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Developing an effective soil sampling strategy is a complex task that requires significant planning and forethought. Prior to selecting an appropriate strategy, it is essential to review as many background documents as possible about the site and its surroundings, to create an initial conceptual site model (CSM) for the facility. With the preliminary CSM in place, you must then field-verify the details of your model by conducting a thorough site reconnaissance. There are many questions that must be asked and answered during site reconnaissance that will guide you through the development of an effective sampling strategy. This topic is covered in two modules. The first module walks you through the development of a CSM and demonstrates how to conduct an effective site reconnaissance. You will learn how information obtained in the site reconnaissance is used to fine-tune the CSM and how information obtained in the field during reconnaissance is used in the development of effective sampling strategies and selection of appropriate sampling procedures. This module also provides a detailed look at sample collection from the perspective of determining whether to collect discrete or composite samples. The second module covers the why, where and how, and the critical importance of collecting background samples, as well as the various strategies typically utilized to collect samples in three dimensions to satisfy project objectives. You may opt to take just one of the modules, but it is strongly recommended that you take both modules in the prescribed order if you want comprehensive coverage of the subject.

Module SS-02 (Total Length: 56 minutes) Price: $159.00 Sign in to Your E-School Account to Register

Developing a Conceptual Site Model and Fine-Tuning it With Site Reconnaissance

  • Developing a Preliminary Conceptual Site Model (CSM) Prior to Developing Your Sampling Strategy
  • Types of Background Information to Review
  • Conducting an Effective Site Reconnaissance
  • Questions to Ask During Site Reconnaissance to Fine-Tune the CSM and Focus the Sampling Strategy
  • Addressing Environmental Variability in the Field
  • Evaluating the Best Type of Sample to Meet Project Objectives – Grab (Discrete) Samples vs. Composite Samples
  • Advantages and Limitations of Grab (Discrete) Samples vs. Composite Samples

Total CEUs for Module SS-02: 1 CEU

Module SS-03 (Total Length: 56 minutes) Price: $159.00 Sign in to Your E-School Account to Register

Strategies for Three-Dimensional Sampling of Soil

  • Collecting Background Samples – Why, Where and How
  • Determining Where to Collect Samples
  • Haphazard Sampling
  • Judgmental Sampling
  • Probability (Statistical) Sampling
  • Multi-Incremental Sampling
  • Search Sampling
  • Hybrid Sampling

Total CEUs for Module SS-03: 1 CEU