日本职业接触限值

Table I-1.   Occupational exposure limits for chemical substances

Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcino- genicity	Class of sensitizing potential		Year of propo- sal
		ppm	mg/m3			Airway	Skin
Acetaldehyde [75-07-0]	CH3CHO	50*	90*	S	2B	1	2†	’90
Acetic acid [64-19-7]	CH3COOH	10	25					’78
Acetic anhydride [108-24-7]	(CH3CO)2O	5*	21*					’90
Acetone [67-64-1]	CH3COCH3	200	470					’72
Acrylaldehyde [107-02-8]	CH2=CHCHO	0.1	0.23					’73
Acrylamide [79-06-1]	CH2=CHCONH2	—	0.1		2A			’04
Acrylonitrile [107-13-1]	CH2=CHCN	2	4.3	S	2Aψ			’88
Allyl alcohol [107-18-6]	CH2=CHCH2OH	1	2.4	S				’78
2-Aminoethanol [141-43-5]	H2NCH2CH2OH	3	7.5					’65
Ammonia [7664-41-7]	NH3	25	17					’79
Aniline [62-53-3]	C6H5NH2	1	3.8	S			1†	’88
o-Anisidine [90-04-0]	H3COC6H4NH2	0.1	0.5	S	2B			’96
p-Anisidine [104-94-9]	H3COC6H4NH2	0.1	0.5	S				’96
Antimony and compounds (as Sb	Sb	—	0.1					(’13)
except Stibine) [7440-36-0]
Arsenic and compounds (as As)	As	(Table III-2) 0.01        0.032 0.1*        0.32* (Table I-2) (Table III-2)		S	1 1			’00 ’92 ’15 ’97
[7440-38-2]
Arsine [7784-42-1]	AsH3
Atrazine [1912-24-9]	C8H14ClN5
Benzene [71-43-2]	C6H6
Beryllium and compounds (as Be)	Be	—	0.002		2Aψ		2	’63
[7440-41-7]		0.3	0.83					’79
Boron trifluoride [7637-07-2]	BF3
Bromine [7726-95-6]	Br2	0.1	0.65					’64
Bromoform [75-25-2]	CHBr3	1	10.3					’97
1-Bromopropane [106-94-5]	CH3CH2CH2Br	0.5	2.5					’12
2-Bromopropane [75-26-3]	CH3CHBrCH3	1	5	S				’99
Buprofezin [69327-76-0]	C16H23N3OS	—	2					’90

