| 摘要 |
A system for collecting emission samples can include at least one probe having a plurality of elongate tubes, with each tube having an opening formed therein for positioning in an emission producing facility, such as in an outlet duct of a power generating facility. Each of the tubes can be of varying length with the tube openings at a terminal end of each tube, such that the tube openings reside at varying spaced-apart points when positioned in the outlet duct. Suction means, such as an aspirator, can be operatively connected to the plurality of tubes to suction gas in the facility through the openings and into the tubes, so that emissions carried in the suctioned gas are drawn into the plurality of tubes. A collection container can be operatively connected to the plurality of tubes and the suction means, such that the emissions are suctioned into the tubes and deposited into the collection container.
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