Monthly Archives: February 2012
Important PCB News!
Today’s Federal Register (the daily journal of the federal government) contained a notice from the USEPA requesting public comment on a topic of critical interest to anyone involved in the assessment and remediation of PCBs in buildings. The topic EPA … Continue reading
PCE Toxicity: EPA versus MassDEP and Implications for VI
For over 20 years, MassDEP and the USEPA have disagreed about the toxicity of tetrachloroethene (aka tetrachloroethylene, perc, PCE and perchloroethylene). Disagreements between the agencies on something this basic are rare and given the practical implications (there are many), it’s … Continue reading
How EPA’s New Take on PCE Changes Vapor Intrusion Risk
Several days ago the US Environmental Protection Agency issued its new findings on the toxicity of tetrachloroethene (also known as: PCE, perc, perchloroethylene and tetrachloroethylene). The new information was published on-line in EPA’s Integrated Risk Information System (IRIS) web site. … Continue reading
Health Effects from Wind Turbines
The Massachusetts Department of Environmental Protection (MassDEP) has issued a long awaited report on health effects from Wind turbines. Over the past few years the Commonwealth has been taking a hard look at a range of energy alternatives. In January … Continue reading
A Whole New Way to Learn
TED and The Khan Academy Method: Homework Help or the Future of Learning? Written by Kimberly Carr For those who are not familiar, TED is a non-profit organization devoted to “ideas worth spreading.” The acronym “TED” signifies the meeting of … Continue reading
