Residual contamination

Now Available: Guidance on Addressing Contaminated Sediment Sites in Wisconsin (RR-0124)

Following a public comment period, the publication Guidance on Addressing Contaminated Sediment Sites in Wisconsin (RR-0124) is now posted and available online.

The document can be found here. Additional documents and guidance from the Remediation and Redevelopment Program may be found using the search tools available on the publications and forms webpage.

The purpose of this guidance is to outline approaches for investigating and remediating hazardous substances discharges that impact sediment to comply with the requirements in Wisconsin Statutes (Wis. Stat.) ch. 292 and the applicable provisions of Wisconsin Administrative (Wis. Admin.) Code chs. NR 700-799. This guidance explains the steps recommended for assessment of contaminated sediment, evaluation of remedial options and the selection, design, implementation and monitoring of remedial actions. This guidance will clarify closure requirements at sites with contaminated sediments, including continuing obligations, long term stewardship and financial assurance.

Questions regarding this document may be submitted to Carrie Webb at CarrieA.Webb@wisconsin.gov.

Now Available: Publication RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m) and Publication RR-0117, Guidance: When Should a Site Investigation Enter Surface Water?

Following a public comment period and consideration of the comments received, the publications RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m) and RR-0117, Guidance: When should a site investigation enter surface water? are now posted and available online.

The documents can be found here: RR-0126 and RR-0117. Additional documents and guidance from the Remediation and Redevelopment Program may be found using the search tools available on the publications and forms webpage.

Continue reading “Now Available: Publication RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m) and Publication RR-0117, Guidance: When Should a Site Investigation Enter Surface Water?”

Reminder: Issues & Trends Webinar Next Week: Vapor Intrusion – Revised Guidance, Recent Training and Rule Reminders

The Remediation and Redevelopment (RR) Program reminds you that the next webinar in the Issues & Trends series will take place next week, on November 16, 2021, from 12:00 p.m. to 1:00 p.m.

The scheduled presentation is: Vapor Intrusion – Revised Guidance, Recent Training and Rule Reminders.

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Public Input Opportunities – Publication RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m), and Publication RR-0117, Guidance: When should a site investigation enter surface water?

The Remediation and Redevelopment (RR) Program is now seeking input on two publications: RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m), and RR-0117, Guidance: When should a site investigation enter surface water?

Continue reading “Public Input Opportunities – Publication RR-0126, Guidance for Sediment-Related Continuing Obligations for Environmental Protection, Wis. Stat. § 292.12(5m), and Publication RR-0117, Guidance: When should a site investigation enter surface water?”

Reminder: Issues & Trends Webinar on June 15, 2021: 1,4-Dioxane – A Contaminant of Emerging Concern

The Remediation and Redevelopment (RR) Program reminds you that the next webinar in the Issues & Trends series will take place on Tuesday, June 15, 2021, from 12:00 p.m. to 1:00 p.m.

The scheduled presentation is: 1,4-Dioxane – A Contaminant of Emerging Concern.

This presentation will provide an overview of 1,4-dioxane. RR Program engineer Angela Carey will review considerations for site investigation scoping, sampling and analysis and selection of remedial options. In addition, information regarding proposed updates to 1,4-dioxane groundwater quality standards in NR 140 will be provided.

A Zoom web conferencing registration link, along with a schedule of future Issues & Trends presentations, may be found on the RR Program’s Conferences and Training webpage.

Recordings of previous Issues & Trends webinars can be found in the RR Program’s Training Library.

 

Public Input Opportunity Ends Soon for Publication RR-606, Guidance on the Case Closure Process and Continuing Obligations: Wis. Admin. Code chs. NR 725 to727

The public comment period ends next week (March 24, 2021) for publication RR-606, Guidance on the Case Closure Process and Continuing Obligations: Wis. Admin. Code chs. NR 725 to 727.

The document can be found at the RR Program’s Public Notices & Guidance web page under the “Program Guidance” tab. Comments may be submitted through March 24, 2021 to Jane Lemcke at Jane.Lemcke@wisconsin.gov or DNRRRGuidance@wisconsin.gov.

The purpose of the guidance is to guide users in preparing for a case closure request, particularly at sites where contamination remains after response actions are complete and continuing obligations are needed to address exposure pathways. This guidance document is intended for use by responsible parties, consultants or other interested parties, the Wisconsin Department of Natural Resources staff and Wisconsin Department of Agriculture, Trade and Consumer Protection staff.

New Fillable PDF Form for Materials Management Plan

A new, fillable PDF form has replaced RR-072. The new form is 4400-315: Recommended Template for Request to Manage Materials under Wis. Admin. Code § NR 718.12 or NR 718.15

The purpose of this form is to provide an optional template format for consultants and responsible parties to demonstrate the proposed management of solid waste material qualifies for a Wis. Admin. Code § NR 718.12 or NR 718.15 exemption and to request written approval of the request.

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Soil RCL Calculator Updates – June 2018

The Wisconsin DNR’s Remediation and Redevelopment Program recently updated the numerical soil standards in its spreadsheet of residual contaminant levels (RCLs). The RCLs were determined using the U.S. EPA regional screening level web-calculator.

A summary of the changes to the RCLs is in a new document, titled “RR Program’s Soil RCL Spreadsheet Update,” publication number RR-052g.

For more information and to access the RCL spreadsheet (macro and non-macro versions), visit the Wisconsin DNR’s Resources for Environmental Professionals web page and click on the “Soil RCLs” tab.