|
Acetaldehyde |
乙醛 |
TWA 100
ppm (180 mg/m3)
ST 150 ppm (270
mg/m3) |
|
Acetic
anhydride |
乙酸酐 |
C 5 ppm
(20 mg/m3) |
|
Acetone |
丙酮 |
TWA 750
ppm (1800 mg/m3)
ST 1000 ppm (2400
mg/m3) |
|
Acetonitrile |
乙腈 |
TWA 40
ppm (70 mg/m3)
ST 60 ppm (105
mg/m3) |
|
Acetylsalicyclic
acid |
乙酰水杨酸 |
TWA 5
mg/m3 |
|
Acrolein |
丙烯醛 |
TWA 0.1
ppm (0.25 mg/m3)
ST 0.3 ppm (0.8
mg/m3) |
|
Acrylamide |
丙烯酰胺 |
TWA 0.03
mg/m3[皮] |
|
Acrylic
acid |
丙烯酸 |
TWA
10 ppm (30 mg/m3)[皮] |
|
Allyl
alcohol |
烯丙醇 |
TWA 2
ppm (5 mg/m3)
ST 4 ppm (10 mg/m3)[皮] |
|
Allyl
chloride |
烯丙基氯 |
TWA 1
ppm (3 mg/m3)
ST 2 ppm (6
mg/m3) |
|
Allyl
glycidyl ether |
烯丙基缩水甘油醚 |
TWA 5
ppm (22 mg/m3)
ST 10 ppm (44
mg/m3) |
|
Allyl
propyl disulfide |
烯丙基丙基二硫化物 |
TWA 2
ppm (12 mg/m3)
ST 3 ppm (18
mg/m3) |
|
α-Alumina |
α-氧化铝 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Aluminum
(pyro powders & welding fumes, as Al) |
铝（热解铝粉和焊接烟，按铝计） |
TWA 5
mg/m3 |
|
Aluminum
(soluble salts & alkyls, as Al) |
铝（可溶性盐及烷基铝合物，按铝计） |
TWA 2
mg/m3 |
|
Amitrole |
氨基三唑 |
TWA 0.2
mg/m3 |
|
Ammonia |
氨 |
ST 35
ppm (27 mg/m3) |
|
Ammonium
chloride fume |
氯化铵烟 |
TWA 10
mg/m3
ST 20 mg/m3 |
|
Ammonium
sulfamate |
氨基磺酸铵 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Aniline
(and homologs) |
苯胺及其同系物 |
TWA
2 ppm (8 mg/m3)[皮] |
|
Atrazine |
阿特拉津 |
TWA 5
mg/m3 |
|
Barium
sulfate |
硫酸钡 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Benomyl |
苯菌灵 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Benzenethiol |
苯(基)硫醇 |
TWA 0.5
ppm (2 mg/m3) |
|
Bismuth
telluride (doped with selenium sulfide, as
Bi2Te3) |
碲化铋（混有硫化硒，按Bi2Te3计） |
TWA 5
mg/m3 |
|
Borates,
tetra, sodium salts (Anhydrous) |
四硼酸钠(无水) |
TWA 10
mg/m3 |
|
Borates,
tetra, sodium salts (Decahydrate) |
十水四硼酸钠 |
TWA 10
mg/m3 |
|
Borates,
tetra, sodium salts (Pentahydrate) |
五水四硼酸钠 |
TWA 10
mg/m3 |
|
Boron
oxide |
氧化硼 |
TWA 10
mg/m3 |
|
Boron
tribromide |
三溴化硼 |
C 1 ppm
(10 mg/m3) |
|
Bromacil |
除草定 |
TWA 1
ppm (10 mg/m3) |
|
Bromine |
溴 |
TWA 0.1
ppm (0.7 mg/m3)
ST 0.3 ppm (2
mg/m3) |
|
Bromine
pentafluoride |
五氟化溴 |
TWA 0.1
ppm (0.7 mg/m3) |
|
n-Butane |
正丁烷 |
TWA 800
ppm (1900 mg/m3) |
|
2-Butanone |
2-丁酮 |
TWA 200
ppm (590 mg/m3)
ST 300 ppm (885
mg/m3) |
|
2-Butoxyethanol |
2-丁氧乙醇 |
TWA
25 ppm (120 mg/m3)[皮] |
|
n-Butyl
acetate |
乙酸正丁酯 |
TWA 150
ppm (710 mg/m3)
ST 200 ppm (950
mg/m3) |
|
Butyl
acrylate |
丙烯酸丁酯 |
TWA 10
ppm (55 mg/m3) |
|
n-Butyl
alcohol |
正丁醇 |
C 50 ppm
(150 mg/m3)[皮] |
|
sec-Butyl
alcohol |
仲丁醇 |
TWA 100
ppm (305 mg/m3) |
|
tert-Butyl
alcohol |
叔丁醇 |
TWA 100
ppm (300 mg/m3)
ST 150 ppm (450
mg/m3) |
|
n-Butyl
glycidyl ether |
正丁基缩水甘油醚 |
TWA 25
ppm (135 mg/m3) |
|
n-Butyl
lactate |
乳酸正丁酯 |
TWA 5
ppm (25 mg/m3) |
|
n-Butyl
mercaptan |
正丁基硫醇 |
TWA 0.5
ppm (1.5 mg/m3) |
|
o-sec-Butylphenol |
邻仲丁基苯酚 |
TWA
5 ppm (30 mg/m3)[皮] |
|
p-tert-
Butyltoluene |
对叔丁基甲苯 |
TWA 10
ppm (60 mg/m3)
ST 20 ppm (120
mg/m3) |
