Inhalable dust sampling using the i.o.m. sampler – SKC Limited Sidekick Pump Step By Step Guide User Manual
Page 7
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224-G3 Issue C
Page 5
Inhalable Dust Sampling using the I.O.M. Sampler
result. The I.O.M. sampler complete with the new
filter should now be fitted with the cassette cover
supplied, and is ready to take into the workplace.
Filter used for
calibration
New filter
for sample
8. Mount the sample train (comprising the sample
pump, tubing and I.O.M. sampler) onto the
worker who is to wear it during the sample.
The I.O.M. sampler should be mounted as
close to the breathing zone as is practical and
comfortable. The pump can either be clipped
to a belt or placed into a pouch. Note that the
connecting tube can present a hazard if left
to flap around, in much the same way as a
necktie. Measures should be taken to protect
the wearer by clipping or restraining the tube so
that it cannot become caught up in anything.
30cm
Diameter
Breathing
Zone
I.O.M.
Sampler
Pump
Once the pump is mounted on the worker
in a satisfactory way, remove the cassette
cover and switch on the pump. IMPORTANT:
The start time of the sample should be noted.
9. At the end of the sample switch off the pump,
replace the cassette cover and note the finish
time of the sample. Remove the sample train
from the worker, and once away from the
sample location re-check the flow rate of the
sample pump (as per MDHS14/3). Ensure that
the flow rate check is carried out as quickly as
possible to minimise the chance of collecting
anything that may affect the final result. Remove
the filter cassette from the I.O.M. sampler and
post weigh the filter and cassette. If the sample
is to be sent to a laboratory for further analysis,
refit the cassette cover and fit a cassette clip.
The start and finish times, sample duration,
worker’s name, start and finish flow rates pre
and post sample weights and any other relevant
details of the sample should be noted down and
indexed to the filter paper or cassette by number
or code.