IRSST Publication - Sampling Guide for Air Contaminants in the workplace 8th Edition is available for free download.
In the nonregulated ROHS section I have some concerns.
Be careful when using it to interpret standards. The level listed for isoflurane is 80 mg/cubic meter based on a Swedish study. More recent NIOSH recommendations are 2 ppm as either a STEL or an 8 hour TWA.
The spore limit is listed at 13 spores per cubic meter and there is no reference given for this number.
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