|
Calcium
cyanamide |
氰氨化钙 |
TWA 0.5
mg/m3 |
|
Caprolactam |
己内酰胺 |
尘 |
TWA 1
mg/m3
ST 3 mg/m3 |
|
蒸气 |
TWA 5
ppm (20 mg/m3)
ST 10 ppm (40
mg/m3) |
|
Captafol |
敌菌丹 |
TWA 0.1
mg/m3 |
|
Captan |
克菌丹 |
TWA 5
mg/m3 |
|
Carbofuran |
克百威 |
TWA 0.1
mg/m3 |
|
Carbon
dioxide |
二氧化碳 |
TWA
10,000 ppm (18,000 mg/m3)
ST 30,000 ppm (54,000
mg/m3) |
|
Carbon
disulfide |
二硫化碳 |
TWA 4
ppm (12 mg/m3)
ST 12 ppm (36 mg/m3)[皮] |
|
Carbon
monoxide |
一氧化碳 |
TWA 35
ppm (40 mg/m3)
C 200 ppm (229
mg/m3) |
|
Carbon
tetrabromide |
四溴化碳 |
TWA 0.1
ppm (1.4 mg/m3)
ST 0.3 ppm (4
mg/m3) |
|
Carbon
tetrachloride |
四氯化碳 |
TWA 2
ppm (12.6 mg/m3) |
|
Carbonyl
fluoride |
羰基氟 |
TWA 2
ppm (5 mg/m3)
ST 5 ppm (15
mg/m3) |
|
Catechol |
儿茶酚 |
TWA
5 ppm (20 mg/m3)[皮] |
|
Cesium
hydroxide |
氢氧化铯 |
TWA 2
mg/m3 |
|
Chlorinated
camphene |
氯化莰 |
TWA 0.5
mg/m3
ST 1 mg/m3[皮] |
|
Chlorine |
氯 |
TWA 0.5
ppm (1.5 mg/m3)
ST 1 ppm (3
mg/m3) |
|
Chlorine
dioxide |
二氧化氯 |
TWA 0.1
ppm (0.3 mg/m3)
ST 0.3 ppm (0.9
mg/m3) |
|
Chloroacetyl
chloride |
氯乙酰氯 |
TWA 0.05
ppm (0.2 mg/m3) |
|
o-Chlorobenzylidene
malononitrile |
邻氯苄叉丙二腈 |
C 0.05
ppm (0.4 mg/m3)[皮] |
|
Chlorodifluoromethane |
一氯二氟甲烷 |
TWA 1000
ppm (3500 mg/m3) |
|
Chloroform |
氯仿 |
TWA 2
ppm (9.78 mg/m3) |
|
1-Chloro-1-nitropropane |
1-氯-1-硝基丙烷 |
TWA 2
ppm (10 mg/m3) |
|
Chloropentafluoroethane |
一氯五氟乙烷 |
TWA 1000
ppm (6320 mg/m3) |
|
β-Chloroprene |
β-氯丁二烯 |
TWA
10 ppm (35 mg/m3)[皮] |
|
o-Chlorostyrene |
邻氯苯乙烯 |
TWA 50
ppm (285 mg/m3)
ST 75 ppm (428
mg/m3) |
|
o-Chlorotoluene |
邻氯甲苯 |
TWA 50
ppm (250 mg/m3) |
|
Chlorpyrifos |
毒死蜱 |
TWA 0.2
mg/m3[皮] |
|
Coal
dust |
煤尘 |
TWA 2
mg/m3 (<5% SiO2)( 呼吸性尘)
TWA
0.1 mg/m3 (³5%
SiO2) (呼吸性石英) |
|
Cobalt
metal dust & fume (as Co) |
钴金属烟和尘（按钴计） |
TWA 0.05
mg/m3 |
|
Cobalt
carbonyl (as Co) |
羰基钴（按钴计） |
TWA 0.1
mg/m3 |
|
Cobalt
hydrocarbonyl (as Co) |
羰基氢钴（按钴计） |
TWA 0.1
mg/m3 |
|
Crag®
herbicide |
Crag®除草剂 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Crufomate |
育畜磷 |
TWA 5
mg/m3 |
|
Cyanamide |
氨基腈 |
TWA 2
mg/m3 |
|
Cyanogen |
氰 |
TWA 10
ppm (20 mg/m3) |
|
Cyanogen
chloride |
氯化氰 |
C 0.3
ppm (0.6 mg/m3) |
|
Cyclohexanol |
环己醇 |
TWA
50 ppm (200 mg/m3)[皮] |
|
Cyclohexanone |
环己酮 |
TWA
25 ppm (100 mg/m3)[皮] |
|
Cyclohexylamine |
环己胺 |
TWA 10
ppm (40 mg/m3) |
|
Cyclonite |
三次甲基三硝基胺 |
TWA 1.5
mg/m3[皮] |
|
Cyclopentane |
环戊烷 |
TWA 600
ppm (1720 mg/m3) |
|
Cyhexatin |
环己锡 |
TWA 5
mg/m3 |
|
Decaborane |
十硼烷 |
TWA 0.3
mg/m3 (0.05 ppm)
ST 0.9 mg/m3 (0.15
ppm)[皮] |
|
Diazinon® |
二嗪农® |
TWA 0.1
mg/m3 [皮] |
|
2-N-Dibutylaminoethanol |
2-N-二丁氨基乙醇 |
TWA 2
ppm (14 mg/m3) |
|
Dibutyl
phosphate |
磷酸二丁酯 |
TWA 1
ppm (5 mg/m3)
ST 2 ppm (10
mg/m3) |
|
Dichloroacetylene |
二氯代乙炔 |
C 0.1
ppm (0.4 mg/m3) |
|
p-Dichlorobenzene |
对二氯苯 |
TWA 75
ppm (450 mg/m3)
ST 110 ppm (675
mg/m3) |
|
1,3-Dichloro-5,5-dimethylhydantoin |
1,3-二氯-5,5-二甲基乙内酰脲 |
TWA 0.2
mg/m3
ST 0.4 mg/m3 |
|
Dichloroethyl
