8)
The Evolving Standard of Care: What Does it Mean Today -
or Tomorrow?
Robert Luhrs, Raytheon Company,
Waltham, MA
Gail Batchelder, Loureiro Associates
Janine Commerford, MassDEP, Boston, MA
Come to this session if you are interested in
participating in an active discussion about the evolving
standard of care as it relates to new regulations and new
standards. Examples covered will include defining
disposal site boundaries (and then notifying property
owners within a disposal site), vapor intrusion/indoor air
(when do you think you need to test?), 1,4-Dioxane (under
what situations should you sample for it?), RAOs for
Petroleum in GW-1 (do you really need to find
bedrock?). We won't necessarily give answers
to these questions, but we will provide a forum for
discussion and consideration of issues you should be aware
of as science, regulations, and LSP practice evolves.
9)
In-Situ Thermal Remediation
Dr. Ralph Baker, Dr. Gorm Heron and Mr. John LaChance,
TerraTherm, Fitchburg, MA
In-Situ Thermal Remediation
(ISTR) comprises several robust technologies that have
been proven to be able to clean up DNAPL source zones in a
wide range of subsurface settings.
These include Steam Enhanced Extraction (SEE),
Electrical Resistance Heating (ERH) and In-Situ Thermal
Desorption/Destruction (ISTD).
This workshop will present the following topics:
- overview of temperatures
achieved in the field;
- physicochemical mechanisms underlying ISTR technologies;
what happens to the NAPL?;
- in-situ destruction reactions;
- how to optimize operations to achieve maximum remedial
efficiency;
- overview of SEE, ERH, ISTD, and combined approaches,
including Dynamic Underground Stripping (DUS);
- case studies of SEE, ERH, DUS and ISTD, including both
low and high-temperature applications;
- how to choose the optimal heating technique for a site,
including data needed for technology screening, cost
evaluation, and design.
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