O. Reg. 388/00: CONTROL OF EXPOSURE TO BIOLOGICAL OR CHEMICAL AGENTS

Part

Biological and Chemical Agents

Calculation of Exposure Values

2A

Calculation of Exposure Values Where a STEV or CEV is Not Indicated

2B

Explanatory Notes on Chemical Names, CAS Reg. Nos., and Other Notations

3

Time–Weighted Average Exposure Values (TWAEV) and

Short–Term Exposure Values (STEV) for Ceiling Exposure

Values (CEV)

4

Exposure Values for Simple Asphyxiants

9

Known Toxic Agents for Which Exposure Values Have Not Been Established, and to Which Any Exposure Should be Avoided

10

Exposure Values for Acrylonitrile, Benzene and Mercury

11

AGENT

TWAEV

STEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

Acetaldehyde
(75–07–0)

100

180

150

270

Acetone
(67–64–1)

750

1,780

1,000

2,375

Acrolein
(107–02–8)

0.1

0.23

0.3

0.7

Acrylic acid
(79–10–7)

10

29

Allyl Alcohol 
(107–18–6) — Skin

2

5

4

10

Ammonium perfluoro–octanoate
(3825–26–1)

0.1

Beryllium and its compounds (as beryllium)
(7440–41–7), (b)

0.002

Bis(dimethylthiocarbonyl) disulfide
(137–26–8)

5

Bromacil
(314–40–9)

1

11

Bromine
(7726–95–6)

0.1

0.7

0.3

2

1,3–Butadiene
(106–99–0)

10

22

2–Butoxyethanol
(111–76–2) — Skin

25

120

n–Butyl acrylate
(141–32–2)

10

52

p–tert–Butyltoluene
(98–51–1)

10

60

20

120

Cadmium and its compounds (as cadmium)
(7440–43–9), (b)

0.05

Cadmium oxide, production (as cadmium)
(1306–19–0)

0.05

Chlorine
(7782–50–5)

1

3

3

9

Chloroacetyl chloride
(79–04–9)

0.05

0.23

Chlorobenzene
(108–90–7)

75

345

1–Chloro–2,3–epoxypropane
(106–89–8) — Skin

2

7.6

Cobalt metal, dust and fume (as cobalt)
(7440–48–4), (b)

0.05

0.1

Crotonaldehyde (4170–30–3)

2

5.7

Cyanide, potassium and sodium (as cyanide)
(57–12–5), (b) — Skin

5

2–(Dibutylamino)ethanol
(102–81–8)

2

14

p–Dichlorobenzene
(106–46–7)

75

450

110

660

1,1–Dichloroethane
(75–34–3)

200

810

250

1,010

Diethanolamine
(111–42–2)

3

13

Diethylamine
(109–89–7)

10

30

25

75

2–(Diethylamino)ethanol
(100–37–8)

10

48

Dimethylamine
(124–40–3)

10

18

ar,ar–Dimethylbenzenamine (sum of all isomers)
(1300–73–8)

2

10

1,1–Dimethylhydrazine
(57–14–7)

0.5

1.2

Dinitrotoluene(sum of all isomers)
(25321–14–6)

1.5

1,4–Dioxane
(123–91–1)

25

90

Diquat
(85–00–7)

0.5

1,2–Epoxy–4–(epoxyethyl)–cyclohexane
(106–87–6) — Skin

10

57

2,3–Epoxy–1–propanol
(556–52–5)

25

76

Ethyl acrylate
(140–88–5)

5

20

Ethylamine
(75–04–7)

5

9

Ethyl bromide
(74–96–4)

200

890

250

1,110

Ethyl chloride
(75–00–3)

1,000

2,635

O–Ethyl O–p–nitrophenyl phenylphosphonothioate
(2104–64–5) — Skin

0.5

Formic acid
(64–18–6)

5

9.4

Glass, fibrous or dust

10

Heptachlor
(76–44–8)

0.5

3–Heptanone
(106–35–4)

50

230

Hexachloroethane
(67–72–1)

10

97

Hexahydro–1,3,5–trinitro–1,3,5–triazine
(121–82–4) — Skin

1.5

3

Hydrazine
(302–01–2) — Skin

0.1

0.13

Methyl acrylate
(96–33–3) — Skin

10

35

Methylamine
(74–89–5)

