Combination air sampling cassette and nutrient media dish
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United States of America Patent
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-
Oct 29, 2002
Grant Date -
N/A
app pub date -
Nov 1, 2000
filing date -
Nov 1, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A combination air sampling cassette and nutrient media dish having base, orifice plate, and nutrient media dish assembly for the collection of airborne particles. The orifice plate includes a plurality of holes that brings the nutrient media dish into fluid communication with the ambient air. A pump is connected to the air outlet in the base to pull air into the orifice plate through the holes, over the culture media, and out through the air outlet. As the air passes through the holes in the orifice plate it is accelerated and results in the selected impaction of particles in the culture media. A cover fits over the assembly to protect the culture media prior to and after sampling.
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