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Public Comment Requested By Civil Engineers
July 3, 2009

The American Society of Civil Engineers (ASCE) Environmental and Water Resources Institute (EWRI) recently announced it will conduct a public comment on the third part of a professional standard, Fitting of Hydraulic Conductivity Using Statistical Spatial Estimation (KSTAT). The final public comment period for the KSTAT Standard document will be held July 15th, 2009 to August 31st, 2009.

This is the third in an expected series of standard guidelines that seeks to enhance the probabilistic characterization and understanding of the behavior of the saturated hydraulic conductivity.

The KSTAT Standards Committee published two companion standard guidelines, ASCE/EWRI Standard 50-2008 (ASCE, 2008a) and ASCE/EWRI Standard 51-2008 (ASCE, 2008b). The former addressed the optimal fitting of saturated hydraulic conductivity (K) with skewed probability density functions (pdfs). The latter dealt with the estimation of the effective saturated hydraulic conductivity. The first two standard guidelines contain foundational material relevant to this third standard guideline.

To participate in the public comment period, contact Lee Kusek, ASCE Standards Administrator, at or (703) 295-6176. For more information on the standard, or ASCE’s standards program, please contact Anthony Reed at or (703) 295-6413.

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