Consider, too, how you want to construct the well so that the sampling personnel do not have an excessively long purge time. If these are shallow probes, you can get away with just a small diameter (1") probe. If these are deeper, you may want to consider the installation of some smaller...
The SPCC is being revised. The previous plan didn't really take these issues into consideration. This location moves a lot of different chemicals. No gasoline, but it does handle ethanol.
It sounds like the "pilot test" was somewhat limited. Did you do any step tests? Do your pilot test data allow to approximate the pneumatic characteristics of your vadose zone?
The way your post is written, it sounds like you did one constant-rate test during the pilot. Is that right...
I'm searching for a definitive answer to an issue surrounding rail car loading racks and secondary containment. Short story is this: a facility has a permanent rail car loading rack system. Below the tracks is gravel that is sloped toward a drainage ditch. The ditch leads to an oil water...
