On May 4, 2010, Cox-Colvin applied for and received a patent for the Vapor Pin™, a sub-slab sampling device that we believe will eliminate many of the headaches surrounding sub-slab soil gas sampling. The goal of the design effort was to come up with a sub-slab soil-gas collection device that would reduce the potential for leaks, be easily installed and retrieved using commonly obtainable tools, be reusable, reduce the time and cost of sub-slab sampling, and improve the quality of samples obtained from the sub-slab.
The Vapor Pin™ fits the bill. It's installed using common hand tools, doesn't require use of grout (thus saving another day in the field), and provides a single leak-proof connection between the sub-slab and the sampling device. We've also devised a leak detection method that we believe could become the standard for the industry.
We're refining the design at this time and plan to publish our results in the near future. If you'd like to receive more information on the Vapor Pin™, please drop us an email at info@coxcolvin.com. Please include Vapor Pin in the subject.
Cox Colvin & Associates, Inc.
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