Environmental Monitoring

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Considered a mentor by those who worked with him, Tom Oothoudt is fondly remembered as a visionary in the sonic drilling industry. The former head of North Star Drilling passed away last November, but his legacy will live on for years to come.

Whenever I read an issue of The Driller magazine and see an article about limited-access drilling, I get a little excited. But then I usually feel a bit disappointed when I realize that it’s about limited access for foundation drilling. While it certainly is important to have buildings with a properly designed and built foundation, that’s not the only type of limited access drilling. In my case, the discipline is geotechnical and environmental drilling.

When it comes to silt, clay and other loose surfaces, Direct Push is the way to go. 

Several procedures involved with the use of ESASS (Enhanced Screen Auger Sampling System) as a vertical profiling tool are discussed in this section.

It's a common problem: You have a job that looks doable, but has space limitations. 

Sevier Lake is a bit of a misnomer: The lake, located in central Utah's Sevier Desert, has historically been dry more often than not. 

Vertical profiling system alleviates disadvantages of using screen auger.

Improving on traditional sampling methods.