ether |
二氯乙醚 |
TWA 5
ppm (30 mg/m3)
ST 10 ppm (60 mg/m3)[皮] |
|
Dichloromonofluoromethane |
二氯一氟甲烷 |
TWA 10
ppm (40 mg/m3) |
|
1,1-Dichloro-1-nitroethane |
1,1-二氯-1-硝基乙烷 |
TWA 2
ppm (10 mg/m3) |
|
1,3-Dichloropropene |
1,3-二氯丙烯 |
TWA
1 ppm (5 mg/m3)[皮] |
|
2,2-Dichloropropionic
acid |
2,2-二氯丙酸 |
TWA 1
ppm (6 mg/m3) |
|
Dicrotophos |
百治磷 |
TWA 0.25
mg/m3[皮] |
|
Dicyclopentadiene |
二环戊二烯 |
TWA 5
ppm (30 mg/m3) |
|
Dicyclopentadienyl
iron |
二茂铁 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Diethanolamine |
二乙醇胺 |
TWA 3
ppm (15 mg/m3) |
|
Diethylamine |
二乙胺 |
TWA 10
ppm (30 mg/m3)
ST 25 ppm (75
mg/m3) |
|
Diethylenetriamine |
二乙烯三胺 |
TWA 1
ppm (4 mg/m3) |
|
Diethyl
ketone |
二乙基甲酮 |
TWA 200
ppm (705 mg/m3) |
|
Diethyl
phthalate |
邻苯二甲酸二乙酯 |
TWA 5
mg/m3 |
|
Diglycidyl
ether |
二缩水甘油谜 |
TWA 0.1
ppm (0.5 mg/m3) |
|
Diisobutyl
ketone |
二异丁基甲酮 |
TWA 25
ppm (150 mg/m3) |
|
N,N-Dimethylaniline |
N,N-二甲基苯胺 |
TWA 5
ppm (25 mg/m3)
ST 10 ppm (50 mg/m3)[皮] |
|
Dimethyl-1,2-dibromo-2,2-dichlorethyl
phosphate |
二甲基-1,2-二溴-2,2-二氯乙基磷酸酯 |
TWA 3
mg/m3[皮] |
|
Dimethyl
sulfate |
硫酸二甲酯 |
TWA
0.1 ppm (0.5 mg/m3)[皮] |
|
Dinitolmide |
二硝托胺 |
TWA 5
mg/m3 |
|
Di-sec
octyl phthalate |
邻苯二甲酸二仲辛酯 |
TWA 5
mg/m3
ST 10 mg/m3 |
|
Dioxane |
二噁烷 |
TWA
25 ppm (90 mg/m3)[皮] |
|
Dioxathion |
敌杀磷 |
TWA 0.2
mg/m3[皮] |
|
Diphenylamine |
二苯胺 |
TWA 10
mg/m3 |
|
Dipropylene
glycol methyl ether |
二丙二醇甲醚 |
TWA 100
ppm (600 mg/m3)
ST 150 ppm (900
mg/m3)[皮] |
|
Dipropyl
ketone |
二丙基甲酮 |
TWA 50
ppm (235 mg/m3) |
|
Diquat
(Diquat dibromide) |
敌草快 |
TWA 0.5
mg/m3 |
|
Disulfiram |
戒酒硫 |
TWA 2
mg/m3 |
|
Disulfoton |
乙拌磷 |
TWA 0.1
mg/m3[皮] |
|
2,6-Di-tert-butyl-p-cresol |
2,6-二叔丁基对甲酚 |
TWA 10
mg/m3 |
|
Diuron |
敌草隆 |
TWA 10
mg/m3 |
|
Divinyl
benzene |
二乙烯（基）苯 |
TWA 10
ppm (50 mg/m3) |
|
Emery |
金刚砂 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Endosulfan |
硫丹 |
TWA 0.1
mg/m3[皮] |
|
Epichlorohydrin |
环氧氯丙烷 |
TWA
2 ppm (8 mg/m3)[皮] |
|
Ethanolamine |
乙醇胺 |
TWA 3
ppm (8 mg/m3)
ST 6 ppm (15
mg/m3) |
|
Ethion |
乙硫磷 |
TWA 0.4
mg/m3[皮] |
|
Ethyl
acrylate |
丙烯酸乙酯 |
TWA 5
ppm (20 mg/m3)
ST 25 ppm (100 mg/m3)[皮] |
|
Ethyl
benzene |
乙苯 |
TWA 100
ppm (435 mg/m3)
ST 125 ppm (545
mg/m3) |
|
Ethyl
bromide |
溴乙烷 |
TWA 200
ppm (890 mg/m3)
ST 250 ppm (1110
mg/m3) |
|
Ethylene
chlorohydrin |
氯乙醇 |
C 1 ppm
(3 mg/m3)[皮] |
|
Ethylene
dichloride |
二氯乙烷 |
TWA 1
ppm (4 mg/m3)
ST 2 ppm (8
mg/m3) |
|
Ethylene
glycol |
乙二醇 |
C 50 ppm
(125 mg/m3) |
|
Ethylene
glycol dinitrate |
乙二醇二硝酸酯 |
ST 0.1
mg/m3[皮] |
|
Ethyl
ether |
乙醚 |
TWA 400
ppm (1200 mg/m3)
ST 500 ppm (1500
mg/m3) |
|
Ethylidene
norbornene |
亚乙基降冰片烯 |
C 5 ppm
(25 mg/m3) |
|
Ethyl
mercaptan |
乙硫醇 |
TWA 0.5
ppm (1 mg/m3) |
|
N-Ethylmorpholine |
N-乙基吗啡啉 |
TWA
5 ppm (23 mg/m3)[皮] |
|
Ethyl
silicate |
硅酸乙酯 |
TWA 10
ppm (85 mg/m3) |
|
Fenamiphos |
苯线磷 |
TWA 0.1
mg/m3[皮] |
|
Fensulfothion |
辛索磷 |
TWA 0.1
mg/m3 |
|
