How to bail a well

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=fUNCHdxBW_Q

For all of those who wonder what I am mean when I say "I'm doing some groundwater sampling", well (pun intended), here is how. This bailer has a check valve...

aqua, bailer, groundwater, sampling, well, water, contamination, chemicals, sample, ground, bail, purge, volume
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