19
Sulphur Dioxide (SO
2
) (67 28491
)
REQUIREMENT
- NOT REQUIRED AS A STANDARD TEST FOR BREATHING-AIR BUT MAXIMUM
READING OF 1 PPM FOR HTM02-01.
The media in the detector tube will change from grey blue to white to show the presence of sulphur dioxide. The
total length of the white section is the measure of concentration read directly from the 1-25ppm scale in parts
per million.
Polytest (CH 28401)
REQUIREMENT
- NOT REQUIRED AS A STANDARD TEST FOR BREATHING-AIR BUT FOR HTM02-
01 - NO DISCOLORATION.
The media in the detector tube will discolour to provide qualitative determination of easily oxidizable
substances in air. Refer to Polytest data sheets for more specific information. If discoloration occurs further
investigation will be required to determine the source of the contamination.
Disposal of Draeger-Tubes
When Draeger tubes have been used, or unopened tubes have exceeded their expiry date, they should
be disposed of using one of the following methods:
Used Tubes
Submerge the tube(s) in a beaker or metal container filled with water and allow to soak for 24 hours.
Treat the residual water in accordance with local authority waste regulations (some tube aqueous
waste may require neutralisation prior to disposal). Place the tubes in a “sharps” or glass bin wearing
protective gloves and safety spectacles. Dispose of the bin via the company’s normal industrial waste
disposal method(s) i.e. landfill or incineration.
OR
Place the tubes in a “sharps” or glass bin wearing protective gloves and safety spectacles. Dispose of
the bin via the company’s normal hazardous waste disposal method(s) i.e. landfill or incineration.
