CLU-IN | Training & Events

Training & Events

Upcoming Internet Seminars

CLU-IN's ongoing series of Internet Seminars are free, web-based slide presentations with a companion audio portion. We provide two options for accessing the audio portion of the seminar: by phone line or streaming audio simulcast. More information and registration for all Internet Seminars is available by selecting the individual seminar below. Not able to make one of our live offerings? You may also view archived seminars.

November 2016

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
		1	2	3 ITRC Environmental Molecular Diagno...	4	5
6	7 The Interplay Between Environmental...	8	9	10 EPA's Strategy to Address the Retai...	11	12
13	14 Passive Treatment of Mining-Influen...	15 ITRC Groundwater Statistics for Env... Groundwater Statistics for Environmental Project Managers	16	17 ITRC Use and Measurement of Mass Fl... Use and Measurement of Mass Flux and Mass Discharge	18	19
20	21	22	23	24	25	26
27	28	29 ITRC Geophysical Classification for... Geophysical Classification for Munitions Response	30 Hazardous Waste Generator Improveme...

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Leveraging Resources for Brownfields Revitalization: Meet the Funders - Infrastructure

This "Meet the Funders" webinar will highlight resources available from the Department of Transportation, The U.S. Army Corps of Engineers, and the EPA Office of Water. It is the third of OBLR's webinar series focusing on what communities need to do to successfully leverage resources for brownfields revitalization.

Dec 14, 2016
1:00PM-2:30PM EST
18:00-19:30 GMT

Content Questions?
Call Patricia Overmeyer at 202-566-2774 or overmeyer.patricia@epa.gov

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Hazardous Waste Export-Import Final Rule Requirements and Implementation

Webinar to discuss the recently signed Hazardous Waste Export-Import Revisions Final Rule (Docket No. EPA-HQ-RCRA-2015-0147) that will become effective on December 31, 2016.

Dec 12, 2016
1:00PM-4:00PM EST
18:00-21:00 GMT

Content Questions?
Call Liz Sundin at 703-347-8955 or sundin.elizabeth@epa.gov

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EPA's Strategy to Address the Retail Sector Under RCRA

EPA published the Retail Strategy to address hazardous waste management challenges faced by the retail sector under the federal Resource Conservation and Recovery Act (RCRA). Hazardous waste management regulations, many of which were developed more than 35 years ago with industrial and manufacturing settings in mind, can pose compliance challenges for the retail sector. The strategy lays out a cohesive and effective plan to address these unique challenges while reducing burden and protecting human health and the environment.

As part of EPA's ongoing outreach efforts associated with implementing the Agency's Retail Strategy, we have scheduled this webinar in order to provide an overview of the strategy and to offer audience members the opportunity to ask questions, make suggestions, share experiences and exchange information. We encourage you to take a look at the retail strategy and accompanying retail flowchart (PDF), share this information with others and encourage others to participate in the webinar.

Nov 10, 2016
1:30PM-3:00PM EST
18:30-20:00 GMT

Content Questions?
Call Greta Harman at 703-308-8461 or harman.greta@epa.gov

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Re-imagining the Future of Mining Sites

Mining activities form an integral part of both historic and current economies in the United States. However, mining operations can also leave behind legacies of contamination. While abandoned mines no longer operate, many continue to have impacts on human health and the environment. At the same time, new and existing mining operations continue to expand. EPA works with mining stakeholders, including other federal agencies, states, tribes, local groups, and industries, not only to address the serious health and environmental challenges posed by some mining practices, but also to support the reuse of these areas to benefit the surrounding community. This webinar will explore the broad spectrum of safe and productive reuses possible at mining sites and present a case study highlighting several of these reuses in practice at a mining site in Salt Lake City, Utah.

Dec 7, 2016
3:30PM-5:00PM EST
20:30-22:00 GMT

Content Questions?
Call Sarah Alfano at 434-975-6700, ext 265 or salfano@skeo.com

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The Interplay Between Environmental Exposures and Infectious Agents: Session III - Co-exposures in the Lung

The NIEHS Superfund Research Program (SRP) presents the third session in the Risk e-Learning series, The Interplay Between Environmental Exposures and Infectious Agents. The seminar series examines the interactions between environmental exposures and infectious agents in the development of disease. The series will highlight researchers from around the country who are doing innovative research to better understand this relationship between environmental exposures, infectious agents, and immune response.

This session series will focus on interactions between environmental exposures and infectious agents in the lung.

Steven Kleeberger, Ph.D., a principle investigator in the NIEHS Intramural Research Program, will describe his work to understand the mechanisms of Respiratory Syncytial Virus (RSV) infection and disease severity and how that relates to exposure to environmental insults. His findings may help identify individuals at risk for severe RSV infection.

