Individual E-Modules

"Learn Practical Field Methods from the Field Training Experts."

Individual E-Modules

GWM-15 Planning and Executing a Successful Ground-Water Sampling Event
GWM-16 Field Decontamination Procedures for Ground-Water Sampling Equipment
GWM-17 Field Quality Assurance/Quality Control Practices for Ground-Water Sampling Events
GWM-18 The Science Behind Ground-Water Sampling (Part 1): Objectives of Ground-Water Sampling; The Importance of High-Quality Data; Uses of Water-Level Data; Water-Level Measurement Methods and Procedures; Recognizing and Avoiding Sources of Bias
GWM-19 The Science Behind Ground-Water Sampling (Part 2): Sources of Bias and Error in Ground-Water Sampling; Conditions Under Which Ground Water Occurs; Factors Affecting the Representative Nature of Ground-Water Samples
GWM-20 Purging and Sampling Device Selection Criteria; Operational Characteristics, Applications and Limitations of Grab Samplers, Suction-Lift Pumps & Electric Centrifugal Submersible Pumps
GWM-21 Operational Characteristics, Applications and Limitations of Positive Displacement Pumps (Gear-Drive Electric Submersible Pumps, Double-Acting Piston Pumps, Bladder Pumps and Gas-Drive Pumps) and Inertial-Lift Pumps
GWM-22 Conventional Purging and Sampling Practices for High-Yield and Low-Yield Wells
GWM-23 Practices and Procedures for Low-Flow Purging and Sampling
GWM-24 Practices and Procedures for No-Purge Sampling
GWM-25 Field Water-Quality Indicator Parameter Measurement During Well Purging
GWM-26 Ground-Water Sample Filtration
GWM-27 Ground-Water Sample Preservation
GWM-28 Ground-Water Sample Handling and Shipment
GWM-29 Documentation of Ground-Water Sampling Events