TechDirect, April 1, 2016


U,5. ENVIRONMENTAL PROTECTION AGENCY

TechDirect, April 1, 2016

Welcome to TechDirect! Since the March 1 message, TechDirect gained 258
new subscribers for a total of 35,895. If you feel the service is valuable, please
share TechDirect with your colleagues. Anyone interested in subscribing may
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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 groundwater.

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.

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> Upcoming Live Internet Seminars

ITRC Soil Sampling and Decision Making Using Incremental Sampling
Methodology Parts 1 and 2 - April 12 and 14, 2016. This 2-part training course along
with ITRC's Web-based Incremental Sampling Methodology Technical and Regulatory
Guidance Document (ISM-1, 2012) is intended to assist regulators and practitioners
with understanding the fundamental concepts of soil/contaminant heterogeneity,
representative sampling, sampling/laboratory error and how ISM addresses these
concepts. Through this training course the participant should learn: basic principles to
improve soil sampling results, systematic planning steps important to ISM, how to
determine ISM Decision Units (DU), the answers to common questions about ISM
sampling design and data analysis, methods to collect and analyze ISM soil samples,
the impact of laboratory processing on soil samples, and how to evaluate ISM data and
make decisions. In addition this ISM training and guidance provides insight on when
and how to apply ISM at a contaminated site, and will aid in developing or reviewing
project documents incorporating ISM (e.g., work plans, sampling plans, reports). For
more information and to register, see http://www.itrcweb.ora or https://ciu-in.oro/iive.

SERDP and ESTCP Webinar - Long Term Monitoring Issues at Chlorinated
Solvent Sites - April 21, 2016,12:00PM EDT (16:00 GMT). SERDP and ESTCP are
offering webinars to promote the transfer of innovative, cost-effective and sustainable
solutions. The webinar series targets end users including practitioners, the regulatory
community and researchers to provide cutting-edge and practical information from
sponsored research and technology demonstrations. An upcoming webinar on April 21
will feature two presentations highlighting Department of Defense (DoD) research
efforts on long term monitoring issues at chlorinated solvent sites. First, Ms. Poonam
Kulkarni and Dr. Thomas McHugh from GSI Environmental will talk about methods for
the minimization and management of variability in long term groundwater monitoring
results. Second, Dr. Ron Falta from Clemson University will discuss a practical

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approach for modeling matrix diffusion effects in low permeability zones. To view
presentation abstracts and speaker biographies and to register for this free webinar,

please visit https://serdp-estcp.org/Tools-and-TraininaAA/ebinar-Series/04-21-2016.

Military Munitions Support Services - Advanced Classification - April 21, 2016,
1:00PM-4:00PM EDT (17:00-20:00 GMT).This will be a Military Munitions Support
Services seminar with subject matter experts discussing advanced classification. For
more information and to register, see https://ciu-in.org/iive.

On SRP Water Innovation - An Integrated Approach to Sustainable Solutions:
Session I - Introducing the Big Picture - April 25, 2016, 2:00PM-4:00PM EDT
(18:00-20:00 GMT).The NIEHS Superfund Research Program (SRP) is hosting a
seminar series to highlight SRP-funded projects around the country that support
innovation in water technologies and research. In Session I of this series, SRP staff and
grantees will introduce challenges and opportunities to protect water quality and
promote access to safe, drinkable water. SRP Director Bill Suk, Ph.D., will begin the
session by making the connection between SRP research and water innovation. The
SRP funds multidisciplinary research addressing the complex and evolving challenges
associated with Superfund and related hazardous waste sites. Some of this funded
research, however, can be directly applicable to addressing challenges in water quality
and the development of the next generation of water technologies. David Sedlak,
Ph.D., from the University of California, Berkeley SRP Center will introduce the
challenges in the water sector and discuss opportunities for boosting water
sustainability. He will also discuss water reuse-the practice of using municipal
wastewater effluent to sustain aquatic ecosystems and augment drinking water
supplies-as well as the treatment and use of contaminated groundwater as water
supplies. Wendy Heiger-Bernays, Ph.D., and Madeleine Scammell, D.Sc, from the
Boston University SRP Center, will discuss their work with a Massachusetts town after
the discovery of 1,4-dioxane in private drinking water wells, and concerns regarding a
capped landfill as the source. They will provide an overview of relevant aspects of the
safe drinking water act as per this particular unregulated drinking water contaminant
and potential health risks. For more information and to register, see https://ciu-in.ora/iive.

