBT8501101 0016.0.0
LAN* 013718
DPMC-14992
17
DPMC EXPOSURE GUIDELINES
SUBSTANCE
E Section (Cont'd.) Ethylene Dibromide
DPMC GUIDELINES
MINIMUM RESPIRATOR
TWA_________ STEL
UNITS _________ SELECTION________
(Requirements)
10.0
15.0
ppm Up to 10 ppm full face mask w/dual black O.V. cartridges. Air supplied above 10 ppm.
HEALTH DATA AND COMMENTS
Skin absorption possible. Suspect carcinogen. 130 ppb ceiling standard used by California "A" category Embryo Fetus hazard. Odor threshold 26 ppm.
Ethylene Glycol m-Butyl Ether (Butyl Oxitol)
25.0
40.0
ppm
Shell developed guideline
Above 50 ppm & up to 500 ppm half-face mask w/dual O.V. black tridges. Odor unpleasant
at 75 ppm.
Skin absorption possible. Irritation and acute carsystemic effects
possible including red blood cells.
ylene Glycol m-Ethyl Ether (Ethyl Oxitol, or 2-Ethoxyethanol)
5.0 15.0 ppm
Shell developed guideline
Above 5 ppm & up to 50 ppm half-face mask w/dual O.V. black cartridges.
Skin absorption possible. Acute systemic toxicity "A" category Embryo Fetus hazard.
Ethylene Glycol m-Methyl Ether (Methyl Oxitol)
2.0 6.0 ppm
Shell developed guideline
Above 2 ppm & up to 50 ppm half-face mask w/dual O.V. black cartridges.
Skin absorption possible. Acute systemic toxicity "A" Category Embryo Fetus hazard.
Ethylene Glycol Vapor
G Section
50.0
ppm Half face mask with dual black O.V. cartridges required for mists.
Odor threshold is 25 ppm.
Gasoline (Bulk Handling)
300.0 500.0 ppm Above 300 ppm & up to 1000 ppm half-face mask w/dual O.V. black cartridges.
Anesthetic effect above guideline; irritating to mucous membranes.
H Section
'-Heptane
500.0 - ppm Above 500 ppm & up to Narcosis producing
1000 ppm half-face
at high concentra
mask w/black O.V.
tions.
cartridges.
LAM 013719
CHBT8501101 0017.0.0
DPMC-14993
18
DPMC EXPOSURE GUIDELINES
SUBSTANCE H Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
n-Hexane
50.0
ppm
Above 50 ppm 6 up to 500 ppm half-face mask w/black O.V. cartridge.
Hydrazine
0.01
ppm
Shell developed guideline
Above 0.01 ppm & up to 1.0 ppm full-face mask w/green AM cartridges,
Hydrogen Chloride Hydrogen Sulfide
5.0
ppm
Above 5 ppm & up to
50 ppm full-face mask
w/dual white chlorine
cartridges.
10.0
20.0
ppm
50 for 10 min. (If no other exposure
occurs that shift)
Air supplied respirator for exposure potential above 300 ppm. Type GMC-SS-1 canister (yellow) for escape.
Hydroquinone
2.0 4.0 mg/m3 Disposable 3M 9920 dust mask for oper ations which may reasonably exceed 2 mg/m3.
HEALTH DATA AND COMMENTS
Polyneuropathy 4 (nervous system effects) narcosis effects.
Skin absorption possible; respira tory irritant; sus pect cancer hazard; Suspect Embryo Fetus hazard.
Eyes, nose, and res piratory irritant.
Marked irritant to eyes, lung; loss of smell, highly toxic. Odor threshold .004 ppm. Immediate uncon sciousness above 600 ppm.
White crystals; may cause dermatitis, sensitization, eye injury & systemic toxicity.
I Section
Inorganic Lead Dust and Fume (as Pb)
0.05
mg/m3
Half-face mask w/dual purple dust filter cartridges, disposable 3M 9920 dust mask or airline mask.
