Author Archives: Bob Wenzlau

Bob’s goal has been to build the “institution” for institutional controls. The building blocks include a strong understanding of regulatory and technical requirements of stewardship, and an arsenal of multiple information and mapping techniques. Bob is a registered civil engineer, graduate of Stanford and is a founder and now CEO of Terradex, Inc.

USEPA Issues Policy Guidance on Evaluation of Institutional Controls

The USEPA released on September 13, 2011 new guidance titled “Recommended Evaluation of Institutional Controls: Supplement to the Comprehensive Five Year Review Guidance”  providing recommendations for the monitoring and inspection of ICs during the CERCLA five-year review process.  The new USEPA guidance recommends that “ICs be mentioned specifically in the overall protectiveness statement when long-term protectiveness [...]

Financial Health Monitoring of Institutional Control Property Owners

The long term success of Institutional Controls (ICs) and cleanup remedies is often only as strong as the financial health of new property owners.   This is why, along with its classic suite of land monitoring, Terradex LandWatch now monitors the financial health of contaminated property owners. When new owners take over IC sites or residually [...]

Where is the Water Well? The Competing Interests of Homeland Security and Environmental Health

Can you find the location of a water well in on a governmental mapping system? The answer is maybe – and it varies nationwide. A strong tension between the environmental health protection and safeguards for homeland security controls whether you will find that water well.  Environmental health protection invites for more  transparency in water well locations [...]

USEPA Congratulates ASTM Task Group for Completed Guidance on Continuing Obligations

The ASTM Task Group that guided and debated building Standard Guide for Identifying and Complying With Continuing Obligations was congratulated by the USEPA Office of Brownfield and Land Revitalization.  David Lloyd on behalf of the Brownfield Office and  the entire USEPA sent his congratulations in an August 1 letter to Terradex asking that this be [...]

BNA Insider Reports on ASTM Guide Publication

The Bureau of National Affairs (BNA) within their Environmental Due Diligence Guide featured an Insider’s Perspective on the ASTM released guide for Continuing Obligations.  Terradex is grateful for BNA’s coverage of this guide and especially the attention provided by their reporter Mary Ann Grena Manley. This coverage by BNA builds the understanding of landowners as they [...]

ASTM Publishes Continuing Obligations Guide

After years in the making and on the heels of two recent court decisions addressing “appropriate care,” ASTM published E2790-11, the “Standard Guide for Identifying and Complying With Continuing Obligations.”

The Day After the Daycare Webinar – Preventing Another Kiddie Kollege

Terradex wishes to thank the panelists as well as the attendees for their participation in the webinar discussing daycare and the threats posed by contaminated sites.  In the lead up to this webinar, Terradex published a post that sought to provide a fresh look at the progress to prevent the seminal environmental tragedy that unfolded [...]

Sept 28th Webinar Invitation – Protecting Children at Daycare From Toxic Contamination – Extending Lessons Learned at Kiddie Kollege Nationally

Join us for a free 90-minute webinar on September 28th, 2010 at 1:30 PM EST (10:30 AM PDT) – The webinar discussion will focus on experiences and solutions aimed towards preventing the establishment of daycare facilities in areas where environmental contamination could pose risks to children.  The discussion will address progress and challenges since Kiddie [...]

Taking Stewardship Underwater By Tracking Dredging Activity

Stewardship services apply beyond our shorelines into harbors, waterways and oceans. Beneath the surface of harbors, rivers and channels are contaminated sediments and  unexploded ordnance (UXO).   A common and disruptive offshore activity is dredging, which can unknowingly disturb these materials – often to unfortunate ends. Dredging is a regulated activity, and thereby produces records that [...]

Protecting 6,000,000 Children In Daycare From Toxic Hazards of Cleanup Sites

Mix 400,000 daycares with 550,000 cleanup sites nationwide, and the vision takes shape for a national daycare screening service to vigilantly protect 6,000,000 children  from inadvertent exposure to toxics.  This effort started after 2006 on the failings at Kiddie Kollege, where children attending daycare were exposed to high mercury levels. The childcare facility occupied the same building that [...]