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DME OELs:

DME OELs 2006

T

SUBSTANCE

FORMULA

CAS
Numbers

OEL

OEL-STEL/ OEL-C

Notes

ppm

mg/m³

ppm

mg/m³

2,4,5-T

Cl₃C₆H₂OCH₂COOH

93-76-5

see 2,4,5-Trichlorophenoxyacetic acid

*TDI

CH₃C₆H₃(NCO)₂

584-84-9

see *Isocyanates

TEDP

[(CH₃CH₂O)₂PS]₂O

3689-24-5

see Sulfotep

TEPP

[(CH₃CH₂O)₂PO]₂O

107-49-3

0,004

0,05

0,01

0,2

Sk

TNT

CH₃C₆H₂(NO₂)₃

118-96-7

see 2,4,6-Trinitrotoluene

Talc

Mg₃Si₄O₁₀(OH)₂

14807-96-6

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

1

-

-

-

Tantalum metal and oxide dusts [as Ta]

Ta

7440-25-7
1314-61-0

-

5

-

10

-

Tellurium & compounds, except hydrogen telluride [as Te]

Te

13494-80-9

-

0,1

-

-

-

Terphenyls, all isomers

C₁₈H₁₄

26140-60-3

-

-

0,5

5

-

1,1,2,2-Tetrabromoethane

CHBr₂CHBr₂

79-27-6

0,5

7

-

-

Sk

Tetrabromomethane

CBr₄

558-13-4

see Carbon tetrabromide

Tetracarbonyl nickel

Ni(CO)₄

13463-39-3

see Nickel carbonyl

1,1,2,2-Tetrachloro-1,2-difluoroethane

CCl₂FCCl₂F

76-12-0

100

834

100

834

-

1,1,1,2-Tetrachloro-2,2-difluoroethane

CCl₃CClF₂

76-11-9

100

834

100

834

-

Tetrachloroethylene

Cl₂C=CCl₂

127-18-4

see Perchloroethylene

Tetrachloromethane

CCl₄

56-23-5

see Carbon tetrachloride

Tetrachloronaphthalenes, all isomers

C₁₀H₄Cl₄

1335-88-2

-

2

-

4

-

Tetraethyl dithiopyrophosphate

[(CH₃CH₂O)₂PS]₂O

3689-24-5

see Sulfotep

Tetraethyl orthosilicate

Si(OC₂H₅)₄

78-10-4

see Ethyl silicate

Tetraethyl pyrophosphate

[(CH₃CH₂O)₂PO]₂O

107-49-3

see TEPP

Tetrafluorodichloroethane

CClF₂CClF₂

76-14-2

see 1,2-Dichlorotetrafluoroethane

1,1,1,2-Tetrafluoroethane [HFC 134a]

CF₃CH₂F

811-97-2

1000

4200

-

-

-

Tetrahydrofuran

C₄H₈O

109-99-9

50

148

100

295

Sk [06]

Tetramethyl orthosilicate

(CH₃O)₄Si

681-84-5

see Methyl silicate

Tetramethyl succinonitrile

C₈H₁₂N₂

3333-52-6

0,5

3

2

9

Sk

Tetrasodium pyrophosphate

Na₄P₂O₇

7722-88-5

-

5

-

-

-

Tetryl

(NO₂)₃C₆H₂N(NO₂)CH₃

479-45-8

-

1,5

-

3

-

Thallium, soluble compounds [as Tl]

Tl

-

-

0,1

-

-

Sk

4,4’-Thiobis(6-tert-butyl-m-cresol)

[CH₃(OH)C₆H₂C(CH₃)₃]₂S

96-69-5

-

10

-

20

-

Thioglycolic acid

HSCH₂COOH

68-11-1

1

5

-

-

-

Thionyl chloride

SOCl₂

7719-09-7

-

-

C 1

C 5

[06]

Thiram

(CH₃)₂NCS₂CS₂N(CH₃)₂

137-26-8

-

1

-

-

[06]

Tin compounds, inorganic except SnH₄ [as Sn]

-

-

-

2

-

4

-

Tin compounds, organic except cyhexatin [as Sn]

-

-

-

0,1

-

0,2

Sk

Titanium dioxide

TiO₂

13463-67-7

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

5

-

-

-

Toluene

C₆H₅CH₃

108-88-3

50

188

150

560

Sk

*2,4-Toluene diisocyanate [TDI]

