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...

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...

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...

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 a...

The term “environmental protection” carries the inspiration behind the terminology.  When an environmental protection is applied, the stakeholder knows that there is a device in place that is protective in nature.  While...

Long term stewardship (LTS)  is the “end game” of any vapor intrusion problem. Any smart player, considers the “end game” at the start and during play. Knowing the “end game” sets a smart direction for any stakeholder of...