| DrillPro Services, Incorporated has a couple of methods available for vapor sampling. We have installed permanent vapor points (using ¾" PVC) dozens of times. We use an expendable point and push to the desired depth and install a 6" or 12" screened section at the desired interval and complete with a sand pack and seal. This works great for permanent sampling points. We can also set small diameter Geoprobe stainless steel screens at desired intervals if necessary. We can also do grab vapor samples. We drive a disposable point to depth and then can collect the vapor samples through the rods themselves. This is great for quick and easy grab samples.
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