Carson Ph., Mumford C. Hazardous Chemicals Handbook (Справочник по опасным химическим веществам)

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Table 5.12 Hygiene standards (

see

key and notes on pages 108–110)

Threshold limit values (USA) Occupational exposure limits (UK) Air odour

Substance

TWA STEL TWA

(c)

STEL

(c)

threshold

(ppm)

(a)

(mg/m

)

(b)

(ppm)

(a)

(mg/m

)

(b)

(ppm) (mg/m

) (ppm) (mg/m

) (ppm; v/v)

Acetaldehyde – – C25 – 20 37 50 92 2000

Acetic acid 10 25 15 37 10 25 15 37 21

Acetic anhydride 5C – – – 0.5 0.1 2 0.4 39

Acetone 500 – 750 – 750 1810 1500 3620 57

Acetone cyanohydrin – – SKC4.7 – – – – – –

Acetonitrile 40 67 60 101 40 68 60 102 0.23

Acetophenone 10 – – – – – – – –

Acetylene –

(d)

–– –

(d)

– – 230

Acetylene dichloride,

see

1,2-Dichloroethylene

Acetylene tetrabromide 1 14 – –

Acetylsalicylic acid (aspirin) – 5 – – – 5 – –

Acrolein – – C0.1 – 0.1 0.25 0.3 0.8 0.61

Acrylamide SK – 0.03

(e)

– – SK – 0.3 MEL – –

Acrylic acid SK 2 5.9 – – 10 30 20 60 110

Acrylonitrile SK 2

(e)

4.3

(e)

– – SK 2 4.4 MEL – – 0.12

Adipic acid – 5 – – – – – – –

Adiponitrile 2 – – – – – – – –

Aldrin SK – 0.25 – – SK – 0.25 – 0.75

Allyl alcohol SK 0.5 – – – SK 2 4.8 4 9.7 1.8

Allyl chloride 1 3 2 6 – – – – 0.84

Allyl glycidyl ether (AGE) 1 – – – SK 5 24 10 47

Allyl propyl disulphide 2 12 3 18 – – – –

α-Alumina,

see

Aluminium oxide

Aluminium

Total inhalable dust – – – – – 10 – –

Respirable dust – – – – – 4 – –

Metal dust – 10 – – – – – –

Pyro powders, as Al – 5 – – – – – –

Welding fumes, as Al – 5 – – – – – –

Alkyls (NOC-d), as Al – 2 – – – – – –

Aluminium oxides

Total inhalable dust – 10 – – – 10 – –

Respirable dust – – – – – 4 – –

Aluminium salts (soluble) – 2 – – – 2 – –

4-Aminodiphenyl SK –

(g)

–– – – – –

2-Aminoethanol,

see

Ethanolamine

2-Aminopyridine 0.5 2 – – 0.5 2 2 8

Amitrole – 0.2 – – – – – –

Ammonia 25 17 35 24 25 18 35 25 4.8

Ammonium chloride fume – 10 – 20 – 10 – 20

Ammonium perfluorooctanoate SK – 0.01 – – – – – –

Ammonium sulphamate – 10 – – – 10 – 20

Amosite,

see

Asbestos

-Amyl acetate 50 – 100 – 50 270 100 541 1800

sec-Amyl acetate 50 – 100 – 50 270 100 541 61000

Aniline and homologues SK 2 7.6 – – SK 1 4 – – 1.9

Anisidine (o-, p-isomers) SK 0.1 0.5 – – SK 0.1 0.5 – –

Antimony and antimony compounds

except stibine (as Sb) – 0.5 – – – 0.5 – –

Antimony hydride (Stibine) 0.1 – – – 0.1 0.52 0.3 1.6

Antimony trioxide production

(g)

––– –––

-Aramid respirable fibres (1) ––––

ANTU – 0.3 – – – – – –

Argon –

(d)

–– –

(d)

––

Arsenic elemental and inorganic – 0.01

(g)

–– – – – –

compounds As (except arsine)

Arsenic trioxide production –

(e)

–– – – – –

Arsine 0.05 0.16 – – 0.05 0.16 – – 0.10

Asbestos, all forms

(g)

0.1

(j)

Fibre/cc

(h)