Chronic toxicity from inhalation or ingestion. Good personal hygiene required. OSHA action level is 0.03 mg/m3. Suspect Embryo Fetus hazard.
CHBT8501101 0018.0.0
LAM 013720
DPMC-14994
19
DPMC EXPOSURE GUIDELINES
SUBSTANCE I Section (Cont'd.')
DPMC GUIDELINES
TWA
STEL UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Iron Oxide (as Fe)
10.0
- mg/m3 Disposable 3M 9900 dust mask.
HEALTH DATA AND COMMENTS
Long term minor lung hazard.
Isoprene (2 Methyl, 1-3 Butadiene)
None Available
ppm
Full facepiece mask w/black O.V. cartridges. For protection against odor or if irritation occurs.
Vapors irritating to eyes, nose and throat.
Isobutyl Alcohol
50.0
ppm
Above 50 ppm and up to 1000 ppm, full-facepiece mask with black organic vapor cartridges. Supplied air required at concentrations above 1000 ppm.
Irritation of eyes and upper respira tory tract. May cause headaches, drowsiness, skin irritation and ski cracking.
Isopropyl Alcohol
400.0
--
ppm
Above 400 ppm & up to
Skin absorption
1000 ppm half-face mask
possible.
w/black O.V. cartridges.
Isopropyl Ether
250 310 ppm Above 250 ppm & up to More toxic than
1000 ppm half-face
ethyl ether. Vapor
mask w/black O.V.
irritating above
cartridges.
250 ppm.
M Section
Magnesium Oxide Fume (as Mg)
10.0
Manganese (as Mn) Fume or Dust
1.0
CHBT8501101 0019.0.0
mg/m3
High efficiency fume mask (purple cartridges or 3M 9920), or airline mask as required depending on welding process and ventilation.
Long term minor lung hazard.
3.0 mg/m3 High efficiency fume
Central nervous
mask (purple cartridges
system disorders.
or 3M 9920), or airline
mask as required
depending on welding
process and ventilation.
LAM 013721
DPMC-14995
20
DPMC EXPOSURE GUIDELINES
SUBSTANCE
M Section (Cont'd.)
Mercury (inorganic)
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirement s)
0.1 mg/m3 Airline respirator only.
Mesityl Oxide
25.0
ppm
Above 25 ppm & up to 250 ppm half-face mask w/black cartridges.
Methacrylic Acid
20.0
(Glacial Methacrylic
id or Alpha Methyl
ylic Acid)
30.0
ppm
Above 30 ppm & up to 200 ppm full-face mask w/dual black O.V. cartridges.
HEALTH DATA AND COMMENTS
Central nervous system disorders; Category "A" Embryo Fetus hazard.
Irritating above 25 ppm, more toxic toxic than other ketones. Causes narcosis and systemic injury.
Corrosive to skin & eyes sensitization possible. Sharp odor. Liver & kidneys affected.
Methanol (Methyl Alcohol) Methyl Ethyl Ketone
Methyl Isobutyl Carbinol
Methyl Isobutyl Ketone
Methyl Mercaptan
200.0
ppm
100.0 ppm
Shell developed guideline
25.0
40.0
ppm
100.0
ppm
0.5 10.0 ppm
Above 200 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges.
Above 25 ppm & up to 250 ppm full-face mask with dual black O.V. cartridges.
Above 50 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges.
Air supplied respirator only for all exposure potential.
Irritant to eyes, nose and throat. Narcosis producing. Category "A" Embryo Fetus hazard. Odor detected at 5-10 ppm.
Skin absorption possible. Eye & skin irritant.
Irritation to eyes, nose and throat; Narcosis producing.
Toxici-ty similar to but less than hydro gen sulfide but odorless tolerable. IDLH is 400 ppm; odor threshold is .8 ppm.
