• Skip to main content
itrc_logo

ism

Home
About ITRC
Navigating this Website
1 Introduction
1 Introduction
1.1 Sampling to Accurately Inform Environmental Cleanup
1.2 What Is ISM?
1.3 Why Should ISM Be Considered for My Site?
1.4 How Is ISM Implemented for Environmental Sampling?
1.5 Document Content – How to Use This Guidance
2 Nature of Soil Sampling
2 Nature of Soil Sampling
2.1 Introduction
2.2 ISM Accommodates the Complexities of Soil Testing
2.3 Mean ISM QC
2.4 Physical Causes of Soil Data Variability
2.5 Sample and Data Representativeness
2.6 Managing Heterogeneity to Ensure Sample Representativeness
3 Systematic Planning, Statistical Analyses, and Costs
3 Systematic Planning, Statistical Analyses, and Costs
3.1 Systematic Planning and DU Design
3.2 Statistical Concepts and Applications in ISM Projects
3.3 Planning for the Use of ISM Data
3.4 Cost-Benefit Analysis
4 Regulatory Context Field Implementation, Sample Collection, and Preparation
4 Regulatory Context Field Implementation, Sample Collection, and Preparation
4.1 Introduction
4.2 Field Planning
4.3 Field Locating
4.4 Sampling Tools and Methods
4.5 Decontamination
4.6 Sample Handling and Mass Reduction
5 Sample Processing and Analysis
5 Sample Processing and Analysis
5.1 Introduction
5.2 Choosing Appropriate ISM Processing Options
5.3 ISM Sample Preparation and Analysis
5.4 Quality Assurance/Quality Control
6 Data Quality Evaluation
6 Data Quality Evaluation
6.1 Data Verification, Validation, and Usability
6.2 Evaluation of DU Results
6.3 Evaluation of Statistical Assumptions
6.4 Decision Endpoints
7 Regulatory Acceptance
7 Regulatory Acceptance
7.1 Comparison of Survey Results from 2009 to 2019
7.2 Current State of Practice
7.3 Factors Affecting Regulatory Acceptability
7.4 Benefits to Foster Regulatory Acceptance of ISM
8 ISM for Risk Assessment
8 ISM for Risk Assessment
8.1 Introduction
8.2 Systematic Planning for ISM Data Use in Risk Assessment
8.3 EPCs from ISM Data for Human and Ecological Risk Assessment
8.4 Considerations for Use of Background ISM Data in Risk Assessment
8.5 Use of ISM for Post-Remediation Risk-Based Confirmation Sampling
8.6 Risk Communication Suggestions for Explaining ISM
9 Stakeholder Perspective and Tribal Input
9 Stakeholder Perspective and Tribal Input
9.1 Introduction
9.2 Stakeholder Engagement Through Systematic Planning
9.3 Communicating with Stakeholders
9.4 Case Studies
Appendices
Appendix A: Case Study Summaries
Appendix B: Statistical Simulations
Appendix C: Team Contacts
Appendix D: Glossary
Appendix E: Acronyms
Appendix F: References
Acknowledgments
Document Feedback

 

ISM
HOME

Navigating this Website

Frequently Asked Questions

How does the navigation work?
▼Read more

For the left-hand navigation, to open or close a topic, click on it. On a mobile device the menu appears as three dashed lines at the top of the page. Click on it to open the menu.

How do I view separate parts of the document in separate screens?
▼Read more

Open the section of interest. Right click on the link for the second section of interest. Select “Open link in a new window with navigation”. This approach works for any link you wish to view in a separate window.

What is the suggested citation for this document?
▼Read more

Permission is granted to refer to or quote from this publication with the customary acknowledgment of the source. The suggested citation for this document is as follows:

ITRC (Interstate Technology & Regulatory Council). 2020. Incremental Sampling Methodology (ISM) Update ISM-2. Washington, D.C.: Interstate Technology & Regulatory Council, ISM-2 Team. www.itrcweb.org.

How do I access the ISM-2 website (what is the site URL)?
▼Read more

To access the new ISM-2 website, you can visit http://ism-2.itrcweb.org/.

Can I bookmark parts of this guidance?
▼Read more

You can bookmark sections of this guidance. Each section has a unique URL, so it can be shared, emailed, or saved in the browser bookmarks (as you would save a normal browser favorite or bookmark).

How do I print from this document?
▼Read more

To print material from the website, use the Print this page link at the bottom of each page.

image_pdfPrint this page/section
glossary Full PDF
glossaryGlossary
referencesReferences
acronymsAcronyms
ITRC
Contact Us
About ITRC
Visit ITRC
social media icons Click here to visit ITRC on Facebook Click here to visit ITRC on Twitter Click here to visit ITRC on LinkedIn ITRC on Social Media
about_itrc
Permission is granted to refer to or quote from this publication with the customary acknowledgment of the source (see suggested citation and disclaimer). This web site is owned by ITRC • 1250 H Street, NW • Suite 850 • Washington, DC 20005 • (202) 266-4933 • Email: [email protected] • Terms of Service, Privacy Policy, and Usage Policy ITRC is sponsored by the Environmental Council of the States.