Asphalt (petroleum) fumes – 0.5 – – – 5 – 10

Atrazine – 5 – – – 10 – –

Azinphos-methyl SK – 0.2 – – SK – 0.2 – 0.6

Azodicarbonamide – – – –SEN – 1.0 – 3 MEL

Barium, soluble – 0.5 – – – 0.5 – –

compounds, as Ba

Barium sulphate

Respirable dust – – – – – 4 – –

Total inhalable dust – 10 – – – 10 – –

Benomyl – 10 – – – 10 – 15

Benzene 0.5

(g)

– 2.5 – 5 15 MEL – – 0.85

Benz(a)anthrene

(e)

Benzenethiol – – – – 0.5 2.3 – –

Benzene-1,2,4-tricarboxylic – – – C0.04 SEN – 0.04 – 0.12

acid 1,2-anhydride

Benzidine SK –

(g)

–– – – – –

-Benzoquinone,

see

Quinone

Benzo(b)fluoanthene

(e)

Benzoyl peroxide – 5 – – – 5 – –

Benzo(a)pyrene –

(e)

–– – – – –

Benzotrichloride SK

(e)

– C0.1 – – –

Benzoyl chloride – – C0.5 – – – –

(1)

-Aramid respirable fibres are subject to an OES of 0.5 fibres/ml, 8 hr TWA

Table 5.12 Cont’d

Threshold limit values (USA) Occupational exposure limits (UK) Air odour

Substance

TWA STEL TWA

(c)

STEL

(c)

threshold

(ppm)

(a)

(mg/m

)

(b)

(ppm)

(a)

(mg/m

)

(b)

(ppm) (mg/m

) (ppm) (mg/m

) (ppm; v/v)

Benzyl acetate 10 – – – – –

Benzyl butyl phthalate – – – – – 5 – –

Benzyl chloride 1 5.2 – – 0.5 2.6 1.5 7.9 23

Beryllium and compounds, – 0.002

(g)

– 0.01 – 0.002 –

as Be

Biphenyl 0.2 1.3 – – 0.2 1.3 0.6 3.8 240

2,2-Bis(p-chlorophenyl)- – – – – – 1 – 3

1,1,1-trichloroethane

see

Diglycidyl ether

Bis(2-dimethylamino-ethyl) ether 0.05 – 0.15 – ––––

Bis(2-ethyl hexyl) phthalate – – – – – 5 – 10

Bismuth telluride – 10 – – – 10 – 20

Se-doped – 5 – – – 5 – 10

Borates, tetra, sodium salts

Anhydrous – 1 – – – 1 – –

Decahydrate – 5 – – – 5 – –

Pentahydrate – 1 – – – 1 – –

Bornan-2-one 2 – 4 – 2 13 3 19

Boron oxide – 10 – – – 10 – 20

Boron tribromide – – C1 – – – 1 10

Boron trifluoride – – C1 – – – 1 2.8

Bromacil – 10 – – 1 11 2 22

Bromine 0.1 0.66 2 1.3 0.1 0.7 0.3 2

Bromine pentafluoride 0.1 0.72 – – 0.1 0.7 0.3 2.2 2.0

Bromochloromethane,

see

Chlorobromomethane

Bromoethane,

see

Ethyl bromide

Bromoform SK 0.5 5.2 – – SK 0.5 5 – – 0.39

Bromomethane,

see

Methyl bromide

Bromotrifluoromethane 1000 6190 – – 1000 6190 1200 7430

1,3-Butadiene 2

(e)

– – – 10 22 MEL – – 640

Butane 800 1900 – – 600 1450 750 1810 0.29

Butanethiol,

see

Butyl mercaptan

2-Butanone,

see

Methyl ethyl ketone

(MEK)

trans-But-2-enal – – – – 2 6 6 18

2-Butoxyethanol (EGBE) SK 20 – – – SK 25 123 MEL – – 250

-Butyl acetate 150 713 200 950 150 724 200 966 390

sec-Butyl acetate 200 950 – – 200 966 250 1210

tert-Butyl acetate 200 950 – – 200 966 250 1210

Butyl acrylate 2 – – – 10 53 – – 290

-Butyl alcohol SK – – C50 – SK – – 50 154 60

sec-Butyl alcohol 100 303 – – 100 308 150 462 38

tert-Butyl alcohol 100 303 – – 100 308 150 462 2.1

Butylamine SK – – C5 – SK – – 5 15 2.7

-Butyl chloroformate – – – – 1 5.6 – –

tert-Butyl chromate, as CrO

SK – – – C0.1 ––––

Butylated hydroxy toluene – 10 – – – 10 – –

-Butyl glycidyl ether (BGE) 25 133 – – 25 135 – –

-Butyl lactate 5 30 – – 5 30 – – 0.71

Butyl mercaptan 0.5 1.8 – – ––––510

-sec-Butylphenol SK 5 31 – – SK 5 30 – –

-tert-Butyltoluene 1 6 20 121 ––––2.0

Cadmium dusts and salts, as Cd

elemental – 0.01

(e)

