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IDEM > Programs > Land > Risk Integrated System of Closure

• Home
• New - Announcements
• Introduction: A quick overview of RISC
• User's Guide: For use within each existing remediation program
• Technical Guide: Default and nondefault site closure policy and procedures
• Technical Information & Updates
• Previously Accepted Nondefault Closures
• FAQs: Frequently Asked Questions
• RISC Toolbox
• Subscribe to the RISC Listserv
• Contacts: Get in touch with RISC staff

Recent Updates

• Determining the Fraction of Organic Carbon RISC Nondefault Option - Sept. 2007
• Updated - RISC User's Guide Chapter 2 [PDF] - July 19, 2007
• Vapor Intrusion Website and Guidance - June 26, 2007
• RISC Industrial Non-Default Closure Tool - April 2, 2007
• RISC Default Closure Tool - January 25, 2007
• TCE Closure Levels Information - November 13, 2006
• Announcement of Certain Polycyclic Aromatic Hydrocarbons [PDF] - August 2006
• TPH Nonrule Policy Document - June 15, 2006
  • Chapter 8
  • Chapter 8 Appendix
• RISC User's Guide Chapter 3 [PDF] - April 20, 2006
• Appendix 1 – RISC Default Closure Tables 2006 [PDF] - January 31, 2006

If you have questions regarding RISC, please see the Contact about RISC webpage

 

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