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OEL-CL

OEL-RL:

A-B C-C D-D E-E F-L M-M N-O P-P Q-S T-T U-Z

DOL OEL - RL

Q - S

Substance

TWA OEL-RL

Short Term OEL-RL

Notes
ppm mg/m3 ppm mg/m3
Quartz, crystalline
   respirable dust - 0.4 - - -
Quinone 0.1 0.4 0.3 1.2 -
RDX - 1.5 - 3 Sk
Resorcinol 10 45 20 90 -
Rhodium (as Rh),
   metal fume and dust - 0.1 - 0.3 -
   soluble salts - 0.001 - 0.003 -
Ronnel - 10 - - -
Rosin core solder pyrolysis products as formaldehyde - 0.1 - 0.3 Sen
Rotenone (ISO) - 5 - 10 -
Rouge
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
Selenium and compounds, except hydrogen selenide (as Se) - 0.1 - - -
Silane 0.5 0.7 1 1.5 -
Silica, amorphous
   total inhalable dust - 6 - - -
   respirable dust - 3 - - -
Silica, fused
   respirable dust - 0.1 - - -
Silicon
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
Silicon carbide
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
Silicon tetrahydride 0.5 0.7 1 1.5 -
Silver - 0.1 - - -
Silver compounds (as Ag) - 0.01 - - -
Sodium azide - - - 0.3 -
Sodium 2-(2,4-dichlorophenoxy) ethyl sulphate - 10 - 20 -
Sodium fluoroacetate - 0.05 - 0.15 Sk
Sodium hydrogensulphite - - - -
Sodium hydroxide - - - 2 -
Sodium metabisulphate - 5 - - -
Starch
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
Stibine 0.1 0.5 0.3 1.5 -
Strychnine - 0.15 - 0.45 -
Styrene 100 420 250 1050 -
Subtilisins (Proteolytic enzymes as 100% pure crystalline enzyme) - 0.00006 - 0.00006 -
Sucrose - 10 - 20 -
Sulfotep (ISO) - 0.2 - - Sk
Sulphur dioxide 2 5 5 13 -
Sulphur hexafluoride 1000 6000 1250 7500 -
Sulphuric acid - 1 - - -
Sulphur monochloride - - 1 6 -
Sulphur pentachloride 0.025 0.25 0.075 0.75 -
Sulphur tetrafluoride 0.1 0.4 0.3 1 -
Sulphuryl difluoride 5 20 10 40 -