CHBT8501101
LAM 013722
DPMC-14996
21
DPMC EXPOSURE GUIDELINES
SUBSTANCE M Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Molybdenum (as Mo) Soluble
5.0
10.0
mg/m3
Disposable 3M 9900 dust mask or half-face mask with dual purple dust cartridges for catalyst handling.
(Alpha) Methyl Styrene
50.0
100.0
ppm
Above 50 ppm full face mask with dual black O.V. cartridges.
N Section
Naphthalene
10.0
15.0
ppm
Above 10 ppm & up to 50 ppm full-face dual black O.V. cartridges.
Nickel Subsulfide Nickel Oxide Nickel Chloride
15.0 300.0
25.0
UG/m3 UG/m3 UG/m3
Welding-Respirator use dependent on process used and ventilation. Catalyst - 3M 9920 mask, or full face mask with dual purple dust cartridges or airline mask for catalyst handling.
Nickel Carbonyl, (as Ni)
0.001
ppm
Air supplied respirator only for all exposure potential.
HEALTH DATA AND COMMENTS
Long term lung effects possible.
IDLH is 1000 ppm; Odor threshold is .12 ppm.
Eye irritant and narcotic effects possible at high concentrations.
Suspect lung cancer agent; high concen trations may cause pulmonary edema. Delayed respiratory system effects possible.
0 Section
Organic Lead (Tetra Ethyl or Tetra Methyl)
.075
mg/m3
Air supplied respirator only for all exposure potential.
Skin absorption possible. "A" Embryo- Fetus hazard category.
CHBT8501101
0021.0.0
LAM 013723
DPMC-14997
DPMC EXPOSURE GUIDELINES
SUBSTANCE 0 Section (Cont'd.) Ozone
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
0.1 0.3 ppm Air supplied respirator only.
P Section para-Benzoquinone
0.1
0.3
Pentane Pnenol
1000.0 1000.0 5.0 10.0
ppm ppm ppm
Above 0.1 ppm & up to 10 ppm full-face mask with dual Black O.V. cartridges.
Above 1000 ppm & up to 2000 ppm full-face mask w/red canister.
Above 5 ppm & up to 50 ppm full-face mask w/dual black O.V. cartridges.
HEALTH DATA AND COMMENTS
Lethal gas at low concentrations, odor threshold est. 2 ppm.
Vapor/dust irri tating to corrosive to eyes.
Irritant to eyes, respiratory system CNS depressant.
Skin absorption possible. Odor threshold .02-.05 ppm. Skin burns and systemic toxicity possible. IDLH is 100 ppm.
Phenyl Glycidyl Ether
10.0
15.0
ppm
Above 10 ppm & up to 50 ppm full-face mask w/dual black O.V. cartridges.
May cause Central Nervous System depression. Skin & eye irritant.
S Section Sulfur Dioxide
2.0
Sulfuric Acid Mist
1.0
CHBT8501101
0022.0.0
ppm
Above 5 ppm & up to 50 ppm half-face mask w/dual white cartridges.
- mg/ms Full-face mask w/dual white AG cartridges w/dust covers above 1 mg/m3.
Colorless with strong suffocating odor. Respiratory irritant.
Eyes, nose, throat and pulmonary irritation.
LAM 013724
DPMC-1499S
23
DPMC EXPOSURE GUIDELINES
SUBSTANCE S Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Styrene, Monomer
100.0
200.0
ppm
Above 100 ppm & up to 500 ppm half-face mask w/dual black O.V. cartridges.
T Section Teflon (FEP) Welding Fumes (Fluoroethylene-
^ylene) Titanium Fume/Dust
Toluene
No Detectable Level Permitted
10.0
mg/m3
100.0
150.0
ppm
Air supplied respira tors only for all exposure potential.
Disposable 3M 9920 fume mask for oper ations which may exceed 10 mg/m3.
Above 100 ppm & up to 1000 ppm half-face mask with black O.V. cartridges.