10

13

Methylbenzene
(108–88–3)

100

376

150

564

Methyl bromide
(74–83–9)

5

19

Methyl 2–cyanoacrylate
(137–05–3)

2

9

4

18

Nickel, metal and oxides and sulfides of (as nickel)
(7440–02–0), (b)

1

Nickel, water–soluble compounds of (as nickel)
(7440–02–0) (b)

0.1

Nitromethane
(75–52–5)

100

250

3–Pentanone
(96–22–0)

200

705

Persulfates, alkali metal, and including ammonium
(7727–54–1), sodium (7775–27–1) and potassium persulfates (7727–21–1) (as S₂O₈)

5

(Phenoxymethyl)oxirane
(122–60–1 )

1

6

Phenylhydrazine
(100–63–0)

5

22

10

44

((2–Propenyloxy) methyl)oxirane
(106–92–3) — Skin

5

23

10

47

Sulfuric acid
(7664–93–9)

1

Tetrachloroethylene
(127–18–4)

50

340

200

1,355

Tetranitromethane
(509–14–8)

1

8

Trichloroethylene
(79–01–6)

50

268

200

1,075

Triethylamine
(121–44–8)

10

41

15

62

Trimellitic anhydride
(552–30–7)

0.005

0.039

Trimethylamine
(75–50–3)

10

24

15

36

Vinyl acetate
(108–05–4)

10

35

20

70

Vinyl bromide
(593–60–2)

5

22

Zinc chromates (as chromium)
(sum of (13530–65–9), (1103–86–9) and (37300–23–5))

0.01

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Acetaldehyde
(75–07–0)

25

Acetic anhydride
(108–24–7)

5

21

Acetone
(67–64–1)

500

750

Acetone cyanohydrin
(75–86–5), as CN — Skin

4.7

Acetophenone
(98–86–2)

10

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Acrolein
(107–02–8)

0.1

Acrylic acid
(79–10–7)

2

Adipic acid
(124–04–9)

5

Adiponitrile
(111–69–3) — Skin

2

Allyl Alcohol
(107–18–6) — Skin

0.5

alpha–Alumina (total dust)

(1344–28–1)

10

Ammonium perfluoro–octanoate
(3825–26–1)

0.01

tert–Amyl methyl ether

(994–05–8)

250

1,045

310

1,295

Asphalt fumes
(8052–42–4)

5

Barium sulfate (total dust)
(7727–43–7)

10

Benzaldehyde
(100–52–7)

4

17

Benzotrichloride
(98–07–7) — Skin

0.1

Benzoyl chloride
(98–88–4)

0.5

Benzyl acetate
(140–11–4)

10

Beryllium and its compounds (as beryllium)
(7440–41–7)

0.002

0.01

Bis(2–(Dimethylaminoethyl)) ether
3033–62–3)

5

33

Bis(Dimethylthiocarbonyl) disulfide
(137–26–8)

1

Boron tribromide
(10294–33–4)

1

10

Boron trifluoride
(7637–07–2)

1

2.8

Bromacil
(314–40–9)

10

Bromine
(7726–95–6)

0.1

0.2

1,3–Butadiene
(106–99–0)

5

2–Butoxyethanol
(111–76–2) — Skin

20

2–Butoxyethyl acetate
(112–07–02) — Skin

25

164

75

492

n–Butyl alcohol
(71–36–3) — Skin

50

150

n–Butyl acrylate
(141–32–2)

2

n–Butylamine
(109–73–9) — Skin

5

15

p–tert–Butyltoluene
(98–51–1)

1

tert–Butyl chromate, (as chromate)
(1189–85–1) — Skin

0.1

Cadmium, elemental
(7440–43–9), and compounds, as Cd

0.01

Cadmium, elemental
(7440–43–9), and compounds, as Cd, respirable

0.002

Calcium carbonate, including marble (total dust)
(471–34–1)

10

Calcium Chloride
(10043–52–4)

5

Calcium chromate
(13765–19–0), as Cr

0.001

Calcium silicate
(total dust) (1344–95–2)

10

Calcium sulfate, including plaster of Paris (total dust)
(10101–41–4)