Fenna Sillé, Ph.D., an assistant professor at Johns Hopkins University and former University of California, Berkeley SRP postdoctoral researcher, will discuss how early-life exposure to arsenic permanently changes the immune system and increases infectious disease risk later in life, using Mycobacterium tuberculosis in the lung as the model. Their observations in Chile suggest that arsenic impacts critical processes that occur in early life, such as the developing immune system, thereby contributing to increased mortality risk from cancer, bronchiectasis and tuberculosis (TB) later in life. As part of their studies, they observed metabolic and immunogenic alterations in arsenic exposed macrophages and mice as well as effects on TB pathogenicity in vivo. Together, their data elucidates how arsenic influences infectious disease risk in exposed populations.

Stephania Cormier, Ph.D., a professor at the University of Tennessee Health Science Center and Center Director of the Louisiana State University SRP Center, will discuss the relationship between environmentally-persistent free radicals (EPFRs) and severity of respiratory viral infections. Exposure to elevated levels of particulate matter containing EPFRs is associated with increased risk of morbidity and mortality from respiratory tract viral infections in children. She will discuss how early-life exposure to EPFRs elicits active immunosuppressive and demonstrate the role of Tregs and IL10 in enhanced influenza severity. Finally, she will demonstrate that blocking such immune responses can protect against severe disease.

Nov 7, 2016
1:00PM-3:00PM EST
18:00-20:00 GMT

Content Questions?
Call Sara Mishamandani at 919-213-4906 or smishamandani@michaeldbaker.com

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Hazardous Waste Generator Improvements Final Rule

EPA recently overhauled the hazardous waste generator regulations under the Resource Conservation and Recovery Act (RCRA) to improve compliance and thereby enhance protection of human health and the environment. These changes are both a result of EPAs experience in implementing and evaluating the hazardous waste generator program over the last 30 years, as well as a response to concerns and issues identified by the states and regulated community. This webinar will delve into the recent changes and describe in detail:

Which components of the hazardous waste generator regulatory program were revised;
Which gaps in the regulations were addressed in this rule;
The greater flexibility provided by this rule for hazardous waste generators to manage their hazardous waste in a cost-effective and protective manner;
How the hazardous waste generator regulations were reorganized to make them more user-friendly and thus improve their usability by the regulated community; and
What technical corrections and conforming changes were made to address inadvertent errors, remove obsolete references to programs that no longer exist, and improve the readability of the regulations.

Nov 30, 2016
2:00PM-3:30PM EST
19:00-20:30 GMT

Content Questions?
Call Christine Arcari at 703-308-8462 or arcari.christine@epa.gov

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Hazardous Waste Generator Improvements Final Rule

Which components of the hazardous waste generator regulatory program were revised;
Which gaps in the regulations were addressed in this rule;
The greater flexibility provided by this rule for hazardous waste generators to manage their hazardous waste in a cost-effective and protective manner;
How the hazardous waste generator regulations were reorganized to make them more user-friendly and thus improve their usability by the regulated community; and
What technical corrections and conforming changes were made to address inadvertent errors, remove obsolete references to programs that no longer exist, and improve the readability of the regulations.

Dec 5, 2016
2:00PM-3:30PM EST
19:00-20:30 GMT

Passive Treatment of Mining-Influenced Water: From Bench Scale to O&M

Passive treatment refers to processes that do not require frequent human intervention, operation, or maintenance, and typically employ natural construction materials, natural treatment media, and promote growth of natural vegetation. Biochemical reactors (BCRs) are a type of passive treatment system that use microorganisms to remove contaminants from mining-influenced water (MIW). BCRs and other passive treatment processes can be cost-effective and lower-maintenance treatment options for mine site cleanups. They also offer significant opportunities to reduce the environmental footprint associated with treatment of MIW.

In recent years, development and implementation of passive systems has increased. However, there’s still plenty to learn about their effectiveness. Pilot studies are good ways to study passive treatment and their application scenarios. In this webinar, two case studies will be presented that document design and implementation of BCRs to passively treat MIW – from bench-scale tests to full-scale operation and maintenance, including recovery of iron oxide byproducts for sale.