Total (Nuisance , Dust)
1,1,1, Trichloroethane (Methyl Chloroform or Shell Blend 100)
Trichloroethj'lene
10.0 350.0 50.0
mg/m3
Disposable 3M 9900 Dust mask for oper ations which may exceed 10 mg/m3.
450.0
ppm
Above 350 ppm and up to 1000 ppm half-face mask with black O.V. cartridge.
200.0 ppm Above 50 ppm & up to 1000 ppm half-face mask w/black O.V. cartridges.
CHBT8301101 0023.0.0
HEALTH DATA AND COMMENTS
Odor threshold 0.047 - 0.1 ppm. Eyes, nose and respira tory irritant. CNS depressant. Cate gory "A" Embryo Fetus hazard.
Respiratory irri tation, FEP decom poses to Hydrogen Fluoride.
Considered a nuisance dust hazard.
Skin absorption possible. E.N.T. irritant. Odor threshold approx. 2-15 ppm. "A" category EmbryoFetus hazard.
Long term lung effects suspected
Mild chloroform odor. No flash point. CNS depres sant and dermatitis.
Chronic liver hazard, narcotic effects.
LAM 013725
BPMC-14999
24
DPMC EXPOSURE GUIDELINES
SUBSTANCE T Section (Cont'd.)
DPMC GUIDELINES
TWA
STEL
UNITS
MINIMUM RESPIRATOR SELECTION
(Requirements)
Trime thylamine
10.0
15.0
ppm
Above 10 ppm & up to 500 ppm full-face mask with green ammonia cartridges.
1,2,3-Trichloro-
5.0
7.5
ppm
Above 5 ppm & up to
Propane
50 ppm full face
mask with black O.V.
cartridges.
HEALTH DATA AND COMMENTS
Chloroform odor colorless, liquid, irritant, mild skin sensitizer.
V Section Vanadium (Fume)
0.05 (as V)
mg/m3
High efficiency fume mask (purple cartridges or 3M 9920), or airline mask as required depend' ing on welding process and ventilation.
Oxides of Vanadium are acutely toxic possibly resulting in delayed respira tory system effects
Vinyl Chloride Monomer
W Section Welding Fume
Wood Dust: Hard Woods Soft Woods
1.0 5.0 ppm
(No time limit associated with STEL.)
Air supplied respirator only for all exposure potential.
Suspect human car cinogen. "A" cate gory Embryo Fetus hazard.
5.0 - mg/m3 High efficiency fume Metal fume fever
mask (purple cartridges
from galvinized
or 3M 9920), or airline
metal; possible long
mask as required depend term lung effects.
ing on welding process
and ventilation.
1.0 - mg/m3 3M 9920 required above Possible lung
limit.
effect.
5.0
10.0
mg/m3 3M 9920 required above
Possible lung
limit.
effect.
CHBT8501101 0024.0.0
LAM 013726
DPMC-15000
25
SUBSTANCE_______ X Section Xylene
Z Section Zinc Oxide Fume
DPMC EXPOSURE GUIDELINES
DPMC GUIDELINES
MINIMUM RESPIRATOR
TWA_________ STEL
UNITS__________ SELECTION
(Requirements)
100.0 150.0 ppm Above 100 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges.
HEALTH DATA AND COMMENTS
Skin absorption possible. "A" category F.mbryoFetus-hazard. Odor detected at 1.1 ppm.
5.0 10.0 mg/m3 High efficiency fume
Metal fume fever
mask (purple cartridges
from inhalation
or 3M 9920), or airline
of fumes.
mask as required
depending on welding
process and ventilation.
CHBT8501101 0025.0.0
LAM 013727
DPMC-15001
CO H X
mm g
CL CL 60 6C
gg
e
CL CL
CQl.
<n Uu
60
g
go.
Cl
oo o in in co
m m
m cm CM
O CM m
X U3 H to 1 MX >X o H <
\D
oo O' <
sP 1 > J H
O \C
1
o
in
a-
r-.