10

Cellulose (paper fiber, total dust)
(9004–34–6)

10

Charcoal, except activated
(16291–96–6)

10

Chlorinated diphenyl oxides
(55720–99–5)

0.5

2

Chlorine
(7782–50–5)

0.5

1

Chlorine trifluoride
(7790–91–2)

0.1

0.4

Chloracetaldehyde
(107–20–0)

1

3

Chloroacetone
(78–95–5)

1

Chloroacetyl chloride
(79–04–9)

0.05

0.15

o–Chlorobenzaldehyde
(89–98–5)

4

23

o–Chlorobenzylidene malononitrile
(2698–41–1) — Skin

0.05

0.4

Chlorobenzene
(108–90–7)

10

1–Chloro–2,3–epoxypropane
(106–89–8) — Skin

0.5

2–Chloroethanol
(107–07–3) — Skin

1

3.3

2–Chloropropionic acid
(598–78–7) — Skin

0.1

Chromium
(7440–47–3), Insoluble Cr VI compounds, as Cr (b)

0.01

Coal dust, Anthracite (respirable)

0.4

Coal dust, Bituminous (respirable)

0.9

Coal tar pitch volatiles (as total benzene–soluble compounds)
(65996–93–2)

0.2

Cobalt metal, dust and fume (as cobalt)
(7440–48–4)

0.02

N–Coco Morpholine
(1541–81–7) — Skin

5

52

Cotton Dust, Fabric Knitting

0.5

Cotton Dust, Slashing and Weaving

0.75

Cotton Dust, Waste

0.5

‘Coumin 100’ Polymer Flakes (total dust)
(63393–89–5)

5

Crotonaldehyde
(4170–30–3)

0.3

Cyanogen chloride
(506–77–4)

0.3

0.75

Cymene (sum of o–,m– and p–isomers)
(25155–15–1) — Skin

50

274

Diatomaceous earth, (uncalcined) inhalable
(61790–53–2)

10(D)

Diatomaceous earth (uncalcined) respirable
(61790–53–2)

3(D)

2–(Dibutylamino) ethanol
(102–81–8) — Skin

0.5

Dibutyl phenyl phosphate
(2528–36–1) — Skin

0.3

o–Dichlorobenzene
(95–50–1)

25

50

p–Dichlorobenzene
(106–46–7)

10

1,4–Dichloro–2–butene
(764–41–0) — Skin

0.005

1,1–Dichloroethane
(75–34–3)

100

1, 3–Dichloro–2–Propanol
(96–23–1) — Skin

1

5

Dichloroethyne
(7572–29–4)

0.1

0.4

Diethanolamine
(111–42–2)

2

Diethylamine
(109–89–7)

5

15

2–(Diethylamino)ethanol
(100–37–8) — Skin

2

Diethylene glycol monoethyl ether
(111–90–0)

30

165

Diisodecyl phthalate
(26761–40–0)

5

Dimethylamine
(124–40–3)

5

15

3–(Dimethylamino) propylamine
(111–90–0) — Skin

0.5

2

ar,ar–Dimethylbenzenamine (sum of all isomers)
(1300–73–8) — Skin

0.5

N, N–Dimethyl–cyclohexylamine
(98–94–2)

5

26

Dimethylethoxysilane
(14857–34–2)

0.5

1.5

N, N–Dimethyl–ethanolamine
(108–01–0)

3

11

6

22

1,1–Dimethylhydrazine
(57–14–7) — Skin

0.01

Dimethyl terephthalate
(120–61–6)

5

Dimethyl 2,3,5,6–tetracholorotere–phthalate
(1861–32–1)

5

Dinitrotoluene (sum of all isomers)
(25321–14–6) — Skin

0.2

1,4–Dioxane
(123–91–1) — Skin

20

Dipropylene glycol monomethyl ether acetate
(88917–22–0)

100

776

150

1,164

Diquat
(2764–72–9) — Skin

0.5

Diquat, respirable
(2764–72–9) — Skin

0.1

Emery (total dust)
(57407–26–8)

10

1,2–Epoxy–4–(epoxyethyl)–cyclohexane
(106–87–6) — Skin

0.1

2,3–Epoxy–1–propanol
(556–52–5)

