US EPA TechDirect May 1, 2011
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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.  
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Upcoming Live Internet Seminars  
Soil Contaminant Bioavailability and Remediation - May 9, 2011,   
2:30PM-4:30PM EDT (18:30-20:30 GMT). Attend this session to   
learn about soil contaminant availability and remediation with   
soil amendments. You'll learn about what we've done and learned   
and where we need to focus for future success. For more   
information and to register, see .  
ITRC Phytotechnologies - May 10, 2011, 2:00PM-4:15PM EDT   
(18:00-20:15 GMT). This training familiarizes participants with   
ITRC's Phytotechnology Technical and Regulatory Guidance and   
Decision Trees, Revised (Phyto-3, 2009). This document provides   
guidance for regulators who evaluate and make informed decisions   
on phytotechnology work plans and practitioners who have to   
evaluate any number of remedial alternatives at a given site.   
This document updates and replaces Phytoremediation Decision   
Tree (Phyto-1, 1999) and Phytotechnology Technical and   
Regulatory Guidance Document (Phyto-2, 2001). It has merged the   
concepts of both documents into a single document. This guidance   
includes new, and more importantly, practical information on the   
process and protocol for selecting and applying various   
phytotechnologies as remedial alternatives. For more information   
and to register, see or .  
ITRC Use and Measurement of Mass Flux and Mass Discharge - May   
12, 2011, 11:00AM-1:15PM EDT, (15:00-17:15 GMT). The ITRC   
technology overview, Use and Measurement of Mass Flux and Mass   
Discharge (MASSFLUX-1, 2010), and associated Internet-based   
training provide a description of the underlying concepts,   
potential applications, description of methods for measuring and   
calculating, and case studies of the uses of mass flux and mass   
discharge. This Technology Overview, and associated   
Internet-based training are intended to foster the appropriate   
understanding and application of mass flux and mass discharge   
estimates, and provide examples of use and analysis. The   
document and training assumes the participant has a general   
understanding of hydrogeology, the movement of chemicals in   
porous media, remediation technologies, and the overall remedial   
process. For more information and to register, see or .  
ITRC Mine Waste Treatment Technology Selection - May 19, 2011,   
11:00AM-1:15PM EDT (15:00-17:15 GMT). ITRC's Mining Waste Team   
developed the ITRC Web-based Mine Waste Technology Selection   
site ( ... to assist   
project managers in selecting an applicable technology, or suite   
of technologies, which can be used to remediate mine waste   
contaminated sites. Decision trees, through a series of   
questions, guide users to a set of treatment technologies that   
may be applicable to that particular site situation. Each   
technology is described, along with a summary of the   
applicability, advantages, limitations, performance, stakeholder   
and regulatory considerations, and lessons learned. Each   
technology overview links to case studies where the technology   
has been implemented. In this associated Internet-based   
training, instructors provide background information then take   
participants through the decision tree using example sites.   
Project managers, regulators, site owners, and community   
stakeholders should attend this training class to learn how to   
use the ITRC Web-based Mine Waste Technology Selection site to   
identify appropriate technologies, address all impacted media,   
access case studies, and understand potential regulatory   
constraints. For more information and to register, see or .  
Community Engagement Activities in Native American Communities -   
May 23, 2011, 1:00PM-3:00PM EDT (17:00-19:00 GMT). Dr. Anna   
Harding and Dr. Barbara Harper of Oregon State University will   
provide a seminar entitled 'Addressing Tribal Exposures to   
Polycyclic Aromatic Hydrocarbons (PAHs) and Building Tribal   
Capacity though a Tribal-University Partnership.' Their seminar   
focuses on the Confederated Tribes of the Umatilla Indian   
Reservation (CTUIR) in Oregon and other tribes in the United   
States who may be at increased risk of disease due to cumulative   
PAH exposures from traditionally smoked foods, air exposure from   
traditional smoking of foods, and ambient air pollution. Their   
work served to build tribal capacity and establish a Tribal   
Advisory committee, IRB protocols and material and data sharing   
agreements, and culturally appropriate activities focused on   
tribal needs. Dr. Jim Shine and Dr. Laurel Schaider of Harvard   
University will also present a seminar entitled 'Fate and   
exposure studies of metals in rural Oklahoma: Engaging   
communities.' For the last seven years, Dr. Shine and Dr.   
Schaider conducted studies in rural northeastern Oklahoma   
involving heavy metals associated with mine waste and mercury   
exposure among subsistence and recreational fishers. Through   
these research activities, proactive engagement with community   
groups, Native American tribes, and state and federal agencies   
enhanced the quality and relevance of the research and promoted   
greater trust among all groups. For more information and to   
register, see .  
ITRC In Situ Bioremediation of Chlorinated Ethene - DNAPL Source   
Zones - May 24, 2011, 2:00PM-4:15PM EDT (18:00-20:15 GMT).   
Treatment of dissolved-phase chlorinated ethenes in groundwater   
using in situ bioremediation (ISB) is an established technology;   
however, its use for DNAPL source zones is an emerging   
application. This training course supports the ITRC Technical   
and Regulatory Guidance document In Situ Bioremediation of   
Chlorinated Ethene: DNAPL Source Zones (BioDNAPL-3, 2008). This   
document provides the regulatory community, stakeholders, and   
practitioners with the general steps practitioners and   
regulators can use to objectively assess, design, monitor, and   
optimize ISB treatment of DNAPL source zones. For more   
information and to register, see or .  
Conducting Contamination Assessment at Drycleaning Sites - June   
8, 2011, 1:00PM-3:30PM EDT (17:00-19:30 GMT). The State   
Coalition for Remediation of Drycleaners (SCRD) is a forum of   
state environmental agencies designed to exchange information   
and facilitate discussion of drycleaner remediation issues. In   
this training SCRD members will present information from a   
recently updated guidance document on conducting contamination   
assessment work at drycleaning sites. Salient aspects of this   
document will be presented, including: an overview of the   
drycleaning process, chemicals used, waste generation and   
management practices in the drycleaning industry, site   
reconnaissance, identifying sampling locations and environmental   
assessment tech 
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