Fenthion |
倍硫磷 |
TWA 0.2
mg/m3[皮] |
|
Ferbam |
福美铁 |
TWA 10
mg/m3 |
|
Ferrovanadium
dust |
钒铁尘 |
TWA 1
mg/m3
ST 3 mg/m3 |
|
Fluorotrichloromethane |
氟三氯甲烷 |
C 1000
ppm (5600 mg/m3) |
|
Fonofos |
地虫磷 |
TWA 0.1
mg/m3[皮] |
|
Formamide |
甲酰胺 |
TWA 20
ppm (30 mg/m3)
ST 30 ppm (45
mg/m3) |
|
Furfural |
糠醛 |
TWA
2 ppm (8 mg/m3)[皮] |
|
Furfuryl
alcohol |
糠醇 |
TWA 10
ppm (40 mg/m3)
ST 15 ppm (60 mg/m3)[皮] |
|
Gasoline |
汽油 |
TWA 300
ppm (900 mg/m3)
ST 500 ppm (1500
mg/m3) |
|
Germanium
tetrahydride |
四氢化锗 |
TWA 0.2
ppm (0.6 mg/m3) |
|
Glutaraldehyde |
戊二醛 |
C 0.2
ppm (0.8 mg/m3) |
|
Glycerin
(mist) |
丙三醇（雾） |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Glycidol |
缩水甘油 |
TWA 25
ppm (75 mg/m3) |
|
Graphite
(natural) |
石墨（天然） |
TWA 2.5
mg/m3 (呼吸性颗粒物) |
|
Graphite
(synthetic) |
石墨（合成） |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
n-Heptane |
正庚烷 |
TWA 400
ppm (1600 mg/m3)
ST 500 ppm (2000
mg/m3) |
|
Hexachlorobutadiene |
六氯丁二烯 |
TWA 0.02
ppm (0.24 mg/m3) |
|
Hexachlorocyclopentadiene |
六氯环戊二烯 |
TWA 0.01
ppm (0.1 mg/m3) |
|
Hexafluoroacetone |
六氟丙酮 |
TWA
0.1 ppm (0.7 mg/m3)[皮] |
|
n-Hexane |
正己烷 |
TWA 50
ppm (180 mg/m3) |
|
Hexane
isomers (except n-Hexane) |
己烷异构体（除正己烷外） |
TWA 500
ppm (1800 mg/m3)
ST 1000 ppm (3600
mg/m3) |
|
2-Hexanone |
2-己酮 |
TWA 5
ppm (20 mg/m3) |
|
Hexone |
异己酮 |
TWA 50
ppm (205 mg/m3)
ST 75 ppm (300
mg/m3) |
|
Hexylene
glycol |
己二醇 |
C 25 ppm
(125 mg/m3) |
|
Hydrazine |
肼 |
TWA
0.1 ppm (0.1 mg/m3)[皮] |
|
Hydrogenated
terphenyls |
氢化三联苯 |
TWA 0.5
ppm (5 mg/m3) |
|
Hydrogen
bromide |
溴化氢 |
C 3 ppm
(10 mg/m3) |
|
Hydrogen
cyanide |
氰化氢 |
ST 4.7
ppm (5 mg/m3)[皮] |
|
Hydrogen
fluoride (as F) |
氟化氢（按氟计） |
TWA 3
ppm
ST 6 ppm |
|
Hydrogen
sulfide |
硫化氢 |
TWA 10
ppm (14 mg/m3)
ST 15 ppm (21
mg/m3) |
|
2-Hydroxypropyl
acrylate |
丙烯酸2-羟丙酯 |
TWA
0.5 ppm (3 mg/m3)[皮] |
|
Indene |
茚 |
TWA 10
ppm (45 mg/m3) |
|
Indium |
铟 |
TWA 0.1
mg/m3 |
|
Iodoform |
碘仿 |
TWA 0.6
ppm (10 mg/m3) |
|
Iron
pentacarbonyl (as Fe) |
五羰基铁（按铁计） |
TWA 0.1
ppm (0.8 mg/m3)
ST 0.2 ppm (1.6
mg/m3) |
|
Iron
salts (soluble, as Fe) |
铁盐（可溶，按铁计） |
TWA 1
mg/m3 |
|
Isoamyl
alcohol (primary & secondary) |
异戊醇（伯醇和仲醇） |
TWA 100
ppm (360 mg/m3)
ST 125 ppm (450
mg/m3) |
|
Isobutane |
异丁烷 |
TWA 800
ppm (1900 mg/m3) |
|
Isobutyl
alcohol |
异丁醇 |
TWA 50
ppm (150 mg/m3) |
|
Isooctyl
alcohol |
异辛醇 |
TWA
50 ppm (270 mg/m3)[皮] |
|
Isophorone |
异佛尔酮 |
TWA 4
ppm (23 mg/m3) |
|
Isophorone
diisocyanate |
异佛尔酮二异氰酸酯 |
TWA
0.005 ppm
ST 0.02 ppm[皮] |
|
2-Iso
propoxyethanol |
2-异丙氧基乙醇 |
TWA 25
ppm (105 mg/m3) |
|
Isopropyl
acetate |
乙酸异丙酯 |
TWA 250
ppm (950 mg/m3)
ST 310 ppm (1185
mg/m3) |
|
Isopropyl
alcohol |
异丙醇 |
TWA 400
ppm (980 mg/m3)
ST 500 ppm (1225
mg/m3) |
|
Isopropylamine |
异丙胺 |
TWA 5
ppm (12 mg/m3)
ST 10 ppm (24
mg/m3) |
|
N-Isopropylaniline |
N-异丙基苯胺 |
TWA
2 ppm (10 mg/m3)[皮] |
|
Isopropyl
glycidyl ether |
异丙基缩水甘油醚 |
TWA 50