2

Ethyl acrylate
(140–88–5) — Skin

5

15

Ethylamine
(75–04–7)

5

15

Ethyl bromide
(74–96–4)

5

Ethyl chloride
(75–00–3)

100

Ethyl cyanoacrylate
(7085–85–0)

0.2

Ethyl–3–ethoxy propionate
(763–69–9)

50

300

Ethylene glycol
(107–21–1)

100

Ethylene glycol dimethyl ether
(110–71–4) — Skin

5

18

Ethylene glycol mono–n–propyl ether
(2807–30–9) — Skin

25

110

Ethylene glycol mononitrate
(16051–48–2) — Skin

0.05

0.22

5–Ethylidene–2–norbornene
(16219–75–3)

5

25

Ethyl methacrylate
(97–63–2)

100

470

O–Ethyl O–p–nitrophenyl phenylphosphonothioate
(2104–64–5) — Skin

0.1

Forane
(26675–46–7)

2

15

Formic acid
(64–18–6)

5

10

Gasoline
(8006–61–9)

900

1,500

Glycerin mist
(56–81–5)

10

Gluteraldehyde
(111–30–8)

0.2

0.8

Grain Dust, Not Otherwise Classified (total dust)

4

Graphite (all forms except graphite fibers), respirable
(7782–42–5)

2

Gypsum (total dust)
(10101–41–4)

10

Heptachlor
(76–44–8) and Heptachlor epoxide (1024–57–3) — Skin

0.05

3–Heptanone
(106–35–4)

50

75

Heptyl Acetate
(90438–79–2)

50

320

Hexachlorobenzene
(118–74–1) — Skin

0.002

Hexachloroethane
(67–72–1)

1

Hexahydro–1,3,5–trinitro–1,3,5–triazine
(121–82–4) — Skin

0.5

Hexamethylenetetramine (HMT)
(100–97–0)

0.35

2

1,6–Hexanediamine
(124–09–4)

0.5

1–Hexene
(592–41–6)

30

Hexyl Acetate (isomeric mixture)
(88230–35–7)

50

294

Hexylene glycol
(107–41–5)

25

120

Hydrazine
(302–01–2) — Skin

0.01

Hydrogenated terphenyls¹
(61788–32–7)

0.5

Hydrogen bromide
(10035–10–6)

3

10

Hydrogen chloride
(7647–01–0)

5

7.4

Hydrogen cyanide and Cyanide salts, as CN

Hydrogen cyanide

(74–90–8) — Skin

4.7

Calcium cyanide

(592–01–8) — Skin

5

Potassium cyanide

(151–50–8) — Skin

5

Sodium cyanide

(143–33–9) — Skin

5

Hydrogen fluoride (as fluoride)
(7664–39–3)

3

2.5

Iron oxide dust and fumes (Fe₂O₃), as Fe
(1309–37–1)

5§

Iodine
(7553–56–2)

0.1

1

Isooctyl alcohol
(26952–21–6) — Skin

270

Isopropylaminoethanols

400

1,900

Isosorbide Dinitrate
(87–33–2) — Skin

0.2

Kaolin (respirable)
(1332–58–7)

2(D)

Kerosene, straight–run (8008–20–6) and hydrosulfurized
(64742–81–0))

35

250

L.P.G. (Liquified petroleum gas)
(68476–85–7)

1,800

Lead chromate
(7758–97–6), as Cr

0.012

Limestone (total dust)
(1317–65–3)

10(D)

Lincomycin
(154–21–2)

0.1

Lithium Hydroxide, Anyhydrous
(1310–65–2)

1

Lithium Hydroxide, Monohydrate
(1310–66–3)

1

Magnesite (total dust)
(546–93–0)

10(D)

Methoxyflurane
(76–38–0)

2

13

Methyl acetylene–propadiene mixture (MAPP)

1,000

1,250

Methyl acrylate
(96–33–3) — Skin

2

Methyl ethyl ketone peroxides (a)

0.2

1.5

Methylamine
(74–89–5)

5

15

Methylbenzene
(108–88–3)

50

Methyl bromide
(74–83–9) — Skin

1

Methyl tert–butyl ether (MTBE)
(1634–04–4)

