rock coring News
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High resolution multi-level monitoring for bedrock aquifers
This presentation describes a comprehensive approach for determining the nature, extent, transport and fate of contaminants at industrial sites on fractured rock, with emphasis on sedimentary rock, referred to as the Discrete Fracture Network (DFN) approach. Development of this DFN approach began at a sandstone site in California in 1997, where the initial version of a method for measuring ...
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Watch NMR Webinar by Vista Clara’s Dave Walsh for South African Geophysical Association
On October 21, 2020, Vista Clara CEO, Dave Walsh presented an extensive webinar on “Magnetic Resonance for Groundwater Investigations” for the South African Geophysical Association (SAGA). The webinar abstract includes the following description: The NMR measurement technique has been adapted in several forms for geophysical applications, and in recent years has been used more widely ...
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ASTM D6063 - 11 Standard Guide for Sampling of Drums and Similar Containers by Field Personnel
1. Scope 1.1 This guide covers information, including flow charts, for field personnel to follow in order to collect samples from drums and similar containers. 1.2 The purpose of this guide is to help field personnel in planning and obtaining samples from drums and similar containers, using equipment and techniques that will ensure that the objectives of the ...
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Withdrawn Standard: ASTM D420-98(2003) Standard Guide to Site Characterization for Engineering Design and Construction Purposes (Withdrawn 2012)
This guide refers to ASTM methods by which soil, rock, and ground water conditions may be determined. The objective of the investigation should be to identify and locate, both horizontally and vertically, significant soil and rock types and ground water ...
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