1
o
zM
XMw
I
<x
w Pm
CO
o
< E5 I U3 Pm
-a*
I
CO o CM o CM 1
in m CO
o
1
in CM
O O c o o in m iCnM CM CM m O
in
CM
in
m
cm
DPMC EXPOSURE GUIDELINES C H B T 8 5 0 I101
0026.0.0
o>
c o
4J
Li
G
XJ G
X tfl
G XJ 3 3
6^ W O U-i
-H G fH
b3 z < Hto CP XCO
X> CC
G iH *H u
0) X C J-> og 3X 0)
H X L H
xj
G
f-C( G s
c X i>--! E
G C joj
c X0J
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H 0) o
r""4
3 3 H
01 u
V u
0) X G P-
u G
r-< i--!
!"( i-H
3
r-l
< < <w < < < <
0)
G
3
t-
(0 _
3H
G
C
c i-l
0 i-<
o XJ XJ
to ffi GX
G 3G tsj
B B <
H
3 <
X to
<
Cl 3
to G
< CC
LAM 013728
DPMC-15002
UNITS
STEL
SHELL DPMC GUIDELINES
TWA
TLV-STEL
CO
B
e
Cl
B p.
BCl
B
Cl
60 a p- P- Cl
e
i 1 i 1o
# Jj
o ooo
in ttf
in
o
o
m
jj CM o m CM
o CO
JJ
CO
B a a
e p. o.
B
Cl
a
E a p.
"Ev. 60
E a a
ECl
E a
Cl p.
JJ
in
i
i
i
o
o
OE H
O
o m_i
o
m--1 X
- O
iH
i
to
cP V
JJ
e M
oooO
m rH
o
o
o m o o i O t-H o m
c CM in o
am
^H x
uo
o
ot in
CM ^H
1 Om
jj
to
iH 3
cO Q JJ o o
0d
H
U c
d CO
a> CO
c o o*
o o 0O
1
in
CO OH
23
oo
1
1
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1
1
m
m
in CM
--i
oo co o CM
<
in
m
cn O
1
OO
II
1986 ACGIH
TLV-TWA
PEL-CEILING
OSHA
PEL-TWA
t
l
m
o
m
m H
o
CM
"
m
*-H
/--V
W
'cwc'
0)
C Li
d /--s
0)
rH L
X
0)
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JJ
W rH <u i--4 0 E
*3 H Li
< CL CQ
d
WU2 W @ >>
i-H 0 X
rH 0 >. X *3 o H u
X 0 CJ
rH
p3z-i d
0) o H iw
0 a rH *3 X iH o
<
o c
x p. to
c <D *3
rH JJ 0 0 rH < 3 rH
0) o
03 JJ CQ H 1
o --4 <
>-. < rH i--(
i--4
iH X
o
3 to H
cc
XE
>N JJ
JJ
i--H pH JJ 3 E
3 CC
0) rH c rH 1-4 o
>>
jj JJ
3 CC
CQ 1
H3
c 0
\
cn
(0 u
u
O3 Jj >-> CC
3 CC
1 O
JJ & X L< *3 w
X 0 c 0 . s: c 0 X L
3 Ll rH JJ d rH H --<
cm O cc X i-- n*, U CC CM
H CQ
~h
3 cc
3 cc
3 i--1 cc
1 c
1 c
d 0) CC 3 CO jj
3 3X o
LAM 013729
DPMC-15003
SUBSTANCE
m
co Ht--l Z
<rj <n m co
e
cl
ECL ^E^E ^E
DO a CL SC SC DC
E EE E
co co co
E EE E E E
^ \ ^ a- CL CL
SC DO DC
CL CL a
E EE
CO w z
HX
*J W WH O CO M o c
o z Pm o
<
rJ *-2 H W SC CO
o o
I1
MM >Li CLPi O
m o mo o oo
o
o ii
om
mo i--
m o --c
o o*-*
oo mo
m
oo mo
in
ii
i
o
I cn
om
mo r-
m> MP P CJ o
m o m o cm
o oo
ch O o O ~ C in o
in
DPMC EXPOSURE G U ID E L IN E S ( C o n t 'd .
