- Description
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Details
Some IAQ investigators collect samples from cavities behind walls by drilling ¼” holes, inserting inner wall samplers attached to Micro-5 cassettes and pulling 5 Litters per minute for 0.5-2 minutes. The resulting samples may indicate inner wall fungal contamination within a cavity. The cassette connector is also used to connect the sampling cassette to a rotameter or calibrator for flow calibration.