–– –

compounds, as Cd – 0.002

(e)

– – (except

cadmium

sulphide

Cadmium oxide pigments)

fume, as Cd – – – – – 0.025 MEL 0.05 MEL

Cadmium sulphide pigments, – – – – – 0.03 MEL – –

respirable dust, as Cd

Caesium hydroxide – 2 – – – 3 – –

10 (total

inhalable dust) –

–4––

(respirable dust)

Calcium chromate – 0.001

(e)

–––––––

Calcium cyanamide – 0.5 – – – 0.5 – 1

Calcium hydroxide – 5 – – – 5 – –

Calcium oxide – 2 – – – 2

10 (total

inhalable dust) – –

(respirable dust)

10 (total

(inhalable dust) – –

(respirable dust)

Camphor, synthetic,

see

Bornan-2-one

Caprolactam

Dust – 1 – 3 – 1 – 3

Vapour 5 23 10 47 5 23 10 47











Calcium sulphate – 10

(f)

–– –











Calcium silicate – 10

(f)

–– –











Calcium carbonate – 10

(f)

––

Table 5.12 Cont’d

Threshold limit values (USA) Occupational exposure limits (UK) Air odour

Substance

TWA STEL TWA

(c)

STEL

(c)

threshold

(ppm)

(a)

(mg/m

)

(b)

(ppm)

(a)

(mg/m

)

(b)

(ppm) (mg/m

) (ppm) (mg/m

) (ppm; v/v)

Captafol SK – 0.1 – – SK – 0.1 – –

Captan – 5 – – – 5 – 15

Carbaryl – 5 – – – – – –

Carbofuran – 0.1 – – – 0.1 – –

Carbon black – 3.5 – – – 3.5 – 7

Carbon dioxide 5000 9150 30 000 54 800 5000 9150 15 000 27 400 0.067

Carbon disulphide SK 10 32 – – SK 10 32 MEL – – 92

Carbon monoxide 25 28 – – 30 35 200 232 0.00050

Carbon tetrabromide 0.1 1.4 0.3 4.1 0.1 1.4 0.3 4

Carbon tetrachloride SK 5

(e)

10 62 SK 2 13 – – 0.052

Carbonyl chloride,

see

Phosgene

Carbonyl fluoride 2 5.4 5 13 – – – –

Catechol SK 5 23 – – 5 23 – –

10 (total – 20

inhalable dust)

4––

(respirable dust)

Chlordane SK – 0.5 – – SK – – – –

Chlorinated camphene SK – 0.5 – 1 – – – –

Chlorinated diphenyl oxide – 0.5 – – – – – –

Chlorine 0.5 1.5 1 2.9 0.5 1.5 1 2.9 3.2

Chlorine dioxide 0.1 0.28 0.3 0.83 0.1 0.3 0.3 0.9 0.011

Chlorine trifluoride – – C0.1 0.38C – – 0.1 0.38

Chloroacetaldehyde – – C1 3.2C – – 1 3.3

Chloroacetone SK – – C1 C3.8 – – – –

α-Chloroacetophenone 0.05 0.32 – – 0.05 0.32 – – 1.4

Chloroacetyl chloride 0.05 0.23 0.15 0.7 – – – –

Chlorobenzene 10 – – – 50 234 – – 110

Chlorobenzylidene SK – – C0.05 C0.39 – – – –

malononitrile

Chlorobromomethane 200 1060 – – 200 1060 250 1340 0.50

2-Chloro-1,3-butadiene,

see

β-Chloroprene

Chlorodifluoromethane 1000 3590 – – 1000 3590 – –

Chlorodiphenyl (42% chlorine) SK – 1 – –

Chlorodiphenyl (54% chlorine) SK – 0.5 – –

SK – 0.1 – –

1-Chloro-2,3-epoxy propane, s

Epichlorohydrin











Cellulose (pure) – 10 – – –













2-Chloroethanol,

see

Ethylene

chlorohydrin

Chloroethylene,

see

Vinyl chloride

Chloroform 10

(e)

