| CPC G01N 1/2247 (2013.01) [B64D 13/00 (2013.01); G01N 1/2205 (2013.01); G01N 1/2273 (2013.01); G01N 1/40 (2013.01); G01N 2800/26 (2013.01)] | 7 Claims |

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1. A method of monitoring aircraft air comprising:
removing a conical collector through a cabin exhaust valve of the aircraft, wherein ambient cabin air has been driven from the cabin over a reagent fluid within the conical collector in order to collect a representative sample within the reagent fluid to monitor the aircraft air and wherein the representative sample is at least one of collected at a bottom of the conical collector or smeared on the inner surface of the conical collector.
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