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DME OELs:

DME OELs 2006

Q - S

SUBSTANCE

FORMULA

CAS
Numbers

OEL

OEL-STEL/ OEL-C

Notes

ppm

mg/m³

ppm

mg/m³

Quartz, crystalline

SiO₂

14808-60-7

see Silica – Crystalline

Quinone

C₆H₄O₂

106-51-4

0,1

0,4

0,3

1,2

-

RDX

C₃H₆N₆O₆

121-82-4

see Cyclonite

Resorcinol

C₆H₄(OH)₂

108-46-3

10

45

20

90

-

Rhodium [as Rh]

Rh

7440-16-6
(metal)

-

   metal fume & dust

-

0,1

-

0,3

-

   soluble salts

-

0,001

-

0,003

-

Ronnel

(CH₃O)₂P(S)OC₆H₂Cl₃

299-84-3

-

10

-

-

-

Rosin core solder pyrolysis products [as formaldehyde]

-

-

-

0,1

-

0,3

Sen

Rotenone

C₂₃H₂₂O₆

83-79-4

-

5

-

10

-

Rouge

Fe₂O₃

1309-37-1

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

5

-

-

-

*Rubber fume

-

-

-

0,6

-

-

-

*Rubber process dust

-

-

-

6

-

-

Selenium & compounds, except hydrogen selenide [as Se]

Se

7782-49-2

-

0,1

-

-

-

Silane

SiH₄

7803-62-5

see Silicon tetrahydride

Silica, amorphous

SiO₂

7631-86-9

-

   inhalable particulate

-

6

-

-

-

   respirable particulate

-

3

-

-

-

*Silica, crystalline [respirable particulate]

SiO₂

14808-60-7

-

   Cristobalite

14464-46-1

-

0,1

-

-

-

14808-60-7

-

0,1

-

-

-

   Tridymite

-

0,1

-

-

-

   Tripoli

1317-95-9

-

0,1

-

-

-

69012-64-2

-

2

-

-

-

Silica, fused [respirable particulate]

SiO₂

60676-86-0

-

0,1

-

-

-

Silicon

Si

7440-21-3

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

5

-

-

-

Silicon carbide

SiC

409-21-2

-

-

-

-

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

5

-

-

-

Silicon tetrahydride

SiH₄

7803-62-5

0,5

0,7

1

1,5

-

Silver

Ag

7440-22-4
(metal)

-

0,1

-

-

-

Silver compounds [as Ag]

-

-

-

0,01

-

-

-

Sodium azide

NaN₃

26628-22-8

-

-

-

0,3

-

Sodium cyanide

NaCN

143-33-9

see Hydrogen cyanide and cyanide salts

Sodium 2,4-dichlorophenoxy ethyl sulphate

C₈H₇Cl₂NaO₅S

136-78-7

-

10

-

20

-

Sodium fluoroacetate

CH₂FCOONa

62-74-8

-

0,05

-

0,15

Sk

Sodium hydrogen sulphite

NaHSO₃

7631-90-5

-

5

-

-

-

Sodium hydroxide

NaOH

1310-73-2

-

-

-

C 2

[06]

Sodium metabisulphate

Na₂S₂O₅

7681-57-4

-

5

-

-

-

Starch

(C₆H₁₀O₅)_n

9005-25-8

-

   inhalable particulate

-

10

-

-

-

   respirable particulate

-

5

-

-

-

Stibine

SbH₃

7803-52-3

0,1

0,5

0,3

1,5

-

Strychnine

C₂₁H₂₂N₂O₂

57-24-9

-

0,15

-

0,45

-

*Styrene, monomer

C₆H₅CH=CH₂

100-42-5

50

210

100

420

[06]

Subtilisins [Proteolytic enzymes as 100% pure crystalline enzyme]

-

1395-21-7
9014-01-1

-

-

-

C 0,00006

[06]

Sucrose

C₁₂H₂₂O₁₁

57-50-1

-

10

-

20

-

Sulfotep

[(CH₃CH₂O)₂PS]₂O

3689-24-5

-

0,2

-

-

Sk

Sulphur dioxide

SO₂

7446-09-5

2

5

5

13

-

Sulphur hexafluoride

SF₆

2551-62-4

1000

6000

1250

7500

-

Sulphuric acid

H₂SO₄

7664-93-9

-

1

-

3

-

Sulphur monochloride

S₂Cl₂

10025-67-9

-

-

1

6

-

Sulphur pentafluoride

S₂F₁₀

5714-22-7

0,025

0,25

0,075

0,75

-

Sulphur tetrafluoride

SF₄

7783-60-0

0,1

0,4

0,3

1

-

Sulphuryl difluoride

SO₂F₂

2699-79-8

5

20

10

40

-