Get high quality samples with your drive-point Piezometer

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Courtesy of Solinst Canada Ltd.

The results from short-term and long-term groundwater monitoring studies have shown that samples taken from Direct Push wells are comparable in quality to those obtained from conventional monitoring wells (ITRC, 2006).

Solinst offers the Model 615 Drive-Point Piezometers that can be driven into suitable soils for groundwater sampling up to 20 to 25 ft. (6 – 7.5 m). High quality samples from a Solinst Model 615 Drive-Point Piezometer can be easily obtained with the use of a Solinst 410 Peristaltic Pump.

The Tubing By-Pass ensures that the tubing is not damaged while the piezometer is driven to depth.

Maintaining Sample Integrity
The 615 Drive-Point Piezometer tip comes with an inner barbed fitting to attach 5/8' OD x 1/2' ID Teflon® or LDPE sample tubing. The Model 410 Peristaltic Pump uses this same size tubing in medical grade silicon. The tubing from the 615 Drive-Point Piezometer tip can be simply connected to the 410 Peristaltic Pump tubing with a short length of 1/2' OD tubing.

This setup maintains sample integrity from the Drive-Point Piezometer tip to the sample discharge at surface, even when inexpensive carbon steel extensions are used. Connecting the tubing from the Drive-Point Piezometer tip to the pump head prevents sample water from contacting the steel extension rods of the 615 Drive-Point Piezometer during sampling. The piezometer tips and screens are made of high quality stainless steel, allowing a “clean” sample.

In addition, when using the Model 410 Peristaltic Pump, the samples come in contact only with the tubing, also helping to maintain sample integrity.

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