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Active sampling
Definition
Active air sampling requires a pump to collect air samples. Using a pump, it is possible to collect gases and vapors by pumping air through a tube containing a bed of a sorbent, or it is possible to collect particulates (aerosols) by pumping air through a filter housed in a cassette or size-selective sampler.
Definition and Description
Active air sampling is a method of obtaining air samples that necessitates the use of a pump. This pump allows for the collection of gases and vapors by passing air through a tube containing a sorbent material. Likewise, it permits the collection of particulate matter, such as aerosols, by directing air through a filter housed in a cassette or a size-selective sampler.
