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BEAM P
LUS FOR
N
EW
B
UILDINGS
A
PPENDICES
V
ERSION
1.2
8.7 S
AMPLING
P
ROTOCOL FOR
IAQ A
SSESSMENTS
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A - 25
known, a snapshot of measurement at any time can be used to
determine the equivalent 8-hour exposure, and to check if any abnormal
built up of the pollutant has occurred. This is particularly useful when
availability of instrumentation is a problem.
P
RINCIPLE
5:
C
HOICE OF ALTERNATIVE
INSTRUMENTATION
If the simpler measuring instrument using in the sampling is different
from the requirement mentioned in the Guidance Notes for any reason,
the calibration of this measuring instrument against the standard shall be
undertaken in order to prove that the measuring instrument is suitable for
the sampling. Therefore, the cost of sampling can be reduced if the
Client’s representative already has an instrument that is not specified in
the Guidance Note.