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For information on recent workshops and conferences, contact:
Sonya Rowe
Remediation & Redevelopment Program

Cleanup and redevelopment workshops and conferences

Consultants' Day 2015 Registration
Consultants' Day 2015

Staff from DNR's Remediation & Redevelopment (RR) Program are available to speak at workshops, conferences and meetings in Wisconsin. If you are interested in having someone speak at your event, please contact Mick Skwarok (608-266-9263).

Upcoming seminars and workshops

June 1, 2016: Issues & Trends - LNAPL Transmissivity (Tn) – How quickly does petroleum product move within aquifers?  

After the Interstate Technology & Regulatory Council (ITRC) suggested Light Non-Aqueous Phase Liquid (LNAPL) Tn as a remedial performance metric in its 2009 guidance (“Evaluating LNAPL Remedial Technologies for Achieving Project Goals”), interest in the use and meaning of Tn measurements has increased significantly. LNAPL Tn values offer a vastly improved performance metric over well-based LNAPL thicknesses. In regards to remedial hydraulic recovery, it is one of several factors that can be used to judge the “maximum extent practical.” Consequently, it increasingly is becoming an important parameter to understand and measure.

The presentation will emphasize the context of LNAPL Tn values, which should provide a practical indication of its utility and limits. We will review the various field techniques and required measurements needed to evaluate LNAPL Tn. Lastly, DNR will also review analyses used to estimate LNAPL Tn under various aquifer conditions. 

Webinar details

  • Time: noon - 1 p.m.
  • Join by phone: 1-855-947-8255, passcode 6612 745#
  • Presentation [PDF]
  • Optional: submit questions in advance to (include the date or title of the presentation in the subject line)

Check out the schedule of Issues & Trends webinars [PDF] to see what is on the horizon.

Previous seminars and workshops

May 4, 2016: Issues & Trands - Post Closure Modifications: Covers and Property Boundary Changes

Jane Lemcke, DNR, presents information on the post-closure modification process and discusses examples provided in the guidance, Post-Closure Modifications: Changes to Property Conditions after a State-Approved Cleanup (RR-987) [PDF].

The presentation is available on the RR Program training library.

April 6, 2016: Issues & Trends - Contaminated Materials Management

Policy and Technical Resources Section Chief Judy Fassbender leads a conference call on the NR 718 process for managing contaminated soil at a location other than a licensed facility approved to accept that waste, including a discussion of the requirements for immediate, interim and remedial actions.

Judy highlights the applicability of NR 718 and the Low Hazard Exemption process as they relate to management of contaminated soil and other solid waste material.  She touches on an introduction to the planned receiving site tracking  process for future identification of sites where contaminated materials have been managed and where continuing obligations have been placed. Judy also summarizes the information to be considered when making a waste determination.

The presentation is available on the RR Program training library.

February 3, 2016: Issues and Trends presentation - Screening Closed BRRTS Sites for Vapor Risk: How Information in RR-042 Can Help Speed Property Transactions

The RR Program’s February Issues & Trends event features DNR Hydrogeologists Alyssa Sellwood and Terry Evanson with a discussion on how recent agency guidance (DNR Case Closure Continuing Obligations: Vapor Intrusion - RR-042) can help environmental consultants when they screen closed BRRTS sites for vapor risk.  

Property transactions often involve assessing the environmental risks at closed contaminated sites. Many contaminated properties have been closed without assessing the vapor pathway. Alyssa and Terry explain how the DNR guidance can help speed up some property transactions in these circumstances.

The presentation is available on the RR Program training library.

January 20, 2016: Issues and Trends presentation - Importing Soil to VPLE Sites

The DNR Remediation and Redevelopment (RR) Program held a training opportunity on a new guidance titled “Obtaining DNR Approval Prior to Use of Imported Soil and Other Fill Materials on Voluntary Party Liability Exemption Sites” (RR-041).  Any environmental professional involved with cleanup and redevelopment of real estate is encouraged to watch this webinar.

Judy Fassbender and Michael Prager from the RR Program explain why the guidance was issued, walk through the process and answer questions. Michael and Judy also discuss the DNR approval process and how to handle common case situations. To prepare for the training please read the new guidance document prior to the presentation.

The presentation is available on the RR Program training library.

Last revised: Wednesday May 25 2016