Industry Insight
Bioremediation
Engineers at Letterle conducted a pilot study to determine the feasibility of oxygen injection and the use of bioremediation at a petroleum release site in western Pennsylvania. To learn more about bioremediation and the R&D study,
click here.
How To Install A Well
Follow the story of how managers at Letterle oversee the installation of a monitoring well that is a single well then a deep well and finally a nested well by
clicking here.
Monitor Well Development
After a well is installed, Letterle experts explain how to properly develop the well in this presentation.
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Vapor Point Installation
When petroleum releases occur near a building and are above certain thresholds, it is necessary to monitor for vapor intrusion. Learn about available regulatory guidance and the primary ways to address soil vapor intrusion in this presentation.
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UNIFORM ENVIRONMENTAL COVENANTS
OVERVIEW AND NEW REGULATIONS
In November, 2010, Pennsylvania adopted regulations to help implement the Uniform Environmental Covenants Act of 2007. Among the changes, the new regulations mandate a $500 filing fee to accompany each covenant. To learn about other changes and some background information on Environmental Covenants,
click here.
Remedial System Installation
Engineers at Letterle are no strangers to field work. Remedial system installations require many hours of planning, locating utilities, trenching, connecting pipes and related equipment and then returning the site to its pre-construction condition. All of these steps and more can be viewed in the following presentation.
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Well Abandonment
At the conclusion of any site remediation project it is necessary to properly abandon monitoring and recovery well and register the wells with the PA Department of Conservation and Natural Resources. To see a picture journal of the most common abandonment techniques,
click here.