CERCLA Section 108(b) Proposed Rule for Hard Rock Mining - April 26, 2016,
2:00PM-3:00PM EDT (18:00-19:00 GMT). The Office of Resource Conservation and
Recovery will present a webinar on the development of the proposed regulation for
financial responsibility for certain hard rock mines and mineral processing facilities
under Section 108(b) of the Comprehensive Environmental Response, Compensation,
and Liability Act (CERCLA). EPA previously presented the CERCLA 108(b) proposed
rule framework in a webinar held in September, 2015, available at

https://www.voutube.com/watch?v=xa5Di3Ti6Qc&feature=voutu.be. The Upcoming Webinar Will provide an

update on the Agency's progress in developing the rule, and describe the Agency's
current thinking on the key aspects of the rule described in the framework. Stakeholders
and other members of the public are invited to learn about the CERCLA 108(b)
rulemaking and will have the opportunity to ask questions during the webinar. For more
information and to register, see https://ciu-in.org/iive.

ITRC Geophysical Classification for Munitions Response - April 28, 2016,
1:00PM-3:15PM EDT (17:00-19:15 GMT). This training class and supporting guidance
document explain the process of geophysical classification, describe its benefits and
limitations, and discuss the information and data needed by regulators to monitor and
evaluate the use of the technology. This document and training also emphasize using
a systematic planning process to develop data acquisition and decision strategies at the
outset of a munitions response effort, as well as quality considerations throughout the
project. Stakeholder issues that are unique to munitions response are also discussed.
After this training class, participants will: understand the technology and terminology,
be ready to engage in the planning process to address quality considerations

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throughout a project, find tools to transfer knowledge within organizations and to
stakeholders, and start to transition mindset to decisions that leave non-hazardous
items in the ground. An audience who understand current munitions response tools
and procedures (for example, geophysical surveys, sensors, data analysis) will benefit
most from this document and training. For more information and to register, see

http://www.itrcweb.ora OP https://clu-in.ora/live.

Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and
Management - May 3, 2015,1:00PM-3:15PM EDT (17:00-19:15 GMT). Chemical
contaminants in soil and groundwater can volatilize into soil gas and migrate through
unsaturated soils of the vadose zone. Vapor intrusion (VI) occurs when these vapors
migrate upward into overlying buildings through cracks and gaps in the building floors,
foundations, and utility conduits, and contaminate indoor air. If present at sufficiently
high concentrations, these vapors may present a threat to the health and safety of
building occupants. Petroleum vapor intrusion (PVI) is a subset of VI and is the process
by which volatile petroleum hydrocarbons (PHCs) released as vapors from light
nonaqueous phase liquids (LNAPL), petroleum-contaminated soils, or
petroleum-contaminated groundwater migrate through the vadose zone and into
overlying buildings. The ITRC Technical and Regulatory Guidance Web-Based
Document, Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and
Management (PVI-1, 2014) and this associated Internet-based training provides
regulators and practitioners with consensus information based on empirical data and
recent research to support PVI decision making under different regulatory frameworks.
The PVI assessment strategy described in this guidance document enables confident
decision making that protects human health for various types of petroleum sites and
multiple PHC compounds. This guidance provides a comprehensive methodology for
screening, investigating, and managing potential PVI sites and is intended to promote
the efficient use of resources and increase confidence in decision making when
evaluating the potential for vapor intrusion at petroleum-contaminated sites. By using
the ITRC guidance document, the vapor intrusion pathway can be eliminated from
further investigation at many sites where soil or groundwater is contaminated with
petroleum hydrocarbons or where LNAPL is present. For more information and to

register, see http://www.itrcweb.ora Or http://clu-in.ora/live.