Case Study 1: Passive Treatment of Metal Mine Drainage at an Abandoned Mine near Lake Shasta, California

James Gusek, Sovereign Consulting, Inc. and Rick Weaver, USDA Forest Service

Case Study 2: Operation and Maintenance of Passive Treatment Systems at Two Bituminous Coal Mines in Southwestern Pennsylvania

Bob Hedin, Hedin Environmental and Iron Oxide Recovery, Inc. and Amy Wolfe, Trout Unlimited, Pennsylvania Coldwater Habitat Restoration Program and Easter Abandoned Mine Program

Nov 14, 2016
1:00PM-3:00PM EST
18:00-20:00 GMT

Content Questions?
Call Michele Mahoney at 703-603-9057 or mahoney.michele@epa.gov

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Seminars Sponsored by the Interstate Technology and Regulatory Council

Environmental Molecular Diagnostics: New Tools for Better Decisions

Environmental molecular diagnostics (EMDs) are a group of advanced and emerging analytical techniques used to analyze biological and chemical characteristics of environmental samples. Conventional data (e.g., hydrogeological data, chemical, and geochemical analyses) often provide only indirect data regarding the mechanisms and rates of key attenuation or treatment processes. EMDs can complement these data by providing direct measurements of the organisms, genes or enzymes involved in contaminant biodegradation, of the relative contributions of abiotic and biotic processes, and of the relative rates of various degradation processes. The information provided by EMDs can improve estimates of attenuation rates and capacities and improve remedy performance assessments and optimization efforts. Improved understanding of the biological and non-biological degradation processes also can lead to greater confidence in MNA or closure decisions. EMDs have application in each phase of environmental site management (including site characterization, remediation, monitoring, and closure activities), address a wide variety of contaminants (including PCE, PCBs, radionuclides, perchlorate, fuels), and work with various media (including groundwater, soil, sediments, soil vapor).

Although EMDs have been used over the past 25 years in various scientific fields, particularly medical research and diagnostic fields, their application to environmental remediation management is relatively new and rapidly developing. The ITRC Environmental Molecular Diagnostics Fact Sheets (EMD-1, 2011), ITRC Environmental Molecular Diagnostics Technical and Regulatory Guidance (EMD-2, 2013) and this companion Internet-based training will foster the appropriate uses of EMDs and help regulators, consultants, site owners, and other stakeholders to better understand a site and to make decisions based on the results of EMD analyses. At the conclusion of the training, learners will be able to determine when and how to use the ITRC Environmental Molecular Diagnostics Technical and Regulatory Guidance (EMD-2, 2013); define when EMDs can cost-effectively augment traditional remediation data sets; and describe the utility of various types of EMDs during remediation activities.

Training participants are encouraged to review the ITRC EMD Fact Sheets, in particular the Introduction to EMDs fact sheet, before the Internet-based training.

Nov 3, 2016
1:00PM-3:15PM EDT
17:00-19:15 GMT

Content Questions?
Call the ITRC Training Program at 402-201-2419 or training@itrcweb.org

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Groundwater Statistics for Environmental Project Managers

Statistical techniques may be used throughout the process of cleaning up contaminated groundwater. It is challenging for practitioners, who are not experts in statistics, to interpret, and use statistical techniques. ITRC developed the Technical and Regulatory Web-based Guidance on Groundwater Statistics and Monitoring Compliance (GSMC-1, 2013, http://www.itrcweb.org/gsmc-1/) and this associated training specifically for environmental project managers who review or use statistical calculations for reports, who make recommendations or decisions based on statistics, or who need to demonstrate compliance for groundwater projects. The training class will encourage and support project managers and others who are not statisticians to:

Use the ITRC Technical and Regulatory Web-based Guidance on Groundwater Statistics and Monitoring Compliance (GSMC-1, 2013) to make better decisions for projects
Apply key aspects of the statistical approach to groundwater data
Answer common questions on background, compliance, trend analysis, and monitoring optimization

ITRC's Technical and Regulatory Web-based Guidance on Groundwater Statistics and Monitoring Compliance (GSMC-1, 2013) and this associated training bring clarity to the planning, implementation, and communication of groundwater statistical methods and should lead to greater confidence and transparency in the use of groundwater statistics for site management.

Nov 15, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Content Questions?
Call ITRC Training Program at 402-201-2419 or training@itrcweb.org

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Use and Measurement of Mass Flux and Mass Discharge

Most decisions at groundwater contamination sites are driven by measurements of contaminant concentration -- snapshots of contaminant concentrations that may appear to be relatively stable or show notable changes over time. Decisions can be improved by considering mass flux and mass discharge. Mass flux and mass discharge quantify the source or plume strength at a given time and location resulting in better-informed management decisions regarding site prioritization or remedial design as well as lead to significant improvements in remediation efficiency and faster cleanup times. The use of mass flux and mass discharge is increasing and will accelerate as field methods improve and practitioners and regulators become familiar with its application, advantages, and limitations. The decision to collect and evaluate mass flux data is site-specific. It should consider the reliability of other available data, the uncertainty associated with mass flux measurements, the specific applications of the mass flux data, and the cost-benefit of collecting mass measurements.

