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Geoprobe® Soil Gas Sampling Ak* II - $ItiIblpage 1 of 2 <br /> all <br /> Crenu <br /> GeopY S <br /> • be • <br /> I <br /> HOME <br /> I <br /> PRODUCTSOfU-STOMERSVC • <br /> Geoprobe Tools <br /> »Back to Tools Menu <br /> 0 PRT Active Sampling <br /> Main Info <br /> Here's How The Post Run Tubing System (PRT) is an <br /> It Works.,. ideal tool for locating and delineating # <br /> contaminated areas when used properly. <br /> It allows the user to collect soil vapor <br /> samples quickly and easily at the desired <br /> Soil Gas sampling depth WITHOUT the time- <br /> Sampling/PRT consuming complications associated with <br /> Operation rod leakage and contamination. O-ring <br /> Instructions connections enable the PRT system to <br /> deliver a vacuum-tight seal that prevents - L <br /> -Download sample contamination from UP hole, and "F_'-"'' <br /> assures that the sample is taken from the <br /> desired depth at the BOTTOM of the hole. <br /> The sample is drawn through the point <br /> holder, through the adapter, and into the <br /> sample tubing. The tubing can be replaced 0 <br /> after each sample, thus eliminating sample <br /> carryover problems and the need to decontaminate the probe rods. The resulting time- <br /> savings translates into a higher productivity rate for you and your client. <br /> The PRT is inserted AFTER the probe rods are driven to depth. <br /> Advantages include... <br /> • Increases speed and accuracy of soil gas sampling. <br /> • Eliminates problems associated with rod leakage and sample carryover. <br /> • Utilizes simple design for ease of use and vacuum-tight probing. <br /> • Sampling train and all connections can be checked to verify leak-free status. <br /> • Requires no management of inner tubing during probing. <br /> PRT Applications: <br /> • Rapidly define the extent of VOC contamination in the subsurface, under <br /> appropriate conditions. <br /> • Rapidly define potential source areas of VOC contamination over large or small <br /> areas. <br /> • Determine the types of VOC contamination present in the subsurface at a facility. <br /> • Rapidly define the potential extent of groundwater contamination and down gradient <br /> migration of VOC's under appropriate conditions. <br /> • Determine presence, extent, concentration, and types of landfill gasses (methane, <br /> carbon dioxide, et.) present in the subsurface at active and abandoned landfills. <br /> http://www.geoprobe.com/products/tools/soil_gas/prtdesc.htm 8/27/2007 <br />