The Monitor Blog

Mochi and Terradex’s Long Term Stewardship Mission

The excavation limits of a new water main are marked on the street. Consistent with state regulation, the excavator calls in the excavation limits to the One-Call System. Soon the street is marked with utility locations....

NAESIP and Terradex Introduce Brownfield Loss Control Services

In October 2005, Bob Wenzlau of Terradex was appointed Task Group Chair to build a practice standard for Landowner Continuing Obligations. When complete, the practice standards will systematically improve the long-term...

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 a map of the restricted areas...

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  adjusting...

Conversation with Bob Wenzlau, Terradex CEO

Terradex’s WhatsDown launched in the Summer of 2014. The release of WhatsDown coincided with concerns across Silicon Valley about public health related to volatile organics. Terradex has sought to play...

Environmental Protections – A Proposal for Public Branding of Institutional Controls

Through WhatsDown, we maintain a catalog of “institutional controls”.  However, in the app there is one big change – we replaced the term ‘institutional control” with the term “environmental...

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