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