CH₃C₆H₃(NCO)₂

584-84-9

see *Isocyanates

p-Toluenesulphonyl chloride

CH₃C₆H₄SO₂Cl

98-59-9

-

-

-

5

-

Tribromomethane

CHBr₃

75-25-2

see Bromoform

Tributyl phosphate, all isomers

(C₄H₉)₃PO₄

126-73-8

0,2

-

-

-

[06]

Tricarbonyl(eta-cyclopenta-dienyl)manganese

(C₅H₅)Mn(CO)₃

12079-65-1

see Manganese cyclopentadienyl tricarbonyl

Tricarbonyl(methylcyclopenta-dienyl)manganese

CH₃C₅H₄Mn(CO)₃

12108-13-3

see Methylcyclopentadienyl manganese tricarbonyl

Trichloroacetic acid

CCl₃COOH

76-03-9

1

5

-

-

-

1,2,4-Trichlorobenzene

C₆H₃Cl₃

120-82-1

2

16

5

40

[06]

1,1,1-Trichlorobis-2,2-bis(p-chlorophenyl)ethane

(C₆H₄Cl)₂CHCCl₃

50-29-3

see DDT

*1,1,1-Trichloroethane

CH₃CCl₃

71-55-6

see *Methyl chloroform

1,1,2-Trichloroethane

CHCl₂CH₂Cl

79-00-5

10

45

20

90

Sk

*Trichloroethylene

CCl₂=CHCl

79-01-6

50

268

100

535

Sk [06]

Trichlorofluoromethane

CCl₃F

75-69-4

1000

5600

1250

7000

-

Trichloromethane

CHCl₃

67-66-3

see Chloroform

Trichloronitromethane

CCl₃NO₂

76-06-2

see Chloropicrin

2,4,5-Trichlorophenoxyacetic acid

Cl₃C₆H₂OCH₂COOH

93-76-5

-

10

-

20

-

1,2,3-Trichloropropane

CH₂ClCHClCH₂Cl

96-18-4

10

60

-

-

Sk [06]

1,1,2-Trichlorotrifluoroethane

CCl₂FCClF₂

76-13-1

1000

7600

1250

9500

-

Tri-o-cresyl phosphate

(CH₃C₆H₄ O)₃P=O

78-30-8

-

0,1

-

0,3

-

Tricyclohexyltin hydroxide

(C₆H₁₁)₃SnOH

13121-70-5

see Cyhexatin

Tridymite

SiO₂

14808-60-7

see Silica – Crystalline

Triethylamine

(C₂H₅)₃N

121-44-8

2

8

3

12

[06]

Trifluorobromomethane

CF₃Br

75-63-8

1000

6100

1200

7300

-

Trimanganese tetraoxide

Mn₃O₄

1317-35-7

see Manganese tetroxide

Trimellitic anhydride

C₉H₄O₅

552-30-7

-

0,04

-

-

Sen

Trimethylamine

(CH₃)₃N

75-50-3

10

24

15

36

-

Trimethylbenzene, all isomers or mixtures

C₆H₃(CH₃)₃

25551-13-7

25

123

-

-

-

3,5,5-Trimethylcyclohex-2-enone

C₉H₁₄O

78-59-1

see Isophorone

Trimethyl phosphite

(CH₃O)₃P

121-45-9

2

10

-

-

-

2,4,6-Trinitrophenol

(NO₂)₃C₆H₂OH

88-89-1

see Picric acid

2,4,6-Trinitrotoluene

CH₃C₆H₂(NO₂)₃

118-96-7

-

0,5

-

-

Sk

Triphenyl phosphate

(C₆H₅O)₃PO₄

115-86-6

-

3

-

6

-

Tripoli

SiO₂

14808-60-7

see Silica – Crystalline

Tri-o-tolyl phosphate

(CH₃C₆H₄ O)₃P=O

78-30-8

see Tri-o-cresyl phosphate

Tungsten & compounds [as W]

-

7440-33-7
(metal)

-

   soluble

-

1

-

3

-

   insoluble

-

5

-

10

-

Turpentine

C₁₀H₁₆ (approx)

8006-64-2

100

560

150

840

-