US 12,241,881 B2
Particulate-based cumulative contaminant sampling device
Samuel C. Kessler, Campbellsville, KY (US); and Peter J. Cinotto, Shelbyville, KY (US)
Assigned to U.S. Geological Survey, Reston, VA (US)
Filed by UNITED STATES GEOLOGICAL SURVEY, Reston, VA (US)
Filed on Nov. 19, 2021, as Appl. No. 17/531,292.
Prior Publication US 2023/0168235 A1, Jun. 1, 2023
Int. Cl. G01N 33/18 (2006.01); G01N 1/04 (2006.01); G01N 1/40 (2006.01); G01N 5/00 (2006.01)
CPC G01N 33/18 (2013.01) [G01N 1/04 (2013.01); G01N 1/4005 (2013.01); G01N 1/4077 (2013.01); G01N 5/00 (2013.01); G01N 2001/4083 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A sampling device comprising:
an elongated tubular body having a longitudinal axis and a hollow interior enclosed at a top longitudinal end and a bottom longitudinal end of the body;
a particulate matter; and
at least one discrete, removable bag consisting of mesh material disposed in the interior of the body and configured to contain the particulate matter inside the at least one bag;
the at least one bag is a first mesh bag;
the first mesh bag positioned as an innermost mesh bag contained inside one an outer second mesh bags in a nested configuration when two or more mesh bags are disposed in the interior of the body;
the body including a plurality of body openings on one half lateral side of the body and no body openings on an opposite half lateral side of the body.