– – 2 9.9 – – 0.12

bis(Chloromethyl)ether 0.001

(g)

0.005 – – 0.001 0.005 – –

Chloromethyl methyl ether

(e) (e)

–– –– ––

1-Chloro-4-nitrobenzene – – – – SK – 1 – 2

1-Chloro-1-nitropropane 2 10 – – – – – –

Chloropentafluoroethane 1000 6420 – – 1000 6420 – –

Chloropicrin 0.1 0.67 – – 0.1 0.7 0.3 2 0.13

β-Chloroprene SK 10 36 – – – – – – 0.68

3-Chloropropene – – – – 1 3 2 6

2-Chloropropionic acid 0.1 – – – – – – –

-Chlorostyrene 50 283 75 425 – – – –

Chlorosulphonic acid – – – – – 1 – –

-Chlorotoluene 50 259 – – 50 264 – – 150

2-Chloro-6-(trichloromethyl)pyridine,

see

Nitrapyrin

Chlorpyrifos – 0.2 – – SK – 0.2 – 0.6

Chromite ore processing (Chromate), – 0.05

(g)

–– –– ––

as Cr

Chromium metal – 0.5 – – – 0.5 – –

Chromium (III) compounds, as Cr – 0.5 – – – 0.5 – –

Chromium (VI) compounds, as Cr

Water soluble – 0.05

(g)

––

– 0.05 – –

Water insoluble – 0.01

(g)

––

Chromyl chloride 0.025 0.16 – – – – – –

Chrysene

(e) (e)

–– –– ––

Chrysotile,

see

Asbestos

Clopidol – 10 – – – – – –

Coal dust – 2 – – – 2 – –

(respirable fraction) (respirable dust)

Anthracite – 0.4 – – – – – –

Bitumous – 0.9 – – – – – –

Coal tar pitch volatiles, as benzene – 0.2

(g)

– – – 0.14 – –

solubles

Cobalt as Co, elemental and inorganic – 0.02 – – – 0.1 – –

compounds (cobalt and

compounds)

Cobalt carbonyl as Co – 0.1 – – – – – –

Cobalt hydrocarbonyl as Co – 0.1 – – – – – –

Copper

Fume – 0.2 – – – 0.2 – –

Dusts and mists as Cu – 1 – – – 1 – 2

Cotton dust, raw – 0.2

(l)

– – – 2.5 – –

Table 5.12 Cont’d

Threshold limit values (USA) Occupational exposure limits (UK) Air odour

Substance

TWA STEL TWA

(c)

STEL

(c)

threshold

(ppm)

(a)

(mg/m

)

(b)

(ppm)

(a)

(mg/m

)

(b)

(ppm) (mg/m

) (ppm) (mg/m

) (ppm; v/v)

Cresol, all isomers SK 5 22 – – SK 5 22 – – 17 000

(m-cresol)

Cristobalite, s

Silica, crystalline

Crocidolite,

see

Asbestos

Crotonaldehyde – – C0.3 – – – – – 17 (trans)

Crufomate – 5 – – – – – –

Cryofluorane (INN) 1000 7110 – – 1000 7110 1250 8890

Cumene SK 50 246 – – SK 25 125 75 375 570

Cyanamide – 2 – – – 2 – –

Cyanides as CN,

see

Hydrogen cyanide –

Cyanogen 10 22 – – 10 22 – –

Cyanogen chloride – – C0.3 C0.75 – – 0.3 0.77

Cyclohexane 300 1030 – – 100 350 300 1050 25

Cyclohexanol SK 50 206 – – 50 208 – – 0.15

Cyclohexanone SK 25 100 – – 25 102 100 408 0.88

Cyclohexene 300 1010 – – 300 1020 – – 0.18

Cyclohexylamine 10 41 – – SK 10 41 – – 2.6

Cyclonite SK – 0.5 – – SK – 1.5 – 3

Cyclopentadiene 75 203 – – – – – – 1.9

Cyclopentane 600 1720 – – – – – –

Cyhexatin – 5 – – – 5 – 10

2,4-D – 10 – – – 10 – 20

DDT (Dichloro- – 1 – – – 1 – 3

diphenyltrichloroethane)