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Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcino- genicity	Class of sensitizing potential		Year of propo- sal
		ppm	mg/m3			Airway	Skin
Butane (all isomers) [106-97-8]	C4H10	500	1,200	S	1ψ	2	1	’88
1-Butanol [71-36-3]	CH3CH2CH2CH2OH	50*	150*					’87
2-Butanol [78-92-2]	CH3CH(OH)CH2CH3	100	300					’87
Butyl acetate [123-86-4]	CH3COO(CH2)3CH3	100	475					’94
t-Butyl alcohol [75-65-0]	(CH3)3COH	50	150					’87
Butylamine [109-73-9]	CH3CH2CH2CH2NH2	5*	15*	S				(’94)
Cadmium and compounds (as Cd)	Cd	—	0.05					’76
[7440-43-9]
Calcium cyanide (as CN) [592-01-8]	Ca(CN)2	—	5*	S				’01
Carbaryl [63-25-2]	C12H11NO2	—	5	S				’89
Carbon dioxide [124-38-9]	CO2	5,000	9,000					’74
Carbon disulfide [75-15-0]	CS2	(Table I-2)		S				’15
Carbon monoxide [630-08-0]	CO	50        57						’71
Carbon tetrachloride [56-23-5]	CCl4	5        31		S	2B			’91
Chlorine [7782-50-5]	Cl2	0.5*        1.5*						’99
Chlorobenzene [108-90-7]	C6H5Cl	10        46						’93
Chlorodifluoromethane [75-45-6]	CHClF2	1,000        3,500						’87
Chloroethane [75-00-3]	C2H5Cl	100        260						’93
Chloroform [67-66-3]	CHCl3	3        14.7		S	2B			’05
Chloromethane [74-87-3]	CH3Cl	50        100						’84
Chloromethyl methyl ether (technical	CH3OCH2Cl	—        —			2A			’92
grade) [107-30-2]		0.1        0.67						’68
Chloropicrin [76-06-2]	Cl3CNO2
Chromium and compounds (as Cr)	Cr	—        0.5						’89
[7440-47-3]					1ψ
Chromium Metal
Chromium (III) compounds		—        0.5
Chromium (VI) compounds		—        0.05
Certain Chromium (VI) compounds		—        0.01
Cobalt and compounds (as Co)	Co	—        0.05			2B	1	1	’92
[7440-48-4]		5        22		S				’86
Cresol (all isomers)	C6H4CH3(OH)
Cyclohexane [110-82-7]	C6H12	150        520						’70
Cyclohexanol [108-93-0]	C6H11OH	25        102						’70
Cyclohexanone [108-94-1]	C6H10O	25        100						’70
Diazinon [333-41-5]	C12H21N2O3PS	—        0.1		S				’89
Diborane [19287-45-7]	B2H6	0.01        0.012						’96
Dibutyl phthalate [84-74-2]	C6H4(COOC4H9)2	—        5					2	’96
o-Dichlorobenzene [95-50-1]	C6H4Cl2	25        150						’94
p-Dichlorobenzene [106-46-7]	C6H4Cl2	10        60			2B			’98
1,4-Dichloro-2-butene [764-41-0]	C4H6Cl2	(Table I-2)						’15
3,3’-Dichloro-4,4'-diaminodiphenyl-	CH2(C6H3NH2Cl)2	—	0.005	S	2Aψ			’12
methane (MBOCA) [101-14-4]		500	2,500					’87
Dichlorodifluoromethane [75-71-8]	CCl2F2
1,1-Dichloroethane [75-34-3]	Cl2CHCH3	100	400					’93
1,2-Dichloroethane [107-06-2]	ClCH2CH2Cl	10	40		2B			’84
2,2'-Dichloroethyl ether [111-44-4]	(ClCH2CH2)2O	15	88	S				’67
1,2-Dichloroethylene [540-59-0]	ClCH=CHCl	150	590					’70
Dichloromethane [75-09-2]	CH2Cl2	50	170	S	2A†			’99
1,2-Dichloropropane [78-87-5]	ClCH2CHClCH3	1	4.6		1†		2	’13
2,2-Dichloro-1,1,1-trifluoroethane	CF3CHCl2	10	62					’00
[306-83-2]		10	30					’89
Diethylamine [109-89-7]	(C2H5)2NH

