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ITRC ISM Information Sheet
ITRC ISM Technical and Regulatory Guidance Document
Incremental Sampling Methodology Web-based Guidance Document
Helps regulators, consultants, industry, and stakeholders in understanding the principles, application and implementation of Incremental Sampling Methodology (ISM). The document provides users with information on: advantages and limitations of ISM, how to develop an ISM approach, establishing decision units, field implementation, laboratory processing and analysis issues, data assessment, and regulatory considerations. Case studies are provided to aid users in how ISM has been implemented at various sites.
EPA Soil Screening Guidance
Particularly note Part 4 and Appendix I as related to decision error.
Use of Risk Assessment in Management of Contaminated Sites (PDF)
ITRC Overview Document, August 2008