[4 , A' - M ethylene
d la n ili, n e (MDA) & 2 -A -dlam lnotoluene 1
O Zw X
<
X
CO O
<
H I X W
Cu
w o z < H CO co CO
l
CO
p ooo
O
H
oo
in o m
<D
CL
CO
to O
c<
o
oo
c
0) H CM
CO
CO rH P
CO
p H u u Nr'
rH CJ CO
P CO
CO p P
p /--v /--
p CO
rH IP H
CO
pp
0> CO o U p u u
>zW CO
> 0) flJ rH Cm
CO CO
p
CO
p
0) rH E CO
X CO
po
P rH
p
p CO CO
ow
s
P CO
H 0 0
Q>
0) P
C5
E Dm
CM CO *4-1 E E
P <L
p pp
p c
a> DO
p 0)
CO c
Jn rH
H
p
CO o
P rH
CO CJ c
O <P
O P 0 rH
X
o
rM
PX
H p
E rH
Cc P (0
Xc
o H
P 4>
CO c 4)
H <L N N
rH C rH CO 0) CO
o cc c
CP CO
Dm
p
rH CO
X
0 o
Dm
P 0> CM a 0 u
rH
o CO
0)
p
CJ>
a; c
a/
E
P CJ
<
DO C H P P O
LAW 013730
UPMC-15004
UNITS
ST^L
SHELL DPMC GUIDELINES
TWA
6 .0 5 .0
TLV-STEL
EE
Cl, Cl CL Cl CL
O
m o in r*v in co r-H
EE
a CL a
/*N
U
OX
m m *- r*
EEE EEEE
a a CL CL CL CL
CL a CL Cl CL
m
i i i i s>
O o mm o r-* co
c
m
m r-* m co
1
in
oo m CO m
CM
1 co
i 1m
CM
o
oo
m r*.
in
co
F--^ m
oo
oo
m co "-1
CO CM
iji
,1
in ! 1 1 l l i
1986 ACGIH
TLV-TWA
PEL-CEILING
OSHA
PEL-TWA
o Om r-* co
1
1 m
- 1 J m 1 1 CO m
CM
a>
0) jj
c 0) co
0) U i-> rH
H co <v o
X HI CJ -C
cd ai < o
.u u
CJ
c < fH rH
0) 05
to <
C CL 0) j:
td 0 > LJ X rH rH 01
0)
c
0)
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o
X to CO X JJ
o rH
1
0o -i X
0) o
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co H
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o> u
Mr-
ce
0) CO
01
Cl 60
e
o *H
o
P E CL 3 N
*o
01 c
o IM sc
CO H
p U E
01
rH *H X
c CO
Hi r--i
X o
O
a co
oG
H II
c !
r--1 CO
UX
to u
CO 1 U 0!
- a X H iH
LAM 013731
01
e
H U
E 01 CO c H 4J
c H u
a; L- U3 ai X
c JJ
e to
H 0) rH *H X
E c to E o
CO rH
0) rH
ns H
CO u rH " o
to to a
o rH
X
to c JC
AJ u rH CO o
0) 01 oe
H
H H H 4J
Q W U2
r--' <--< --' in
PC CM
DPMC-15005
SUBSTANCE
UNITS
STEL
SHELL DPMC GUIDELINES
TWA
TLV-STEL
g pL o.
