INCREMENTAL SAMPLING METHODOLOGY ISM Date Overview of IBT
INCREMENTAL SAMPLING METHODOLOGY (ISM) Date
Overview of IBT § IBT-1 • Introduction to Incremental Sampling Methodology • Nature of Soil Sampling and ISM Principles • Systematic Planning and Decision Unit Designation • ISM Statistical Sampling Design § IBT-2 • Field Implementation, Sample Collection and Processing • Laboratory Sample Processing and Analysis • Making Decisions with ISM Data • Regulator and Stakeholder Concerns with ISM
Key Learning Objectives § Subtitle • Data • Data
Section 1 Introduction to ISM Date
Definition of ISM § ISM is a structured sampling and processing protocol that reduces data variability and increases sample representativeness • Data § Subtitle • Data
Elements of ISM § Field collection § Processing (drying and sieving) § Laboratory procedures (grinding, subsampling and analysis)
Examples of ISM Use § Method 8330 § Hawaii and Alaska guidance § Other states’ experiences § Federal agencies interests/activities
Implementing ISM (Fig. 1 -2)
Key Issues Identified in Survey § DQOs § Dilution of hot spots § Compositing § UCLs § Comparability with previously-collected discrete sampling results § Laboratory certification § Regulatory acceptance
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