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Well Purging Training Courses
4 training items found
by:The Nielsen Environmental Field School based inLas Cruces, NEW MEXICO (USA)
Measurement of field water-quality indicator parameters is a fundamental component of most conventional purging and all low-flow purging and sampling approaches to collecting ground-water samples from monitoring wells. This module explains how to correctly measure the most common water-quality indicator parameters (including pH, specific ...
by:The NELAC Institute (TNI) based inWeatherford, TEXAS (USA)
In 2006, the Office of Inspector General (OIG) in the US Environmental Protection Agency (USEPA) issued a report dedicated to improving drinking water laboratory integrity (Report No. 2006-P-00036). While focused on laboratory data integrity, the authors recognized that field activities (including field measurements and sample collection) were subject to vulnerabilities and lapses in data ...
by:The Nielsen Environmental Field School based inLas Cruces, NEW MEXICO (USA)
Have you ever wondered if there is a better method than you are currently using for collecting more representative water-level data and ground-water samples from your wells? Ever thought about all of the various sources of bias and error in water-level measurement and sample collection procedures and wondered how each could affect the data in your sampling program? This series of 2 modules ...
by:The Nielsen Environmental Field School based inLas Cruces, NEW MEXICO (USA)
Have you ever wondered if there is a better method than you are currently using for collecting more representative water-level data and ground-water samples from your wells? Ever thought about all of the various sources of bias and error in water-level measurement and sample collection procedures and wondered how each could affect the data in your sampling program? This series of 2 modules ...