ppm (240 mg/m3)
ST 75 ppm (360
mg/m3) |
|
Kaolin |
高岭土 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Ketene |
乙烯酮 |
TWA 0.5
ppm (0.9 mg/m3)
ST 1.5 ppm (3
mg/m3) |
|
Magnesium
oxide fume |
氧化镁烟 |
TWA 10
mg/m3 |
|
Malathion |
马拉硫磷 |
TWA 10
mg/m3[皮] |
|
Manganese
compounds and fume (as Mn) |
锰化合物及其烟（按锰计） |
化合物 |
C 5
mg/m3
|
|
烟 |
TWA 1
mg/m3
ST 3 mg/m3 |
|
Manganese
cyclopentadienyl tricarbonyl (as Mn) |
三羰基环戊二烯合锰（按锰计） |
TWA 0.1
mg/m3[皮] |
|
Manganese
tetroxide (as Mn) |
四氧化锰（按锰计） |
TWA 1
mg/m3 |
|
Mercury
compounds, as Hg [except(organo) alkyls] |
汞化合物（不包括烷基汞）（按汞计） |
汞蒸气
|
TWA 0.05
mg/m3[皮]
|
|
非烷基化合物
|
C 0.1
mg/m3[皮] |
|
Mercury
(organo) alkyls compounds （as Hg
） |
烷基汞化合物（按汞计）
|
TWA
0.01mg/m3]
C0.03
mg/m3[皮] |
|
Mesityl
oxide |
异亚丙基丙酮 |
TWA 15
ppm (60 mg/m3)
ST 25 ppm (100
mg/m3) |
|
Methacrylic
acid |
甲基丙烯酸 |
TWA
20 ppm (70 mg/m3)[皮] |
|
Methomyl |
灭多虫 |
TWA 2.5
mg/m3 |
|
Methoxychlor |
甲氧氯 |
TWA 10
mg/m3 |
|
4-Methoxyphenol |
4-甲氧基苯酚 |
TWA 5
mg/m3 |
|
Methyl
acetate |
乙酸甲酯 |
TWA 200
ppm (610 mg/m3)
ST 250 ppm (760
mg/m3) |
|
Methyl
acetylene-propadiene mixture |
丙炔-丙二烯混合物 |
TWA 1000
ppm (1800 mg/m3)
ST 1250 ppm (2250
mg/m3) |
|
Methylacrylonitrile |
甲基丙烯腈 |
TWA
1 ppm (3 mg/m3)[皮] |
|
Methyl
alcohol |
甲醇 |
TWA 200
ppm (260 mg/m3)
ST 250 ppm (325
mg/m3)[皮] |
|
Methyl
bromide |
溴甲烷 |
TWA
5 ppm (20 mg/m3)[皮] |
|
Methyl
chloride |
氯甲烷 |
TWA 50
ppm (105 mg/m3)
ST 100 ppm (210
mg/m3) |
|
Methyl
chloroform |
甲基氯仿 |
TWA 350
ppm (1900 mg/m3)
ST 450 ppm (2450
mg/m3) |
|
Methyl-2-cyanoacrylate |
2-氰基丙烯酸甲酯 |
TWA 2
ppm (8 mg/m3)
ST 4 ppm (16
mg/m3) |
|
Methylcyclohexane |
甲基环己烷 |
TWA 400
ppm (1600 mg/m3) |
|
Methylcyclohexanol |
甲基环己醇 |
TWA 50
ppm (235 mg/m3) |
|
o-Methylcyclohexanone |
邻甲基环己酮 |
TWA 50
ppm (230 mg/m3)
ST 75 ppm (345
mg/m3)[皮] |
|
Methyl
cyclopentadienyl manganese tricarbonyl (as Mn) |
甲基环戊二烯三羰基锰（按锰计） |
TWA 0.2
mg/m3[皮] |
|
Methyl
demeton |
甲基内吸磷 |
TWA 0.5
mg/m3[皮] |
|
4,4'-Methylenebis(2-chloroaniline) |
4,4'-亚甲基双（2-氯苯胺） |
TWA
0.02 ppm (0.22 mg/m3)[皮] |
|
Methylene
bis(4-cyclohexylisocyanate) |
亚甲基二（4-环己基异氰酸酯） |
C 0.01
ppm (0.11 mg/m3)[皮] |
|
Methyl
ethyl ketone peroxide |
过氧化甲乙酮 |
C 0.7
ppm (5 mg/m3) |
|
Methyl
formate |
甲酸甲酯 |
TWA 100
ppm (250 mg/m3)
ST 150 ppm (375
mg/m3) |
|
Methyl
iodide |
碘甲烷 |
TWA
2 ppm (10 mg/m3)[皮] |
|
Methyl
isoamyl ketone |
甲基异戊基甲酮 |
TWA 50
ppm (240 mg/m3) |
|
Methyl
isobutyl carbinol |
甲基异丁基甲醇 |
TWA 25
ppm (100 mg/m3)
ST 40 ppm (165
mg/m3)[皮] |
|
Methyl
isopropyl ketone |
甲基异丙基甲酮 |
TWA 200
ppm (705 mg/m3) |
|
Methyl
mercaptan |
甲(基)硫醇 |
TWA 0.5
ppm (1 mg/m3) |
|
Methyl
parathion |
甲基对硫磷 |
TWA 0.2
mg/m3[皮] |
|
Methyl
silicate |
硅酸甲酯 |
TWA 1
ppm (6 mg/m3) |
|
α-Methyl
styrene |
α-甲基苯乙烯 |
TWA 50
ppm (240 mg/m3)
ST 100 ppm (485
mg/m3) |
|
Metribuzin |
嗪草酮 |
TWA 5
mg/m3 |
|
Mica |
云母 |
TWA 3
mg/m3 (呼吸性颗粒物) |
|
Molybdenum
(insoluble compounds, as Mo) |
钼（不溶性化合物，按钼计） |
TWA 10