40

Methyl 2–cyanoacrylate
(137–05–3)

0.2

Methylene bis (4–cyclohexyl isocyanate)
(5124–30–1)

0.005

Methylhydrazine
(60–34–4) — Skin

0.01

N–Methyl–2–pyrrolidone
(872–50–4)

400

Methyl vinyl ketone
(78–94–4) — Skin

0.2

Mica, respirable
(12001–26–2)

3(D)

Mineral Spirits

525

Nepheline Syenite (total dust)
(37244–96–5)

10

Nickel, elemental/metal
(7440–02–0), inhalable

1

Nickel, insoluble compounds, as Ni, inhalable
(7440–02–0)

0.2

Nickel, soluble compounds, as Ni, inhalable
(7440–02–0)

0.1

Nickel subsulfide, inhalable
(12035–72–2), as Ni

0.1

Nitromethane
(75–52–5)

20

Oil, mineral — Mist
(8012–95–1)

5

10

Oxygen difluoride
(7783–41–7)

0.05

0.1

Paraffin wax fume
(8002–74–2)

2

Particulates (insoluble) Not Otherwise Classified (PNOC)

inhalable particulate

10(D)

respirable particulate

3(D)

Penicillin (total dust)
(1406–05–9)

0.1

Pentachloronitrobenzene
(82–68–8)

0.5

Pentaerythritol (total dust)
(115–77–5)

10

Pentaerythritol tetrabenzoate
(4196–86–5)

2

3–Pentanone
(96–22–0)

200

300

Perlite (a)

10(D)

Perfluoroisobutylene
(382–21–8)

0.01

Persulfates, ammonium (7727–54–1), sodium (7775–27–1) and potassium persulfates (7727–21–1)

0.1

Petroleum Ether

500

2–Phenoxyethanol
(122–99–6) — Skin

25

141

(Phenoxymethyl)oxirane
(122–60–1)

0.1

o–Phenylenediamine
(95–54–5)

0.1

m–Phenylenediamine
(108–45–2)

0.1

Phenylhydrazine
(100–63–0) — Skin

0.1

Phenylphosphine
(638–21–1)

0.05

0.23

Polychlorinated biphenyls (PCBs)¹

0.05

Portland cement (total dust)
(65997–15–1)

10(D)

Potassium hydroxide
(1310–58–3)

2

Poultry Dust (total dust)

5

Precipitated silica (total dust)
(1309–37–1)

10

Propane
(74–98–6)

2,500

((2–Propenyloxy) methyl) oxirane
(106–92–3) — Skin

1

1,2–Propylene glycol, total vapour & aerosol
(57–55–6)

50

155

1,2–Propylene glycol, aerosol only
(57–55–6)

10(C)

Propylene glycol monomethyl ether acetate
(108–65–6)

50

270

Resin core solder pyrolysis products (as formaldehyde)

0.1

Rouge (total dust)
(1309–37–1)

10(D)

Rubber solvent¹ (a)

1,600

Shellac dust (total dust)
(9000–59–3)

10

Silica fume, respirable
(69012–64–2)

2

Silica fused, respirable
(60676–86–0)

0.1

Silica gel
(112926–00–8)

10

Silicon (total dust)
(7440–21–3)

10

Silicon carbide (total dust)
(409–21–2)

10(D)

Sisal dust (total dust)

2

Soap dust
(68918–36–5)

5

Soapstone (a), total dust

6

Soapstone (a), respirable

3

Sodium azide
(26628–22–8)

0.1

0.26

Sodium hydroxide
(1310–73–2)

2

Spectinomycin

2

Starch (total dust)
(9005–25–8)

10

Stearates (total dust) (a)

10

Stoddard solvent¹
(8052–41–3)

525

140 Degree C Flash Aliphatic Solvent, Type of Stoddard Solvent

525

Strontium chromate, as Cr
(7789–06–2)

0.0005

Sucrose (total dust)
(57–50–1)

10

Subtilisins(proteolytic enzymes as 100% pure crystalline enyzme)
(9014–01–1)

0.00006

Sulfometuron methyl
(74222–97–2)

5

Sulfur monochloride
(10025–67–9)

1

6

Sulfur pentalfluoride
(5714–22–7)