Decaborane SK 0.05 0.25 0.15 0.75 – – – –

Demeton SK 0.01 0.11 – – – – – – 0.060

Diacetone alcohol 50 238 – – 50 240 75 362 0.28

Dialkyl 79 phthalate – – – – – 5 – –

Diallyl phthalate – – – – – 5 – –

2,2′-Diaminodiethylamine – – – – SK 1 4 – –

1,2-Diaminoethane, s

Ethylenediamine

Diammonium peroxydisulphate – – – – – 1 – –

as S

Diatomaceous earth,

see

Silica,

amorphous

Diazinon SK – 0.1 – – SK – 0.1 – 0.3

Diazomethane 0.2

(e)

0.34 – – carcinogen – – –

Diborane 0.1 0.11 – – 0.1 0.1 – – 2.5

Dibromodifluoromethane – – – – 100 872 150 1310

1,2-Dibromoethane,

see

Ethylene

dibromide

-Dibutylamino-ethanol SK 0.5 3.5 – – – – – –

Dibutyl phenyl phosphate SK 0.3 3.5 – – – – – –

Dibutyl phosphate 1 8.6 2 17 1 8.7 2 17

Dibutyl phthalate – 5 – – – 5 – 10

6,6′-Di-tert-butyl-4-4′-–––––10–20

thiodi-

-cresol

Dichloroacetylene – – C0.1 C0.39 – – 0.1 0.4

-Dichlorobenzene SK 25 152 50 153 – – 50 306 0.30

-Dichlorobenzene 10 31 – – 25 153 50 306 0.18

3-3′-Dichlorobenzidine –

(e)

–––– – – –

1,4-Dichloro-2-butene 0.005

(e)

––– ––––

Dichlorodifluoromethane SK 1000 4950 – – 1000 5030 1250 6280

1,3-Dichloro-5,5-dimethyl hydonton – 0.2 – 0.4 – 0.2 – 0.4

1,1-Dichloroethane – – – – 200 823 400 1650

1,2-Dichloroethane,

see

Ethylene

dichloride

1,1-Dichloroethylene

see

Vinylidene

chloride

1,2-dichloroethylene 200 793 – – 200 806 250 1010 17

(trans)

Dichloroethyl ether SK 5 29 10 58 – – – – 0.049

Dichlorofluoromethane 10 42 – – 10 43 – –

Dichloromethane 50 175 – – 100 350 MEL 300 1060

1,1-Dichloro-1-nitroethane 2 12 – – – – – –

2,2′-Dichloro-4-4′-methylene – – – – SK – 0.005 MEL – –

dianiline (Mb OCA)

Dichlorophenoxyacetic acid,

see

2,4-D

1,2-Dichloropropane,

see

Propylene

dichloride

Dichloropropene SK 1 4.5 – – SK 1 5 10 50

2,2-Dichloropropionic acid – 5 – – – – – –

Dichlorotetrafluoro-ethane,

see

Cryofluorane

Dichlorvos SK – 0.90 – – SK 0.1 0.92 0.3 2.8

Dicrotophos SK – 0.25 – – – – – –

Dicyclohexyl phthalate – – – – – 5 – –

Dicyclopentadiene 5 27 – – 5 27 – – 0.0057

Dicyclopentadienyl iron,

see

Ferrocene

Dieldrin SK – 0.25 – – SK – 0.25 – 0.75

Diethanolamine – 2 – – 3 13 – – 0.27

Diethylamine 5 – 25 75 10 30 25 75 0.13

2-Diethylamino-ethanol SK 2 – – – SK 10 49 – – 0.011

Diethylene glycol – – – – 23 100 – –

Table 5.12 Cont’d

Threshold limit values (USA) Occupational exposure limits (UK) Air odour

Substance

TWA STEL TWA

(c)

STEL

(c)

threshold

(ppm)

(a)

(mg/m

)

(b)

(ppm)

(a)

(mg/m

)

(b)

(ppm) (mg/m

) (ppm) (mg/m

) (ppm; v/v)