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Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcino- genicity	Class of sensitizing potential		Year of propo- sal
		ppm	mg/m3			Airway	Skin
Di(2-ethylhexyl)phthalate [117-81-7] Diethyl phthalate [84-66-2] N,N-Dimethyl acetamide [127-19-5] Dimethylamine [124-40-3] N,N-Dimethylaniline [121-69-7] N,N-Dimethylformamide (DMF) [68-12-2] Dimethyl sulfate [77-78-1] 1,2-Dinitrobenzene [528-29-0] 1,3-Dinitrobenzene [99-65-0] 1,4-Dinitrobenzene [100-25-4] 1,4-Dioxane [123-91-1] Diphenylmethane-4,4'-diiso-cyanate (MDI) [101-68-8] Dusts Ethyl acetate [141-78-6] Ethylamine [75-04-7] Ethyl benzene [100-41-4] Ethylenediamine [107-15-3] Ethylene glycol monoethyl ether [110-80-5] Ethylene glycol monoethyl ether acetate [111-15-9] Ethylene glycol monomethyl ether [109-86-4] Ethylene glycol monomethyl ether acetate [110-49-6] Ethylene oxide [75-21-8] Ethylenimine [151-56-4] Ethyl ether [60-29-7] Etofenprox [80844-07-1] Fenitrothion [122-14-5] Fenobucarb [3766-81-2] Fenthion [55-38-9] Flutolanil [66332-96-5] Formaldehyde [50-00-0] Formic acid [64-18-6] Fthalide [27355-22-2] Furfural [98-01-1] Furfuryl alcohol [98-00-0] Gasoline [8006-61-9] Glutaraldehyde [111-30-8] Heptane [142-82-5] Hexachlorobutadiene [87-68-3] Hexane [110-54-3] Hexane-1,6-diisocyanate (HDI) [822-06-0] Hydrazine (anhydrous) and Hydrazine hydrate [302-01-2/7803-57-8] Hydrogen chloride [7647-01-0] Hydrogen cyanide [74-90-8] Hydrogen fluoride [7664-39-3]	C24H38O4 C6H4(COOC2H5)2 (CH3)2NCOCH3 (CH3)2NH C6H5N(CH3)2 (CH3)2NCHO (CH3)2SO4 C6H4(NO2)2 C6H4(NO2)2 C6H4(NO2)2 C4H8O2 CH2(C6H4NCO)2 CH3COOC2H5 C2H5NH2 C6H5C2H5 H2NCH2CH2NH2 C2H5OCH2CH2OH C2H5OCH2CH2OCOCH3 CH3OCH2CH2OH CH3OCH2CH2OCOCH3 C2H4O C2H5N (C2H5)2O C25H28O3 C9H12NO5PS C12H17NO2 C10H15O3PS2 C17H16NO2F3 HCHO HCOOH C8H2Cl4O2 C5H4O2 C4H3OCH2OH OHC(CH2)3CHO CH3(CH2)5CH3 Cl2C=C2Cl2=CCl2 CH3(CH2)4CH3 OCN(CH2)6NCO N2H4 and N2H4·H2O HCl HCN HF	— — 10 10 5 10 0.1 0.15 0.15 0.15	5 5 36 18 25 30 0.52 1 1 1	S S S S S S S S	2B 2B 2Aψ 2B	1	2	’95 ’95 ’90 ’79 ’93 ’74 ’80 ’94 ’94 ’94 ’15
		(Table I-2) —        0.05 (Table I-3)
								’93
								’80
		200	720					’95
		10	18					’79
		50	217		2B			’01
		10	25	S		2		’91
		5	18	S				’85
		5	27	S				’85
		0.1	0.31	S				’09
		0.1	0.48	S				’09
		1	1.8		1ψ		2	’90
		0.5	0.88	S	2B			(’90)
		400	1,200					(’97)
		—	3					’95
		—	1	S				’81
		—	5	S				’89
		—	0.2	S				’89
		—	10					’90
		0.1	0.12		2A	2	1	’07
		5	9.4					’78
		—	10					’90
		2.5	9.8	S				(’89)
		5	20					’78
		100b	300b		2B			’85
		0.03*				1	1	’06
		200	820					’88
		0.01	0.12	S				’13
		40	140	S				’85
		0.005	0.034			1		’95
		0.1	0.13	S	2B		1	’98
		2*	3.0*					’14
		5	5.5	S				’90
		3*	2.5*					’00

OEL

Skin        Class of

file:///C:\Users\lenovo\AppData\Local\Temp\ksohtml\wpsF4CB.tmp.pngSubstance [CAS No.]        Chemical formula                        absorp-        carcino-                potential        propo- ppm        mg/m3        tion        genicity         Airway        Skin        sal

file:///C:\Users\lenovo\AppData\Local\Temp\ksohtml\wpsF4DC.tmp.pngHydrogen selenide [7783-07-5]        SeH2        0.05        0.17        ’63

Hydrogen sulfide [7783-06-4]        H2S        5        7        ’01

Indium and compounds [7440-74-6]        In        (Table II-1)        2A                 ’07 Iodine [7553-56-2]        I2        0.1        1                2        ’68

Isobutyl alcohol [78-83-1]        (CH3)2CHCH2OH        50        150        ’87

Isopentyl alcohol [123-51-3]        (CH3)2CHCH2CH2OH        100        360        ’66

Isopropyl alcohol [67-63-0]        CH3CH(OH)CH3        400*        980*        ’87

