TechDirect, March 1, 2009

Welcome to TechDirect! March signals the
beginning our our 14th year delivering TechDirect.

We have been very pleased (and somewhat
surprised) at the continued and steady growth of
our subscribers over the last 13 years. Since the
February 1 message, TechDirect gained 301 new

subscribers for a total of 32,953. If you feel the service is valuable, please share
TechDirect with your colleagues. Anyone interested in subscribing may do so on
CLU-IN at http://ciu-in.ora. All previous issues of TechDirect are archived there. The
TechDirect messages of the past can be searched by keyword or can be viewed as
individual issues.

TechDirect's purpose is to identify new technical, policy and guidance resources related
to the assessment and remediation of contaminated soil, sediments and ground water.

Mention of non-EPA documents or presentations does not constitute a U.S. EPA
endorsement of their contents, only an acknowledgment that they exist and may be
relevant to the TechDirect audience.

> CLU-IN Vendor Directory Available for Updates

The CLU-IN Vendor Directory, available online at

http://www.clu-in.ora/vendor/vendorinfo/directorv/ 3S part Of CLU-IN'S Vendor and Developer

Support area (online at http://www.ciu-in.ora/vendor/>. The CLU-IN Vendor Directory is now
accepting updates and additions from remediation and characterization technology
vendors. Updates, additions and removal requests submitted by March 15, 2009 will be
incorporated in the next quarterly revision of the directory scheduled to be completed
by March 31, 2009. Technology Vendors are encouraged to use the CLU-IN Vendor
and Developer Support area as a resource for other methods to promote their tools.

Site owners, regulators, researchers, and other environmental professionals are
encouraged to use the CLU-IN Vendor and Developer Support area as method to
identify vendors and services to meet their remediation and characterization needs.

To update existing vendor information to this database. Please visit

htt|3V/www1c!ujniorg/vendoryvendorinfo/djrectoQi/usereeareh/vendo!_searchicfm?mode^l OT Click links tO Update

vendor information.

To add new vendor information to this database. Please visit

httEV/wwWjdujrvorcj/vendor/vendorinfo/djrectoQi/u^^	OT Click links tO Submit new

vendor information.

To remove vendor information from the database. Please send an email to
haient.iean@ena.nnv and include a statement in the body of the email with your company
name and a request to be removed.

The information will be reviewed and included in the next round of updates to the
vendor directory which typically occurs on a quarterly basis. If you have immediate
questions, please contact Jean Balent (Baient Jean@ena.nnv. 703-603-9924) or Michael
Adam, (AdamMchael^eEaj^ov ,703-603-9915).

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> Upcoming Live Internet Seminars

Tackling the Carbon Footprint at Pump and Treat Projects: A Case Study in
Energy Efficiency - March 10, 2009,1:00PM-3:00PM EDT (17:00-19:00 GMT).With

the goal of advancing knowledge in green remediation best practices, over the last year
EPA and Massachusetts DEP have collaborated to develop an approach to reduce the
energy usage and carbon footprint at an existing pump and treat system. This seminar
presents the results of this work, including alternatives considered and the final
proposal of using combined heat and power (CHP) to provide the necessary energy to
power the system and to increase the efficiency of above-ground treatment
components. For more information and to register, see httn://ciu-in.om/iive .

Frequently Asked Questions Regarding Management of Chlorinated Solvents in
Soils and Groundwater - March 24, 2009,11:00AM-1:00PM EDT (15:00-17:00
GMT). This seminar provides a summary of a recently-compiled document on
Frequently Asked Questions (FAQs) on chlorinated solvent site management. The FAQ
document addresses 25 key questions, providing a concise overview of current
knowledge regarding management of subsurface chlorinated solvent releases. The
document is intended to help state regulators, federal regulators, consultants, DoD staff
and community members make better site management decisions. ESTCP hopes the
document contributes to better use of resources, more effective remediation and risk
management, and more productive cooperation between the parties involved in site
cleanups. For more information and to register, see httn://ciu-in.om/iive .

