collect samples

Diffuse sources

A source having a specified area or volume that does not have a defined air flow.  Examples include waste dumps, compost piles, sedimentation tank.  An example that is not a…

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Particulate Matter (PM)

Tiny solid or liquid particles that are suspended in air. Particulate matter is produced from a wide variety of sources like natural and human-caused, large and small. They are comprised…

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