The EPA’s Citizen’s Guide to Cleanup Technologies Series 7: Vertical Engineered Barriers
Environmental Enlightenment #208
See our Newsletter, Environmental Enlightenment #200, for introduction to one highly valuable, plainly written series of Citizen’s Guides published by the EPA at http://www.clu-in.org/products/citguide
With this issue we introduce the EPA’s Citizen’s Guide to Phytoremediation. You can reach it through the hyperlink under the blue header below.
When all else fails, we contain.
Con-means together and –tain comes from Latin tenere (to hold). Thus, when a plume of contamination is contained, it is being held together in one place.
We contain wildfires.
Two Minnesota Army National Guard helicopters and 12 soldiers from the Minnesota National Guard’s 34th Combat Aviation Brigade activated to support wildfire containment near Nimrod, MN (http://www.flickr.com/photos/thenationalguard/), licensed under Creative Commons Attribution 2.0 Generic License.
We may choose to contain unruly persons.
And, at times, mostly as a last resort, we elect to contain contamination from spreading elsewhere.
Go to the EPA’s Citizen’s Guide to Vertical Engineered Barriers at http://www.clu-in.org/download/Citizens/a_citizens_guide_to_vertical_engineered_barriers.pdf for the rest. It is simple and fun to read.
Environmental Enlightenment #245Probability is the extent to which something is probable; the likelihood of something happening or being the case. (Google) Probability is a scale of certainty: How certain is it that an undeveloped piece of land will be contaminated...
Environmental Enlightenment #175 In dealing with physical matters, absolutes do not exist. One establishes value only by comparison. A “base line” is any precisely determined line forming a side of a triangle so that when the adjacent angles are measured, the relative...
Environmental Enlightenment #313 If you dip into environmental reports, you will likely run into the term basin. The essential concept of basin is water container (derives from Latin bacinus, bacca) A natural depression on the earth's surface, typically containing...