ITRC Performance-based Environmental Management - March 24, 2009,
2:00PM-4:15PM EDT (18:00-20:15 GMT). Performance-based environmental
management (PBEM) is a strategic, goal-oriented methodology that is implemented
through effective planning and decision logic to reach a desired end state of site
cleanup. The goal of PBEM is to be protective of human health and the environment
while efficiently implementing appropriate streamlined cleanup processes. This ITRC
training presents an overview of what PBEM is, explains how and when to implement it,
and describes the issues that regulators are concerned about throughout PBEM's
implementation. Case studies will be presented to illustrate successful PBEM projects.
The course is valuable not only because PBEM is being proposed and implemented at
many federal and private sites throughout the country, but also because PBEM
provides an opportunity to enhance all site remediation. For more information and to

register, see httn://www.itrcweh.om Or httnV/rtu-in.om/live .

EPA's Electronic Report on the Environment - Finding, Understanding and Using
National and Regional Environmental Indicators - April 16, 2009,11:00AM-1:00PM
EDT (15:00-17:00 GMT).This webcast will introduce the audience to EPA's Report on
the Environment (ROE) project and the Electronic Report on the Environment (eROE)
web site ^ww.ena.nnv/me') as a valuable resource in understanding what we know - and
don't know - about trends in air, water, land, human health and ecologic condition in the
United States. For more information and to register, see httn://ciu-in.om/iive .

> New Documents and Web Resources

Ecological Revitalization: Turning Contaminated Properties Into Community
Assets (EPA 542-R-08-003). This document provides technical information to assist
property managers and other stakeholders better understand, coordinate, and conduct

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ecological revitalization at contaminated properties during cleanup.^ Specifically, this
document presents general planning and process considerations for ecological
revitalization and provides technical considerations for implementing ecological
revitalization of wetlands, streams, and terrestrial ecosystems during cleanup. This
document also highlights EPA's initiatives and resources that are available, and
presents numerous site-specific examples and case studies where ecological
revitalization has occurred (February 2009, 83 pages). View or download at

http://clu-in.ora/techpubs.htm .

A Guide for Assessing Biodegradation and Source Identification of Organic
Groundwater Contaminants Using Compound Specific Isotope Analysis (CSIA)
(EPA 600-R-08-148). When organic contaminants are degraded in the environment,
the ratio of stable isotopes will often change, and the extent of degradation can be
recognized and predicted from the change in the ratio of stable isotopes. Recent
advances in analytical chemistry make it possible to perform Compound Specific
Isotope Analysis (CSIA) on dissolved organic contaminants such as chlorinated
solvents, aromatic petroleum hydrocarbons, and fuel oxygenates, at concentrations in
water that are near their regulatory standards. The traditional approach for monitoring of
concentrations of contaminants at sites often does not offer adequate information about
the processes that are responsible for removal of the contaminants. Stable isotope
analyses can provide an in-depth understanding of biodegradation or abiotic
transformation processes in contaminated aquifers. Because CSIA is a new approach,
there are no widely accepted standards for accuracy, precision and sensitivity, and no
established approaches to document accuracy, precision, sensitivity and
representativeness. This Guide provides general recommendations on good practice
for sampling, for measurement, for data evaluation and for interpretation in CSIA
(December 2008, 82 pages). View or download at

htt p ://www. e pa. a ov/ad a/p u bs/re po rts/600r08148/600r08148. pdf .

Guidance for Labeling Externally Validated Laboratory Analytical Data for
Superfund Use (EPA 540-R-08-005). This guidance will help increase national
consistency, and improve communication and understanding about the nature of
validation procedures conducted on laboratory analytical data developed for Superfund
use (January 2009, 29 pages). View or download at

http://www.epa.aov/superfund/policv/pdfs/EPA-540-R-08-005.pdf.

EUGRIS Corner. More than 73 resources, events projects and news items were added
to EUGRIS 1 - 24 February, 2009. These can be viewed at http://www.euaris.info/whatsnew.asp.
Then select the appropriate month and year for the updates in which you are interested.
The following report was featured on EUGRIS:

Abandoned Mines and the Water Environment (SC030136/SR41). This report
reviews pollution of rivers and groundwater by abandoned coal and metal mines in the
UK, and the work being done to manage this problem (August 2008, 40 pages). View or

download at http://publications.environment-aaencv.aov.uk/pdf/SCH00508BNZS-e-e.pdf .