mg/m3 |
|
Monocrotophos |
久效磷 |
TWA 0.25
mg/m3 |
|
Monomethyl
aniline |
甲基苯胺 |
TWA
0.5 ppm (2 mg/m3)[皮] |
|
Morpholine |
吗啉 |
TWA 20
ppm (70 mg/m3)
ST 30 ppm (105 mg/m3)[皮] |
|
Naphthalene |
萘 |
TWA 10
ppm (50 mg/m3)
ST 15 ppm (75
mg/m3) |
|
Nickel
metal & other compounds (as Ni) |
金属镍及其化合物（按镍计） |
金属镍及其不溶性化合物 |
TWA 1
mg/m3
|
|
可溶性化合物 |
TWA 0.1
mg/m3 |
|
Nitric
acid |
硝酸 |
TWA 2
ppm (5 mg/m3)
ST 4 ppm (10
mg/m3) |
|
p-Nitroaniline |
对硝基苯胺 |
TWA 3
mg/m3[皮] |
|
Nitrogen
dioxide |
二氧化氮 |
ST 1 ppm
(1.8 mg/m3) |
|
Nitroglycerine |
硝化甘油 |
ST 0.1
mg/m3[皮] |
|
2-Nitropropane |
2-硝基丙烷 |
TWA 10
ppm (35 mg/m3) |
|
Nitrotoluene
(o-, m-, p-isomers) |
硝基甲苯（邻、间、对异构体） |
TWA
2 ppm (11 mg/m3)[皮] |
|
Nonane |
壬烷 |
TWA 200
ppm (1050 mg/m3) |
|
Octachloronaphthalene |
八氯萘 |
TWA 0.1
mg/m3
ST 0.3 mg/m3[皮] |
|
Octane |
辛烷 |
TWA 300
ppm (1450 mg/m3)
ST 375 ppm (1800
mg/m3) |
|
Osmium
tetroxide (as Os) |
四氧化锇（按锇计） |
TWA
0.002 mg/m3 (0.0002 ppm)
ST 0.006 mg/m3 (0.0006
ppm) |
|
Oxalic
acid |
草酸 |
TWA 1
mg/m3
ST 2 mg/m3 |
|
Oxygen
difluoride |
二氟化氧 |
C 0.05
ppm (0.1 mg/m3) |
|
Ozone |
臭氧 |
TWA 0.1
ppm (0.2 mg/m3)
ST 0.3 ppm (0.6
mg/m3) |
|
Paraffin
wax fume |
石蜡烟 |
TWA 2
mg/m3 |
|
Paraquat |
百草枯 |
TWA 0.1
mg/m3 (呼吸性颗粒物)[皮] |
|
Pentaborane |
戊硼烷 |
TWA
0.005 ppm (0.01 mg/m3)
ST 0.015 ppm (0.03
mg/m3) |
|
Pentaerythritol |
季戊四醇 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
n-Pentane |
正戊烷 |
TWA 600
ppm (1800 mg/m3)
ST 750 ppm (2250
mg/m3) |
|
2-Pentanone |
2-戊酮 |
TWA 200
ppm (700 mg/m3)
ST 250 ppm (875
mg/m3) |
|
Perchloryl
fluoride |
氟化过氯氧 |
TWA 3
ppm (14 mg/m3)
ST 6 ppm (28
mg/m3) |
|
Petroleum
distillates (naphtha) |
石油馏出物（石脑油） |
TWA 400
ppm (1600 mg/m3) |
|
Phenothiazine |
吩噻嗪 |
TWA 5
mg/m3[皮] |
|
Phenyl
glycidyl ether |
苯基缩水甘油醚 |
TWA 1
ppm (6 mg/m3) |
|
Phenylhydrazine |
苯肼 |
TWA 5
ppm (20 mg/m3)
ST 10 ppm (45 mg/m3)[皮] |
|
Phenylphosphine |
苯膦 |
C 0.05
ppm (0.25 mg/m3) |
|
Phorate |
甲拌磷 |
TWA 0.05
mg/m3
ST 0.2 mg/m3[皮] |
|
Phosdrin |
速灭磷 |
TWA 0.01
ppm (0.1 mg/m3)
ST 0.03 ppm (0.3
mg/m3)[皮] |
|
Phosphine |
磷化氢 |
TWA 0.3
ppm (0.4 mg/m3)
ST 1 ppm (1
mg/m3) |
|
Phosphoric
acid |
磷酸 |
TWA 1
mg/m3
ST 3 mg/m3 |
|
Phosphorus
oxychloride |
三氯氧磷 |
TWA 0.1
ppm (0.6 mg/m3) |
|
Phosphorus
pentasulfide |
五硫化二磷 |
TWA 1
mg/m3
ST 3 mg/m3 |
|
Phosphorus
trichloride |
三氯化磷 |
TWA 0.2
ppm (1.5 mg/m3)
ST 0.5 ppm (3
mg/m3) |
|
Phthalic
anhydride |
邻苯二甲酸酐 |
TWA 6
mg/m3 (1 ppm) |
|
m-Phthalodinitrile |
间酞二甲腈 |
TWA 5
mg/m3 |
|
Picloram |
毒莠定 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Piperazine
dihydrochloride |
哌嗪二盐酸盐 |
TWA 5
mg/m3 |
|
Platinum
metal (as Pt) |
铂金属（按铂计） |
TWA 1
mg/m3 |
|
Portland
cement |
硅酸盐水泥 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Potassium
hydroxide |
氢氧化钾 |
TWA 2
mg/m3 |
|
Propargyl
alcohol |
炔丙醇 |
TWA
1 ppm (2 mg/m3)[皮] |
|
Propionic
acid |
丙酸 |
TWA 10
ppm (30 mg/m3) |
|
Propoxur |
残杀威 |
TWA 0.5
