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Trust But Verify: DigClean Tracks Institutional Controls Across Property Transactions
State environmental agencies have the challenging task of managing large portfolios of contaminated sites, including remediated properties with institutional controls.
Environmental Agencies Share Best Practices and Technology Solutions for Risk Communication
There are hundreds of thousands of brownfield sites throughout the United States. Proactively monitoring activity on those properties is the best way to promote long-term land stewardship, said Terradex CEO…
Terradex At 20: Keeping The Startup Feeling In Pursuit Of Long-Term Stewardship
Can Terradex still be a startup after 20 years? That is the question I ask myself as I reflect on this milestone. A startup is a fast, bumpy, innovative ride…
A Proposal To Improve Institutional Control Effectiveness Through Better Mapping
Try to read a typical institutional control (IC) and locate its boundaries. We bet you can’t. You will find a complicated legal description referring to metes and bounds, but not…
Digclean Is Protecting Excavators Across Delaware From Buried Chemicals
Excavations are a common event around contaminated sites as each flash of light signifies. This map shows flashes for each excavations around contaminated sites in New Castle County, Delaware. Try
Mobile web tool for excavators in delaware helps plan for subsurface chemical hazards
Terradex is testing a mobile web tool to assist excavators and engineers working near spill sites. Now under testing by several utility companies, the web tool permits an excavator to
Forecasting an engineering control or institutional control breach, a study of third-party excavation activity
Excavations by third-parties are inevitable near any cleanup site. Of concern to cleanup site managers, these unexpected events can breach institutional or engineering controls relied upon in a site’s cleanup…
Dig clean excavation advisory begins in delaware
As another step towards increased environmental agency integration into one-call systems, on December 17, 2012 Terradex expanded its Dig Clean service on behalf of the Delaware Department of Natural Resources and Environmental Conservation…
Slowly but surely: one call systems increasingly used for environmental cleanup sites
Slowly but surely, often with close involvement of Terradex, the power of one-call helps manage cleanup sites. In every state, call-before-you-dig or “one call” laws require a phone call (or increasingly…