Apparatus to assist in the collection of stormwater-quality samples in a vertical profile
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United States of America Patent
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Oct 16, 2012
Grant Date -
N/A
app pub date -
May 13, 2010
filing date -
May 18, 2009
priority date (Note) -
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Abstract
A sampling method, fluid collection assembly, and auxiliary sampling device to assist an autosampler in collecting samples from a fluid source. The auxiliary sampling device includes a support frame with a pivot member. A linear actuator having a piston is attached to the support frame. A rotatable sample arm assembly has an upper end attached to the piston and to the pivot member of the support frame, and a lower end with an inlet to receive a fluid sample. A fluid conduit within the sample arm assembly has a fluid intake end connected to the inlet and a fluid discharge end connected to the autosampler. The linear actuator pushes or retracts the piston to vertically pivot the sample arm assembly until the inlet reaches desired positions within the fluid source so that the autosampler collects multiple samples at various depths.
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