mg/m3 |
|
n-Propyl
acetate |
乙酸正丙酯 |
TWA 200
ppm (840 mg/m3)
ST 250 ppm (1050
mg/m3) |
|
n-Propyl
alcohol |
正丙醇 |
TWA 200
ppm (500 mg/m3)
ST 250 ppm (625
mg/m3) |
|
Propylene
dichloride |
二氯丙烷 |
TWA 75
ppm (350 mg/m3)
ST 110 ppm (510
mg/m3) |
|
Propylene
glycol dinitrate |
二硝酸丙二酯 |
TWA 0.05
ppm (0.3 mg/m3) |
|
Propylene
glycol monomethyl ether |
丙二醇甲醚 |
TWA 100
ppm (360 mg/m3)
ST 150 ppm (540
mg/m3) |
|
Propylene
oxide |
环氧丙烷 |
TWA 20
ppm (50 mg/m3) |
|
n-Propyl
nitrate |
硝酸正丙酯 |
TWA 25
ppm (105 mg/m3)
ST 40 ppm (170
mg/m3) |
|
Resorcinol |
间苯二酚 |
TWA 10
ppm (45 mg/m3)
ST 20 ppm (90
mg/m3) |
|
Ronnel |
皮蝇磷 |
TWA 10
mg/m3 |
|
Rosin
core solder, pyrolysis products (as formaldehyde) |
松香焊接剂，高温分解产物（按甲醛计） |
TWA 0.1
mg/m3 |
|
Rouge |
三氧化二铁 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Silica,
amorphous |
无定型二氧化硅 |
TWA
6 mg/m3
TWA 0.1 mg/m3 (熔融的) |
|
Silica,
crystalline (as respirable dust) |
结晶型二氧化硅（按呼尘计） |
TWA 0.05
mg/m3 (方石英)
TWA
0.05 mg/m3 (磷石英)
TWA
0.1 mg/m3 (石英)
TWA
0.1 mg/m3 (硅藻土) |
|
Silicon |
硅 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Silicon
carbide |
碳化硅 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Silicon
tetrahydride |
四氢化硅 |
TWA 5
ppm (7 mg/m3) |
|
Soapstone |
皂石 |
TWA 6
mg/m3 (总颗粒物)
TWA
3 mg/m3 (呼吸性颗粒物) |
|
Sodium
azide |
叠氮化钠 |
C 0.1
ppm (按HN3计)[皮]
C
0.3 mg/m3 (按NaN3计)[皮] |
|
Sodium
bisulfite |
亚硫酸氢钠 |
TWA 5
mg/m3 |
|
Sodium
fluoroacetate |
氟乙酸钠 |
TWA 0.05
mg/m3
ST 0.15 mg/m3[皮] |
|
Sodium
hydroxide |
氢氧化钠 |
C 2
mg/m3 |
|
Sodium
metabisulfite |
焦亚硫酸钠 |
TWA 5
mg/m3 |
|
Stoddard
solvent |
史图达溶剂 |
TWA 525
mg/m3 (100 ppm) |
|
Styrene |
苯乙烯 |
TWA 50
ppm (215 mg/m3)
ST 100 ppm (425
mg/m3) |
|
Subtilisins |
枯草杆菌蛋白酶 |
ST
0.00006 mg/m3（60min) |
|
Sulfur
dioxide |
二氧化硫 |
TWA 2
ppm (5 g/m3)
ST 5 ppm (13
mg/m3) |
|
Sulfur
monochloride |
一氯化硫 |
C 1 ppm
(6 mg/m3) |
|
Sulfur
tetrafluoride |
四氟化硫 |
C 0.1
ppm (0.4 mg/m3) |
|
Sulfuryl
fluoride |
硫酰氟 |
TWA 5
ppm (20 mg/m3)
ST 10 ppm (40
mg/m3) |
|
Sulprofos |
硫丙磷 |
TWA 1
mg/m3 |
|
Talc |
滑石 |
TWA 2
mg/m3 (呼吸性颗粒物) |
|
Temephos |
双硫磷 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Terphenyl
(o-, m-, p-isomers) |
三联苯（邻、间、对异构体） |
C 5
mg/m3 (0.5 ppm) |
|
1,1,2,2-Tetrachloroethane |
1,1,2,2-四氯乙烷 |
TWA
1 ppm (7 mg/m3)[皮] |
|
Tetrachloroethylene |
四氯乙烯 |
TWA 25
ppm (170 mg/m3) |
|
Tetrahydrofuran |
四氢呋喃 |
TWA 200
ppm (590 mg/m3)
ST 250 ppm (735
mg/m3) |
|
Tetrasodium
pyrophosphate |
焦磷酸四钠 |
TWA 5
mg/m3 |
|
4,4'-Thiobis(6-tert-butyl-m-cresol) |
4,4'-硫代双（6-叔丁基间甲酚） |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Thioglycolic
acid |
巯基乙酸 |
TWA
1 ppm (4 mg/m3)[皮] |
|
Thionyl
chloride |
亚硫酰氯 |
C 1 ppm
(5 mg/m3) |
|
Tin
(organic compounds, as Sn) |
锡（有机化合物，按锡计） |
TWA 0.1
mg/m3[皮] |
|
Tin(II)
oxide (as Sn) |
一氧化锡（II价，按锡计） |
TWA 2
mg/m3 |
|
Tin(IV)
oxide (as Sn) |
二氧化锡（IV价，按锡计） |
TWA 2
mg/m3 |
|
Titanium
dioxide |
二氧化钛 |
TWA 10
mg/m3 |
|