0.01

0.1

Sulfur tetrafluoride
(7783–60–0)

0.1

0.4

Sulfuric acid
(7664–93–9)

1

3

Synthetic Vitreous Fibers (Man made Mineral Fibers)

Continuous filament glass fibers

1f/cc

Continuous filament glass fibers, inhalable

5

Glass wool fibers

1f/cc

Rock wool fibers

1f/cc

Slag wool fibers

1f/cc

Special purpose glass fibers

1f/cc

Synthetic vitreous fibers, not otherwise classified (excluding fibrous glass dust and mineral wool fiber)

1f/cc(E)

Talc (containing no asbestos fibres), respirable
(14807–96–6)

2(D)

Talc (containing fibres other than those of asbestos and tremolite asbestos)

2f/cc(B)

Tantalum, metal and oxide (total dust)
(7440–25–7), (b)

10

Terephthalic acid
(100–21–0)

10

Terphenyls (sum of o–, m–, and p–isomers)
(84–15–1), (92–06–8), (92–94–4)

0.5

4.7

Tetrachloroethylene
(127–18–4)

25

100

Tetrachlorophathalic Anhydride
(117–08–8)

0.1

Tetrachlorophenol
(25167–83–3) — Skin

0.5

Tetranitromethane
(509–14–8)

0.005

Thionyl chloride
(7719–09–7)

1

5

Titanium dioxide (total dust)
(13463–67–7)

10

Toxaphene¹
(8001–35–2) — Skin

0.5

1

1,2,4–Trichlorobenzene
(120–82–1)

5

37

Trichloroethylene
(79–01–6)

50

100

Trichlorofluoromethane
(75–69–4)

1,000

5,600

Triethanolamine
(102–71–6)

0.5

3.1

Triethylamine
(121–44–8)

1

3

Triethylenediamine
(280–57–9) — Skin

1

4.6

Triethylenetetramine
(112–24–3) — Skin

0.5

3

1,3,5–Triglycidyl–s–triazinetrione
(2451–62–9)

0.05

3,5,5–Trimethyl–2–cyclohexen–1–one
(78–59–1)

5

28

Trimellitic anhydride
(552–30–7)

0.04

Trimethoxyvinylsilane
(2768–02–7)

10

60

Trimethylamine
(75–50–3)

5

15

Trixylylphosphate
(25155–23–1)

0.1

Turpentine
(8006–64–2)

560

V.M.& P. Naphtha¹
(8030–30–6)

1,350

Vegetable oils (mists) except mists of irritant oils
such as oils of castor and cashew nut (a)

10

Vinyl acetate
(108–05–4)

10

15

Vinyl bromide
(593–60–2)

0.5

4–Vinyl cyclohexene
(100–40–3)

0.1

Vinyl fluoride
(75–02–5)

1

Vinylidene fluoride
(75–38–7)

500

Welding fume or particulate

Aluminum–containing (as aluminum)

(7429–90–5), (b)

5

Iron–containing (as iron)

(7439–89–6), (b)

5

Other, not otherwise classified (total weight, oil free) (a)

5

Wheat Flour Dust (total dust)

3

m–Xylene–alpha,alpha’–diamine
(1477–55–0) — Skin

0.1

Zinc chromates,
(13530–65–9;11103–86–9;37300–23–5) as Cr

0.01

Zinc oxide dust (total dust)
(1314–13–2)

10

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Benzene
(71–43–2)

5

16

15

48

Mercury

 — all forms of except alkyl (as mercury) (7439–97–6), (b)

0.05

0.15

 — alkyl compounds of (as mercury) (7439–97–6), (b)

0.01

0.03

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Benzene (71–43–2)

1

5.0

Mercury

All forms of except alkyl (as mercury)
(7439–97–6), (b) — Skin

0.025

Alkyl compounds of (as mercury)

(7439–97–6), (b) — Skin

0.01

0.03

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Petroleum Coke (total dust) (64741–79–3) (A)

3.5

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Glutaraldehyde (111–30–8)

0.2

0.8

AGENT

TWAEV

STEV

CEV

(CAS Reg. No.)

ppm

mg/m³

ppm

mg/m³

ppm

mg/m³

Glutaraldehyde
(111–30–8), activated and inactivated

0.05