The Remediation and Redevelopment Program reminds you that the next webinar in the Issues & Trends series will take place on Wednesday, December 16, from 12:00 p.m. to 1:00 p.m.
Plans for Consultants’ Day 2020 are in full swing, with an exciting keynote speaker identified for both events and a distance-learning option in place for the May conference.
The first of two Consultants’ Day conferences is scheduled for Wednesday, April 29 in Stevens Point at the Holiday Inn Convention Center. The second event will take place on Wednesday, May 13 in Pewaukee at the Ingleside (formerly the Country Springs). The Remediation and Redevelopment (RR) Program anticipates registration opening soon for both events. That announcement will be promptly shared via the RR Report and shared on the RR Program’s Conference & Training web page.
DOD Utility Study
The DNR recently learned about a recent study on vapor migration within utilities. The study, funded by the Department of Defense Environmental Security Technology Certification Program (ESTCP), is titled Sewers and Utility Tunnels as Preferential Pathways for Volatile Organic Compound Migration into Buildings; Risk Factors and Investigation Protocol.
The Remediation and Redevelopment (RR) Program has created a new web page for contaminated soil and sediment, and recently completed additional webpage updates.
The new contaminated soil and sediment web page contains guidance and instructions on the soil RCL calculator and information about alternative soil assessments, soil and materials management under Wis. Admin. Code ch. NR 718, historic fill exemptions, contaminated sediments, PCBs in soil, smear zone contamination, and biodegradation as a remedial action.
If you already have Resources for Environmental Professionals bookmarked, a link to the new webpage can be found in the “Related Links” section, as well as at the top of that page for a limited time.
The DNR’s Remediation and Redevelopment Program brings back the Issues & Trends series at noon on April 4 with a conference call regarding the recently published guidance on vapor intrusion.
The guidance, Addressing Vapor Intrusion at Remediation & Redevelopment Sites in Wisconsin, RR-800, was revised in January 2018. During the next Issues & Trends event, vapor intrusion team leader Alyssa Sellwood will walk participants through key updates to RR-800 to familiarize callers with the new document. Alyssa will also discuss several topics related to vapor mitigation in greater detail, including mitigation in new construction and the importance of performance verification.
To join the conference call:
- Dial 1-855-947-8255
- Enter passcode 6612 745#
- On April 4, 2018
- At 12:00 p.m. CST
There is no cost to participate and no pre-registration is required.
Questions or comments in advance can be sent to DNRRRComments@wisconsin.gov. Handouts or any other materials related to the April 4 conference call will be made available in advance at the RR Program’s Conference and Training web page.
Following two years of effort and collaboration with external partners to update guidance on response actions for vapor intrusion, the Remediation and Redevelopment Program is pleased to announce that the document, Addressing Vapor Intrusion at Remediation and Redevelopment Sites in Wisconsin (PUB-RR-800), is available to the public. (To see the DNR’s responses to comments received during the public comment period for the draft, please visit click this link.)
The guidance relates to the assessment, remediation and mitigation of the vapor intrusion pathway at contaminated sites in Wisconsin, for both chlorinated and petroleum substances.
Among numerous updates, the new guidance incorporates the changes made to the Wisconsin Administrative Code ch. NR 700 in 2013. It also includes information found in the EPA’s 2015 vapor intrusion guidance documents, and it provides additional details on mitigation, including principles found in the American Association of Radon Scientists and Technologists (AARST) 2017 national standard on vapor mitigation, SCM-SF-2017).
The RR-800 guidance was most recently updated in 2010.
Questions or comments about the new guidance can be addressed to Alyssa Sellwood.
The Remediation and Redevelopment Program will host a two-hour “Q & A” regarding the agency’s new guidance on vapor intrusion. The open house event will take place on Tuesday, August 29, in Madison, and via teleconference at the same time.
The guidance – RR-800 – is currently available for written public comment through the DNR’s “proposed program guidance” web page; comment on the document will be accepted through September 8, 2017.
Subjects discussed during the “Q & A” session will not take the place of written comments on the document. Rather, the opportunity is meant to help further clarify the material for those who may have questions about the content, with hope of alleviating potential erroneous comments.
Details of the vapor intrusion “Q & A” open house are:
- Date: Tuesday, August 29
- Time: 9:00 – 11:00 CST
- Location: DNR Central Office, Room G-09, 101 S. Webster St., Madison, WI 53707
- Conference Call Number: 1-855-947-8255, Passcode: 6612745#
Vapor intrusion team leader Alyssa Sellwood and Policy and Technical Resources Section Chief Judy Fassbender will be available to answer questions and clarify issues for participants.
If you plan to attend in person, please notify Alyssa Sellwood by the close of the business day on Monday, August 28, so that building security can be prepared for your arrival.
Alyssa Sellwood, the Remediation and Redevelopment Program’s vapor intrusion and dry-cleaning team leader, will present our Issues & Trends conference call in September. Alyssa will discuss vapor intrusion sampling, including a discussion of action triggers, mitigation and long-term monitoring.
Date: Wednesday, September 6
Time: 12:00 p.m. – 1:00 p.m.
Phone number: 1-855-947-8255
The conference call will be recorded and available for playback via the Program’s training library for those who are unable to participate during the above time.
No pre-registration is required.
The RR Program seeks your input on a significantly revised document titled, RR-800, Addressing Vapor Intrusion at Remediation & Redevelopment Sites in Wisconsin. The revisions to RR-800 include: updates from ITRC’s and USPEA’s vapor guidance; additional details on required deliverables; expectations for outreach; clarification on preemptive mitigation; and a significantly expanded discussion on vapor mitigation (design options, performance verifications, long-term operation and maintenance, and continuing obligations).
The document can be reviewed at http://dnr.wi.gov/news/input/guidance.html and comments can be submitted through September 8, 2017 to the Vapor Intrusion Team Leader, Alyssa Sellwood at Alyssa.Sellwood@wisconsin.gov. In addition, the RR Program will host a question and answer session on Tuesday, August 29th. Mark your calendars; more details to come.
Alyssa Sellwood, a Hydrogeologist with the Remediation and Redevelopment Program and the leader of the dry cleaning and vapor intrusion teams, will present the next Issues & Trends training event on Wednesday, August 9, at noon. No pre-registration is required.
Sellwood’s presentation will be an overview of forthcoming additions and modifications to the RR Program’s existing guidance on vapor intrusion – RR 800 – Addressing Vapor Intrusion at Remediation and Redevelopment Sites in Wisconsin. We originally published the guidance in 2010, but revisions are necessary as knowledge and understanding of vapor intrusion has grown. The guidance is being readied for public comment and includes such updates as commissioning and inspecting vapor mitigation systems, mitigating vapor risk in new construction, and evaluating and addressing potential vapor risk in large commercial and industrial buildings.
The training session details are:
- Date: August 9, 2017
- Time: 12:00 – 1:00 p.m.
- Join by phone: 1-855-947-8255, passcode 6612745#
- Questions in advance can be sent to DNRRRComments@wisconsin.gov