Isoprothiolane [50512-35-1]        C12H18O4S2        —        5        ’93

Lead and compounds (as Pb except alkyl    Pb        —        0.1        2B         ’82 lead compounds) [7439-92-1]

Lithium hydroxide [1310-65-2]        LiOH        —        1        ’95

Malathion [121-75-5]        C10H16O6PS2        —        10        S        ’89

Maleic anhydride [108-31-6]        C4H2O3        0.1        0.4        2        2        (’15)

0.2*        0.8*

Manganese and compounds (as Mn        Mn        0.2         ’08 except organic compounds)

[7439-96-5]

Man-made mineral fibers**        ’03

Ceramic fibers, Micro glass fibers        —        —        2B Continuous filament glass fibers,                1 (fiber/ml)

Glass wool fibers, Rock wool fibers, Slag wool fibers

Mepronil [55814-41-0]        C17H19NO2        —        5        ’90

Mercury vapor [7439-97-6]        Hg        —        0.025        ’98

Methacrylic acid [79-41-4]        CH2=C(CH3)COOH        2        7.0        ’12

Methanol [67-56-1]        CH3OH        200        260        S        ’63

Methyl acetate [79-20-9]        CH3COOCH3        200        610        ’63

Methyl acrylate [96-33-3]        CH2=CHCOOCH3        2        7        2        ’04

Methylamine [74-89-5]        CH3NH2        10        13        ’79

Methyl bromide [74-83-9]        CH3Br        1        3.89        S        ’03

Methyl n-butyl ketone [591-78-6]        CH3CO(CH2)3CH3        5        20        S        ’84

Methylcyclohexane [108-87-2]        CH3C6H11        400        1,600        ’86

Methylcyclohexanol [25639-42-3]        CH3C6H10OH        50        230        ’80

Methylcyclohexanone [1331-22-2]        CH3C6H9O        50        230        S        ’87

Methyl methacrylate [80-62-6]        CH2=C(CH3)COOCH3        8.3        2        2        ’12

4,4'-Methylenedianiline [101-77-9]        CH2(C6H4NH2)2        —        0.4        S        ’95

Methyl ethyl ketone [78-93-3]        C2H5COCH3        200        590        ’64

Methyl isobutyl ketone [108-10-1]        CH3COCH2CH(CH3)2        50        200        ’84

N-Methyl-2-pyrrolidone [872-50-4]        C5H9NO        1        4        S        ’02

Methyltetrahydrophthalic anhydride        CH3C6H7(CO)2O        0.007        0.05        1        ’02

[11070-44-3]        0.015*        0.1*

Nickel [7440-02-0]        Ni        —        1        2        1        ’11

Nickel carbonyl [13463-39-3]        Ni(CO)4        0.001        0.007                 ’66 Nickel compounds (Total dusts) (as Ni),                                2B

Nickel compounds, soluble        0.01        ’11

Nickel compounds, not soluble        0.1        ’11

Nickel smelting dusts        (Table III-2)        1        ’11

Nitric acid [7697-37-2]        HNO3        2        5.2        ’82

p-Nitroaniline [100-01-6]        H2NC6H4NO2        —        3        S        ’95

Nitrobenzene [98-95-3]        C6H5NO2        1        5        S        2B        (’88)

p-Nitrochlorobenzene [100-00-5]        C6H4ClNO2        0.1        0.64        S        ’89

Nitrogen dioxide [10102-44-0]        NO2        (pending)        ’61

Nitroglycerin [55-63-0]        (O2NOCH2)2CHONO2        0.05*        0.46*        S        ’86

Nitroglycol [628-96-6]        O2NOCH2CH2ONO2        0.05        0.31        S        ’86