g a
cl
E O-
cl
BCl CL
B o. CL
aE. CL
BCl Cl
1 i i in m
in
cn
Ea CL
BCL a
E CL a
ECL &
Ea CL
ECL CL
e 00 E
i
i
1
in -C csl
in
o 1
in
k
*
m
o
cn
m
m
t
CN
1 m
CN in CNA
1 in
l
1
1 1 l in <
m
in
o
o
I
--<
o m
in
s
in
in
c
CN
cn
1
{
f-H
l
l
1
i
1 in CN
1
1986 ACGIH
TLV-TWA
PEL-CEILING
OSHA
PEL-TWA
O ooo
o o o
o o o
oo in
CN
ooo
m
m
l
o
I CN
vM
LAM 013732
cc
P 0) /~V H
0)
O rH p
a. ?n 0)
iH H3
o C o TV--1
<
rH
X
jj CO
0) C 0) N e 0)
CD
X4-1 W
0) o H
O) *o *H E o
p
-o 1-i
p
o
rH
u
cc
>
ih
4c-1 JJ=J to to V
C ec 5S
o rH 0*
CJ e> >. rH
Pn tH j:
3
p
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h rH o
0P 4J CO
sC_C^
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X
0)
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c
03
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co
c
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rH r-l
tH rH O ^-1
>S JJ
Pn Xu
Pn X
jj
Pn X4-1
Sn O X4J rHPn
0 CO tc
to to ID to to o
0) c Ol CO c
JJ CO
X 0/ 0J :n tl cc
H0u> *oU>
P -H
o VM
iH rH
01
X w3
oC --
<D c
C
c
c
H
----H<
H 0> * 01 3
tc oc oc cr m
c 0 0 O cc
p T5
p *3
p *3
PH
-O cn
Pn Pn
Pn
DPMC-15006
SUBSTANCE
UNITS
STEL
SHELL DPMC GUIDELINES
TWA
TLV-STEL
<n EB bC sc EB
ii
cn cn
BeE
Ca
cl
a
a
a.
be
bO
BE
oo i i I CO
CO
to
B
SO
E Q.
a
B
cl
a
Eaa
B
- c
I 1
l 1
1 1
H
m in
*3" CM
1 m CM CM
<y
|
rH
CO
m r-
m
r"X
CO
rH
H
CO
>
<
o
CO
1
m CM m
CM CO
<u
m
*
2o m
1
m
m
<--4
--<
CM
m
r-X
PM
CM
I
in
l
1986 ACGIH
TLV-TWA
PEL-CEILING
OSHA
PEL-TWA
in
ml >3- m
lm
CM
*
CM
s ^ LAM 013733
03 i-H
4J
CO /-V
O' >>
^ X
O Cu
CO
XXJ QJ /-s
CO a; to
'wCO'
X 4>
CM QJ
QJ W *r4
o 03 *
H 4) H 0) CO
E X 4->
to o QJ
be Ch
lx CO
w a
c o c co
C w CO
M
CO 1 M--
rH O J= o u rH < 1--1 U X O to M
E 4x
f--t
PL-
/--v
o
X u QJ X
o QJ
u tH <
Xu w
H X
CO CO Sp*'
rH rH E QJ
Pn CO
CL CL H
QJ XJ
0 O CO CO
u u QJ CO
Cl Cm
bC -
O o bO
CO CO CO CQ J-
M M X Xo
V u
CO bO 5- QJ 0 o H MX
o
5o rH
CJ
4J H
lx CO
QJ QJ
XX
rH QJ
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rH xj
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X XJ
QJ
X
XXJ
rH - W
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CO
X4J
X XJ
QJ QJ
XX
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DPMC-15007
SUBSTANCE
UNITS
STEL
SHELL DPMC GUIDELINES
TWA
TLV-STEL
1986 ACGIH
<*
aGa.
G
CL CL
aG g-
G
CL CL
G
CL
a
CL ^
a.
CL CL CL CL
oo
oo
O
o \D
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o o in o
6C bG 333
o in
o
m o CM m o CM in
mo --
cn
m r-.
Im m
in
in in CM m
in h Z
CM in CO
CM in
co
co
to
ctco
XXo
m
CM
in
m
TLV-TWA
PEL-CEILING
OSHA
PEL-TWA
SUBSTANCE
0 e
0)
H c
Xo
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