Assessment of Metal Mining-Contaminated River Sediments in England and
Wales (SC030136/SR4). The UK Environment Agency has published a report on
contamination of river sediments and flood plain soils by metal mines. The report
recommends the setting of new sediment and soil quality guidelines, proposes a
risk-based approach to investigating sediments and floodplain soils in catchments
affected by mining activities, increased monitoring of these contaminated sediments,
and strategies to manage and clean-up mine-contaminated areas (November 2008, 64

pages). View or download at http://publications.environment-aaencv.aov.uk/pdf/SCH01108BQZD-e-e.pdf.

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> Conferences and Symposia

US-Mexico Border 2012 Tire Group Meeting /Reunion del Grupo de Llantas de
Frontera 2012, Rio Rico, Arizona, March 12-13, 2009. The purpose of the meeting is
to provide a wealth of information and discussion of solutions to the U.S.-Mexico Border
scrap tire problem. Sessions will focus on emerging market trends, laws and
regulations related to scrap tire management, and scrap tire program development.

Also learn about successful scrap tire programs and how they became successful.
Remote participants will have the opportunity to collaborate with other meeting
attendees in the prioritization of new scrap tire projects, the identification of scrap tire
piles, and reporting out on new scrap tire projects. For more information and to register,

SG6 http://clu-in.org/meetinas/border2012 .

Intersol 2009, Paris, France, March 24-26, 2009. Intersol 2009 is one of the premier
technical conferences and trade shows dedicated solely to contaminated soil, site and
groundwater remediation in Europe. Attendees from 30 countries are expected to
attend this highly focused event. The conference is being organized in collaboration
with the French Ministries of Environment, Ministry of Industry, the French Soil
Remediation Association, UPDS, the French Environmental Engineering and
Consultant Professional Association, L'UCIE, the European Commission, the United
Nations and the U.S.Embassy Paris, France. Topics covered and sectors represented
will include contaminated soils and groundwater remediation, green remediation, land
use planning, protection of water resources and management of contaminated sites and
human and environmental risks evaluation. For more information and to register, see

http://www.intersol.fr/ .

Vapor Intrusion Pathway: A Practical Guideline: ITRC 2-day Classroom Training,
Oklahoma City, OK, April 6-7, 2009. Led by internationally recognized experts, this
2-day ITRC classroom training will enable you to learn the latest strategies to conduct
site screening and investigations; determine what tools are appropriate to collect quality
data and evaluate the results; apply multiple lines of evidence to ensure quality
decision-making; build solutions for VI issues through understanding of mitigation
options; and network with environmental professionals dealing with this interdisciplinary
and complex pathway. Interactive learning with hands-on exhibits, classroom
exercises, and frequent Q&A sessions will reinforce these course objectives and
contribute to a practical understanding of this difficult pathway. For more information

and tO register, see http://www.itrcweb.ora/crt.asp Or http://www.reaonline.com/ITRC-VI-OK .

2009 Conference on Design and Construction Issues at Hazardous Waste Sites,
Philadelphia, PA, April 13-15, 2009. The conference, hosted by the EPA and the US
Army Corps of Engineers, will provide a forum for discussion among professionals from
the private and public sectors regarding design and construction issues at hazardous
waste sites, including effective methods, lessons learned, and application of
technologies. The conference is free, but registration is required. For more information

and tO register, see https://superfund.usace.armv.miI/2009DCHWS .

NOTE: For TechDirect, we prefer to concentrate mainly on new documents and
the Internet live events. However, we do support an area on CLU-IN where
announcement of conferences and courses can be regularly posted. Currently there are
188 conferences and courses featured. We invite sponsors to input information on their
events at http://ciu-in.ora/courses. Likewise, readers may visit this area for news of upcoming
events that might be of interest. It allows users to search events by location, topic, time
period, etc.

If you have any questions regarding TechDirect, contact Jeff Heimerman at (703)

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