Nonane [111-84-2]        CH3(CH2)7CH3        200        1,050        ’89

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Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcino- genicity	Class of sensitizing potential		Year of propo- sal
		ppm	mg/m3			Airway	Skin
Octane [111-65-9] Oil mist, mineral Ozone [10028-15-6] Parathion [56-38-2] Pentachlorophenol [87-86-5] Pentane [109-66-0] Pentyl acetate, All isomers [628-63-7; 123-92-2; 626-38-0; 620-11-1; Perfluorooctanoic acid [335-67-1] Phenol [108-95-2] m-Phenylenediamine [108-45-2] o-Phenylenediamine [95-54-5] p-Phenylenediamine [106-50-3] Phosgene [75-44-5] Phosphine [7803-51-2] Phosphoric acid [7664-38-2] Phosphorus (yellow) [7723-14-0] Phosphorus pentachloride [10026-13-8] Phosphorus trichloride [7719-12-2] Phthalic anhydride [85-44-9] o-Phthalodinitrile [91-15-6] Picric acid Platinum, soluble salts (as Pt) [7440-06-4] Polychlorobiphenyls Potassium cyanide (as CN) [151-50-8] Potassium hydroxide [1310-58-3] Propyl acetate [109-60-4] Propylene imine [75-55-8] Pyridaphenthion [119-12-0] Rhodium (Soluble compounds, as Rh) [7440-16-6] Selenium and compounds (as Se, except SeH2 and SeF6) [7782-49-2] Silane [7803-62-5] Silver and compounds (as Ag) [7440-22-4] Sodium cyanide (as CN) [143-33-9] Sodium hydroxide [1310-73-2] Styrene [100-42-5] Sulfur dioxide [7446-09-5] Sulfuric acid [7664-93-9] Sulfur monochloride [10025-67-9] 1,1,2,2-Tetrachloroethane [79-34-5] Tetrachloroethylene [127-18-4] Tetraethoxysilane [78-10-4] Tetraethyl lead (as Pb) [78-00-2] Tetrahydrofuran [109-99-9] Tetramethoxysilane [681-84-5] Thiuram [137-26-8] Titanium dioxide (nanoparticle, as Ti) [13463-67-7] Toluene [108-88-3] Toluene diisocyanates [26471-62-5]	CH3(CH2)6CH3 O3 (C2H5O)2PSOC6H4NO2 C6Cl5OH CH3(CH2)3CH3 CH3COOC5H11 C7F15COOH C6H5OH C6H4(NH2)2 C6H4(NH2)2 C6H4(NH2)2 COCl2 PH3 H3PO4 P4 PCl5 PCl3 C6H4(CO)2O C6H4(CN)2 C6H2(NO2)3OH Pt C12H(10-n)Cln KCN KOH CH3COO(CH2)2CH3 C3H7N C14H17N2O4PS Rh Se SiH4 Ag NaCN NaOH C6H5CH=CH2 SO2 H2SO4 S2Cl2 Cl2CHCHCl2 Cl2C=CCl2 Si(OC2H5)4 Pb(C2H5)4 C4H8O Si(OCH3)4 C6H12N2S4 TiO2 C6H5CH3 C6H3CH3(NCO)2	300 – 0.1 — — 300 50 100* 5 — — — 0.1 0.3* — — 0.1 0.2 0.33* 0.01 — — — — — 200 2 — — — 100* — — — 20	1,400 3 0.2 0.1 0.5 880 266.3 532.5* 0.005c 19 0.1 0.1 0.1 0.4 0.42* 1 0.1 0.85 1.1 2* S — 0.001 0.01 5* 2* 830 4.7 0.2 0.001 0.1 130* 0.01 5* 2* 85	S S S S S S S S S S	1ψ 2Aψ 2B	1 1	3 3 1 2 1 2	’89 ’77 ’63 (’80) (’89) ’87 ’08 ’08 ’78 ’99 ’99 ’97 ’69 ’98 (’90) (’88) ’89 ’89 ’98 ’09 ’14 ’00 ’06 ’01 ’78 ’70 ’67 ’89 ’07 ’00 ’93 ’91 ’01 ’78 ’99 ’61 ’00 ’76 ’84
		(pending)
		—        1*
		1*        5.5*
		1        6.9
		(pending)		S	2B			’72
		10        85						’91
		—        0.075		S				’65
		(Table I-2)						’15
		1	6					’91
			0.1				1	’08
		—	0.3					’13
		50	188	S				(’13)
		0.005	0.035		2B	1	2	’92
		0.02*	0.14*

Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcino- genicity	Class of sensitizing potential		Year of propo- sal
		ppm	mg/m3			Airway	Skin
Trichlorhon [52-68-6] o-Toluidine [95-53-4] 1,1,1-Trichloroethane [71-55-6] 1,1,2-Trichloroethane [79-00-5] Trichloroethylene [79-01-6] Trichlorofluoromethane [75-69-4] 1,1,2-Trichloro-1,2,2-trifluoroethane [76-13-1] Tricyclazole [41814-78-2] Trimellitic anhydride [552-30-7] 1,2,3-Trimethylbenzene [526-73-8] 1,2,4-Trimethylbenzene [95-63-6] 1,3,5-Trimethylbenzene [108-67-8] Trinitrotoluene (all isomers) Turpentine Vanadium compounds Ferrovanadium dust [12604-58-9] Vanadium pentaoxide [1314-62-1] Vinyl chloride [75-01-4] Xylene (all isomers and their mixture) Zinc oxide fume [1314-13-2]	C4H8Cl3O4P CH3C6H4NH2 Cl3CCH3 Cl2CHCH2Cl Cl2C=CHCl CCl3F Cl2FCCClF2 C9H7N3S HOOCC6H3(CO)2O C6H3(CH3)3 C6H3(CH3)3 C6H3(CH3)3 C6H2CH3(NO2)3 FeV dust V2O5 CH2=CHCl C6H4(CH3)2 ZnO	1 200 10 25 1,000* 500 —	0.2 4.4 1,100 55 135 5,600* 3,800 3	S S S S	2A 1†	1	2†	’10 ’91 ’74 (’78) ’15 ’87 ’87 ’90 ’15 ’84 ’84 ’84 ’93
		(Table I-2)
		25        120
		25        120
		25        120
		—        0.1
		50        280					1	’91
		—        1						’68
		—        0.05						’03
		2.5a        6.5a			1ψ			’75
		50        217						’01
		(pending)						’69

1. file:///C:\Users\lenovo\AppData\Local\Temp\ksohtml\wpsF53D.tmp.pngfile:///C:\Users\lenovo\AppData\Local\Temp\ksohtml\wpsF53E.tmp.pngppm: parts of vapors and gases per million of substance in air by volume at 25°C and atmospheric pressure (760 torr, 1,013 hPa); OELs in ppm are converted to those in mg/m3, in which the values are rounded off with 2 significant digits.

2. (    ) in the year of proposal column indicates that revision was done in the year without change of the OEL value.

3. *: Occupational Exposure Limit-Ceiling; exposure concentration must be kept below this level.

**: Fibers longer than 5 μm and with an aspect ratio equal to or greater than 3:1 as determined by the membrane filter method at 400 ×

magnification phase contrast illumination.

ψ: Substance whose OEL is set based on non-caninogenic health effects; see III.

a: Exposure concentration should be kept below a detectable limit though OEL is set at 2.5 ppm provisionally.

b: OEL for gasoline is 300 mg/m3, and an average molecular weight is assumed to be 72.5 for conversion to ppm unit.

c: Not applicable to women of child bearing potential.

†: Provisional.

Table I-2.   Occupational exposure limits for chemical substances (Provisional)

Substance [CAS No.]	Chemical formula	OEL		Skin absorp- tion	Class of carcinoge- nicity	Class of sensitizing potential		Year of proposal
		ppm	mg/m3			Airway	Skin
Atrazine [1912-24-9] Carbon disulfide [75-15-0] 1,4-Dichloro-2-butene [764-41-0] 1,4-Dioxane [123-91-1] Tetrahydrofuran [109-99-9] Trimellitic anhydride [552-30-7]	C8H14ClN5 CS2 C4H6Cl2 C4H8O2 C4H8O HOOCC6H3(CO)2O	1 0.002 1 50	2 3.13 3.6 148 0.0005 0.004*	S S S S	2B 2B	1		’15 ’15 ’15 ’15 ’15 ’15

See JSOH web site for brief summary of OEL documentation athttp://sanei.or.jp/oel-eng

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