Diethylene triamine SK 1 4.2 – – SK 1 4.3 – –

Diethyl ether,

see

Ethyl ether

Di(2-ethylhexyl)phthalate,

see

Di-sec-octyl phthalate

Diethyl ketone 200 716 300 1024 200 716 250 895 2.0

Diethyl phthalate – 5 – – – 5 – 10

Diethyl sulphate – – – – 0.05 0.32 – –

Difluorodibromomethane 100 858 – – 100 860 150 1290

Diglycidyl ether (DGE) 0.1 0.53 – – 0.1 0.5 – –

Dihydroxybenzene,

see

Hydroquinone

Diisobutyl ketone 25 145 – – 25 148 – – 0.11

Diisoctyl phthalate – – – – – 5 – –

Diisodecyl phthalate – – – – – 5 – –

Diisononyl phthalate – – – – – 5 – –

Diisopropylamine SK 5 21 – – 5 21 – – 1.8

Diisopropyl ether,

see

Isopropyl ether

Dimethoxymethane,

see

Methylal

Dimethyl acetamide SK 10 36 – – SK 10 36 20 72 47

Dimethylamine 5 9 15 27 2 3.8 6 11 0.34

Dimethylaminobenzene,

see

Xylidene

Dimethylamino ethanol – – – – 2 7.4 6 22

Dimethylaniline SK 5 25 10 50 SK 5 25 10 50 0.013

(

N,N

-Dimethylaniline)

Dimethylbenzene,

see

Xylene

1,3-Dimethylbutyl acetate – – – – 50 300 100 600

Dimethyl carbamoyl chloride

(e) (e)

–– –– ––

Dimethyl-1,2-dibromo-2,2-dichloroethyl

phosphate,

see

Naled

Dimethyl ether – – – – 400 766 500 958

-Dimethylethylamine – – – – 10 30 15 45

Dimethylethoxy silane 0.5 – 1.5 – – – – –

Dimethylformamide SK 10 30 – – SK 10 30 20 60 2.2

2,6-Dimethyl-4-heptanone,

see

Diisobutyl ketone

1,1-Dimethyl hydrazine SK 0.01

(e)

– – – – carcinogen – – 1.7

Dimethylnitrosoamine,

see

-Nitrosodimethylamine

Dimethylphthalate – 5 – – – 5 – 10

Dimethyl sulphate SK 0.1

(e)

0.52

(e)

– – SK 0.05 0.25 – –

Dinitolmide – 5 – – – – – –

Dinitrobenzene (all isomers) SK 0.15 1 – – SK 0.15 1 0.5 3

Dinitro-

-cresol SK – 0.2 – – SK – 0.2 – 0.6

1,2-Dinitroethane,

see

Ethylene

glycol dinitrate

1,2-Dinitropropane – – – – SK – – – –

3,5-Dinitro-

-toluamide,

see

Dinitolmide

Dinitrotoluene SK – 0.2 – – SK – carcinogen – –

Di-nonyl phthalate – – – – – 5 – –

Dioxane SK 20 – – – SK 25 90 100 366 24

Dioxathion SK – 0.2 – – SK – 0.2 – –

Diphenyl,

see

Biphenyl

Diphenylamine – 10 – – – 10 – 20

Diphenyl ether (vapour),

see

Phenyl Ether

Diphenylmethane diisocyanate,

see

Isocyanates; Methylene

bisphenyl isocyanate

Diphosphorus pentoxide – – – – – – – 2

Dipotassium peroxydisulphate, – – – – – 1 – –

as S

Dipropylene glycol methyl ether SK 100 606 150 909 – – – –

Dipropyl ketone 50 233 – – – – – –

Diquat – 0.5 – – – 0.5 – 1

Di-sec-octyl phthalate – 5 – – – 5 – 10

Disodium disulphite – 5 – – – 5 – –

Disodium peroxydisulphate, – – – – – 1 – –

as S

Disodium tetraborate

anhydrous – – – – – 1 – –

decahydrate – – – – – 5 – –

pentahydrate – – – – – 1 – –

Disulfiram – 2 – – – – – –

Disulfoton – 0.1 – – – 0.1 – 0.3

Disulphur dichloride – – C1 – – – 1 5.6

Diuron – 10 – – – 10 – –

Divinyl benzene 10 53 – – 10 54 – –

Dusts (S)

10 (total

inhalable dust)

4––

(respirable dust)

Endosulfan SK – 0.1 – – SK – 0.1 – 0.3

Endrin SK – 0.1 – – SK – 0.1 – 0.3

Enflurane 75 566 – – 50 383 – –











Emery – 10

(i)

–– –