ITRC Integrated DNAPL Site Characterization - May 5, 2016,1:00PM-3:15PM EDT
(17:00-19:15 GMT). The Integrated DNAPL Site Characterization Team has
synthesized the knowledge about dense nonaqueous phase liquid (DNAPL) site
characterization and remediation acquired over the past several decades, and has
integrated that information into a new document, Integrated DNAPL Site
Characterization and Tools Selection (ISC-1, 2015). This guidance is a resource to
inform regulators, responsible parties, other problem holders, consultants, community
stakeholders, and other interested parties of the critical concepts related to
characterization approaches and tools for collecting subsurface data at DNAPL sites.
After this associated training, participants will be able to use the guidance to develop
and support an integrated approach to DNAPL site characterization, including: identify
what site conditions must be considered when developing an informative DNAPL
conceptual site model (CSM); define an objectives-based DNAPL characterization
strategy; understand what tools and resources are available to improve the
identification, collection, and evaluation of appropriate site characterization data; and
navigate the DNAPL characterization tools table and select appropriate technologies to
fill site-specific data gaps. For more information and to register, see http://www.itrcweb.ora

Of http://clu-in.ora/live.

> New Documents and Web Resources

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New NAVFAC SiteWise™ Version 3.1 and User Guide. SiteWise is an Excel-based
remedy selection and optimization tool for green and sustainable remediation (GSR)
planners. It was developed jointly by the Department of the Navy, Army Corps of
Engineers, and Battelle. The software and companion guidance were recently updated
with modules for sediment remediation technologies including dredging, capping, and
monitored natural recovery. The updated guide includes instructions for using SiteWise
and the basis of calculations. The updated tool will aid in evaluating the unique aspects
of sediment remedies using GSR metrics. Visit the NAVFAC GSR Web page at the link
below under "Tools" to view the new software and guidance. View the user guide and
download SiteWise™ at

http://www.navfac.navv.mil/navfac worldwide/specialty centers/exwc/products and services/ev/erb/asr.html.

Superfund Research Program Research Brief 255: The Effect of Corrinoid
Co-factors on Bioremediation of Chlorinated Compounds. Specific modifications to
helper molecules, or co-factors, play an important role in how efficiently some bacteria
can degrade toxic chlorinated pollutants. In a new study, researchers from the
University of Tennessee found that specific chemical modifications to corrinoid
co-factors, a group of molecules that includes vitamin B12, can affect how well bacteria
degrade chlorinated pollutants such as tetrachloroethene (PCE) and trichloroethene
(TCE). These findings could help improve cleanup of chlorinated contaminants at
hazardous waste sites.For more information, see

httEV/toolsjijehsjijhjgov/siE/researchbnefe/vjeWjCfm^Bijgf^jD^S^. TO get monthly Updates On research
advances from the SRP you can subscribe to their Research Brief mailing list at

httPs://list.nih.aov/cai-bin/wa.exe?SUBED1=SRP-BRIEF&A=1.

Technology Innovation News Survey Corner. The Technology Innovation News
Survey contains market/commercialization information; reports on demonstrations,
feasibility studies and research; and other news relevant to the hazardous waste
community interested in technology development. Recent issues, complete archives,
and subscription information is available at https://ciu-in.om/pmrtucts/tins/. The following
resources were included in recent issues:

• Contaminants in the Urban Environment: Perfluoroalkyl Substances

• Potential Designated Chemicals: Perfluoroalkyl and Polyfluoroalkyl Substances
(PFASs)

• Interim Guideline on the Assessment and Management of Perfluoroalkyl and
Polyfluoroalkyl Substances (PFAS): Contaminated Sites Guidelines [Australia]

• Short-Chain Polyfluoroalkyl Substances (PFAS)

• Demonstration and Validation of a Fractured Rock Passive Flux Meter: ESTCP
Cost and Performance Report

• The FLUTe(tm) Activated CarbonTechnology (FACT")

• Assessing the Potential for Metals Mobilization During the Application of In Situ
Chemical Oxidation Technologies

• Nano-Enabled Environmental Products and Technologies: Opportunities and
Drawbacks

EUGRIS Corner. New Documents on EUGRIS, the platform for European
contaminated soil and water information. More than 14 resources, events, projects and
news items were added to EUGRIS in March 2016. 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 resource was posted on EUGRIS:

The Remediated Sites and BrownfieldsSuccess Stories in Europe (2015). This
document presents cases and successful stories of remediated sites and brownfields
while facilitating the exchange of information on contaminated soils and soil

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remediation between the Eionet contributing countries. It is not meant to provide an
exhaustive inventory of remediated sites in all countries. Thirteen countries comprising
19 European regions present a total of 29 cases which illustrate how soil and
brownfields remediation along with sustainable land management have become
essential for reversing the trend of soil degradation and ensuring the provision of
ecosystem services by soil. View or download at

http://esdac.irc.ec.eu ropa.eu/content/remediated-sites-and-brownfields%E2%80%93success-stories-europe

> Conferences and Symposia

LNAPLs: Science, Management, and Technology - ITRC 2-day Classroom
Training, Atlanta (area), GA, April 5-6, 2016. Led by internationally recognized
experts, this 2-day ITRC classroom training will enable you to develop and apply an
LNAPL Conceptual Site Model (LCSM), understand and assess LNAPL subsurface
behavior, develop and justify LNAPL remedial objectives including maximum extent
practicable considerations, select appropriate LNAPL remedial technologies and
measure progress, and use ITRC's science-based LNAPL guidance to efficiently move
sites to closure. Interactive learning with classroom exercises and Q&A sessions will
reinforce these course learning objectives. For local, state, and federal government;
students; community stakeholders; and tribal representatives, ITRC has a limited
number of scholarships (waiver of registration fee only) available. For more information

and tO register, see http://www.itrcweb.ora/trainina.

ITRC Annual Meeting, Minneapolis, MN, April 18-22, 2016. The 2016 ITRC Annual
Meeting will bring together environmental professionals from across the country for an
opportunity to network and collaborate on innovative approaches to solving
environmental challenges. Meeting opportunities include: work sessions for all 2016
ITRC Teams, information about ITRC's direction from the new ITRC Director and Board
of Advisors, Opportunities to network with the environmental community, an opportunity
to hear about our latest draft documents: Bioavailability in Contaminated Soil and
Characterization and Remediation in Fractured Rock. For more information and to

9th Symposium on Design and Construction Issues at Hazardous Waste Sites,
Philadelphia, PA, April 20-22, 2016. The applications of engineering and science
associated with cleaning up hazardous waste sites continue to evolve rapidly. The goal
of this symposium, co-hosted by the Society of American Military Engineers (SAME)
Philadelphia Post and the U.S. EPA, is to facilitate an interactive engagement between
professionals from government and the private sector related to relevant and topical
issues affecting our field. For more information and to register, see

http://secure,sameposts,ora/franchises/philadelphia/events/634.

Petroleum Vapor Intrusion: Fundamentals of Screening, Investigation, and
Management - ITRC 2-day Classroom Training, Denver, CO, May 9-10, 2016. This
2-day ITRC classroom training is based on the ITRC Technical and Regulatory
Guidance Web-Based Document, Petroleum Vapor Intrusion: Fundamentals of
Screening, Investigation, and Management (PVI-1, 2014) and led by internationally
recognized experts. Within the training class - hear about EPA's Technical Guide For
Addressing Petroleum Vapor Intrusion At Leaking Underground Storage Tank Sites
(June 2015).The ITRC guidance document and EPA guide are complementary
documents with the ITRC training course providing the "how-to" knowledge and skills
for screening, investigating, and managing the petroleum vapor intrusion pathway. The
class will enable you to develop the skills to screen-out petroleum sites based on the

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scientifically-supported ITRC strategy and checklist; focus the limited resources
investigating those PVI sites that truly represent an unacceptable risk; and
communicate ITRC PVI strategy and justify science-based decisions to management,
clients, and the public. Interactive learning with classroom exercises and Q&A sessions
will reinforce these course learning objectives. For local, state, and federal government;
students; community stakeholders; and tribal representatives, ITRC has a limited
number of scholarships (waiver of registration fee only) available. For more information

and tO register, see http://www.itrcweb.ora/trainina.

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. We invite sponsors
to input information on their events at https://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.

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