April 20, 2017 Report
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April 20, 2017 Report

 
April 20, 2017   |   ShareThis

April 20, 2017 Report

Defining the Terms – Piezometer

This series will further explain some of the technical terms used in our remediation posts.

This post defines the term “piezometer” which we use when referring to monitoring instruments in the gypstack.

A piezometer is a commonly used instrument to monitor subsurface water levels. Mosaic Fertilizer is using two types of piezometers at New Wales, standpipe piezometers and vibrating wire piezometers, to measure the water levels in and around the gypstack. As the deeper, higher pressure grouting progresses, the piezometers will show an increase in water levels, indicating the confining layer is being repaired. Pictured below are two piezometers installed at New Wales back in February 2017.