Toluene |
甲苯 |
TWA 100
ppm (375 mg/m3)
ST 150 ppm (560
mg/m3) |
|
Toluene-2,4-diisocyanate |
甲苯-2,4-二异氰酸酯 |
TWA
0.005 ppm (0.04 mg/m3)
ST 0.02 ppm (0.15
mg/m3) |
|
m-Toluidine |
间甲苯胺 |
TWA
2 ppm (9 mg/m3)[皮] |
|
p-Toluidine |
对甲苯胺 |
TWA
2 ppm (9 mg/m3)[皮] |
|
Tributyl
phosphate |
磷酸三丁酯 |
TWA 0.2
ppm (2.5 mg/m3) |
|
Trichloroacetic
acid |
三氯乙酸 |
TWA 1
ppm (7 mg/m3) |
|
1,2,4-Trichlorobenzene |
1,2,4-三氯苯 |
C 5 ppm
(40 mg/m3) |
|
Trichloroethylene |
三氯乙烯 |
TWA 50
ppm (270 mg/m3)
ST 200 ppm (1080
mg/m3) |
|
1,2,3-Trichloropropane |
1,2,3-三氯丙烷 |
TWA 10
ppm (60 mg/m3) |
|
1,1,2-Trichloro-1,2,2-trifluoroethane |
1,1,2-三氯-1,2,2-三氟乙烷 |
TWA 1000
ppm (7600 mg/m3)
ST 1250 ppm (9500
mg/m3) |
|
Triethylamine |
三乙胺 |
TWA 10
ppm (40 mg/m3)
ST 15 ppm (60
mg/m3) |
|
Trimellitic
anhydride |
偏苯三甲酸酐 |
TWA
0.005 ppm (0.04 mg/m3) |
|
Trimethylamine |
三甲胺 |
TWA 10
ppm (24 mg/m3)
ST 15 ppm (36
mg/m3) |
|
1,2,3-Trimethylbenzene |
1,2,3-三甲基苯 |
TWA 25
ppm (125 mg/m3) |
|
1,2,4-Trimethylbenzene |
1,2,4-三甲基苯 |
TWA 25
ppm (125 mg/m3) |
|
1,3,5-Trimethylbenzene |
1,3,5-三甲基苯 |
TWA 25
ppm (125 mg/m3) |
|
Trimethyl
phosphate |
亚磷酸三甲酯 |
TWA 2
ppm (10 mg/m3) |
|
2,4,6-Trinitrotoluene |
2,4,6-三硝基甲苯 |
TWA 0.5
mg/m3[皮] |
|
Triorthocresyl
phosphate |
磷酸三邻甲苯酯 |
TWA 0.1
mg/m3[皮] |
|
Triphenylamine |
三苯胺 |
TWA 5
mg/m3 |
|
Tungsten
(insoluble compounds, as W) |
钨（不溶性化合物,按钨计） |
TWA 5
mg/m3
ST 10 mg/m3 |
|
Tungsten
(soluble compounds, as W) |
钨（可溶性化合物,按钨计） |
TWA 1
mg/m3
ST 3 mg/m3 |
|
Tungsten
carbide (cemented) |
碳化钨（烧结的） |
TWA 5
mg/m3 (按钨计)
ST
10 mg/m3 (按钨计)
TWA
0.05 mg/m3按钴计)
TWA
1 mg/m3 (按镍计) |
|
Uranium
(insoluble compounds, as U) |
铀（不溶性化合物,按铀计） |
TWA 0.2
mg/m3
ST 0.6 mg/m3 |
|
n-Valeraldehyde |
正戊醛 |
TWA 50
ppm (175 mg/m3) |
|
Vanadium
dust |
钒尘 |
TWA 0.05
mg /m3 (按V2O5计)(呼吸性颗粒物) |
|
Vanadium
fume |
钒烟 |
C 0.05
mg /m3 (按V2O5计) |
|
Vinyl
acetate |
乙酸乙烯酯 |
TWA 10
ppm (30 mg/m3)
ST 20 ppm (60
mg/m3) |
|
Vinyl
bromide |
溴乙烯 |
TWA 5
ppm (20 mg/m3) |
|
Vinyl
cyclohexene dioxide |
二氧化环己烯乙烯 |
TWA
10 ppm (60 mg/m3)[皮] |
|
Vinylidene
chloride |
1,1-二氯乙烯 |
TWA 1
ppm (4 mg/m3) |
|
VM &
P Naphtha |
VM & P石脑油 |
TWA 1350
mg/m3 (300 ppm)
ST 1800 mg/m3 (400
ppm) |
|
Welding
fumes |
焊接烟 |
TWA 5
mg/m3 |
|
Wood
dust (all wood dusts except Western red cedar) |
木尘（除西方红雪松外的所有木尘） |
TWA 5
mg/m3
ST 10 mg/m3 |
|
Wood
dust (Western red cedar) |
木尘（西方红雪松） |
TWA 2.5
mg/m3 |
|
Xylene
(o-, m-, p-isomers) |
二甲苯（邻、间、对异构体） |
TWA 100
ppm (435 mg/m3)
ST 150 ppm (655
mg/m3) |
|
m-Xylene
α,
α'-diamine |
间二甲苯α,α’-二胺 |
C 0.1
mg/m3[皮] |
|
Xylidine |
二甲苯胺 |
TWA
2 ppm (10 mg/m3)[皮] |
|
Zinc
chloride fume |
氯化锌烟 |
TWA 1
mg/m3
ST 2 mg/m3 |
|
Zinc
oxide |
氧化锌 |
TWA 5
mg/m3 (烟)
ST
10 mg/m3 (烟)
TWA
10 mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Zinc
stearate |
硬脂酸锌 |
TWA 10
mg/m3 (总颗粒物)
TWA
5 mg/m3 (呼吸性颗粒物) |
|
Zirconium
compounds (as Zr) |
锆化合物(按锆计) |
TWA 5
mg/m3
ST 10
mg/m3 |