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. Practitioners, regulators, and others working on groundwater sites should attend this training course to learn more about various methods and potential use of mass flux and mass discharge information.

Nov 17, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Geophysical Classification for Munitions Response

For decades, the U.S. Department of Defense (DOD) has produced and used military munitions for live-fire testing and training to prepare the U.S. military for combat operations. As a result, unexploded ordnance (UXO) and discarded military munitions may be present at over 5,200 former ranges and former munitions operating facilities throughout the United States. With the traditional technique to identify munitions for removal at these sites, DOD and its contractors have used various types of detection instruments to simply detect buried metal objects then excavation and examination of most of the detected items, to determine whether or not they are military munitions. Even highly trained UXO-qualified personnel typically excavate hundreds of metal items for each one munition recovered. Nearly half of these sites require a munitions response, at an estimated cost to complete of $14 billion and with a completion date of 2100. To improve the efficiency of munitions response, DOD’s Environmental Security Technology Certification Program and its research partners in academia and industry have developed a new approach: geophysical classification. Geophysical classification is the process of using advanced data to make principled decisions as to whether buried metal objects are potentially hazardous munitions (that is targets of interest) that should be excavated, or items such as metal clutter and debris (non-targets of interest) that can be left in the ground.

ITRC’s Geophysical Classification for Munitions Response (GCMR-2, 2015) and training class 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 throughout a project
Find tools to transfer knowledge within organizations and to stakeholders
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 federal and state environmental regulators, scientists, and engineers, as well as contractors, munitions response managers, technical staff, geophysicists, and stakeholders, this document explains how geophysical classification can be used in munitions response. Stakeholders with an interest in a particular munitions response site (MRS) at which classification has been or may be proposed will also benefit from this document and training.

For use during this training class, we created a reference with the Terminology and Acronyms used in ITRC “Geophysical Classification for Munitions Response” Training.

Nov 29, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Mining Waste Treatment Technology Selection

Mining produces millions of tons of waste each year. Contaminants from unreclaimed or unremediated areas have affected millions of acres of land and over 10,000 miles of stream. Historical mining practices and the absence of routine mined-land reclamation, remediation, and restoration have led to legacy sites with significant environmental and human health impacts. New mining operations continue to have severe waste issues that must be addressed during and after the actual mining operation. Conventional remedial solutions are often lengthy, expensive, and unacceptable to the regulated and regulatory communities, as well as to the public.

ITRC's Mining Waste Team developed the ITRC Web-based Mining Waste Treatment 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 Mining Waste Treatment Technology Selection site to identify appropriate technologies, address all impacted media, access case studies, and understand potential regulatory constraints.

Dec 1, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Integrated DNAPL Site Characterization

Sites contaminated with dense nonaqueous phase liquids (DNAPLs) and DNAPL mixtures present significant environmental challenges. Despite the decades spent on characterizing and attempting to remediate DNAPL sites, substantial risk remains. Inadequate characterization of site geology as well as the distribution, characteristics, and behavior of contaminants -- by relying on traditional monitoring well methods rather than more innovative and integrated approaches -- has limited the success of many remediation efforts.

The Integrated DNAPL Site Characterization Team has synthesized the knowledge about 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 ITRC Integrated DNAPL Site Characterization and Tools Selection (ISC-1, 2015) 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
Navigate the DNAPL characterization tools table and select appropriate technologies to fill site-specific data gaps

For reference during the training class, participants should have a copy of Figure 4-1, the integrated site characterization flow diagram from the ITRC Technical and Regulatory Guidance document: Integrated DNAPL Site Characterization and Tools Selection (ISC-1, 2015) and available as a PDF at http://www.cluin.org/conf/itrc/IDSC/ITRC-ISC-Figures.pdf

Dec 6, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Biochemical Reactors for Treating Mining Influenced Water

Mining influenced water (MIW) includes aqueous wastes generated by ore extraction and processing, as well as mine drainage and tailings runoff. MIW handling, storage, and disposal is a major environmental problem in mining districts throughout the U.S and around the world. Biochemical reactors (BCRs) are engineered treatment systems that use an organic substrate to drive microbial and chemical reactions to reduce concentrations of metals, acidity, and sulfate in MIWs. The ITRC Biochemical Reactors for Mining-Influenced Water technology guidance (BCR-1, 2013) and this associated Internet-based training provide an in-depth examination of BCRs; a decision framework to assess the applicability of BCRs; details on testing, designing, constructing and monitoring BCRs; and real world BCR case studies with diverse site conditions and chemical mixtures. At the end of this training, you should be able to complete the following activities:

Describe a BCR and how it works
Identify when a BCR is applicable to a site
Use the ITRC guidance for decision making by applying the decision framework
Improve site decision making through understanding of BCR advantages, limitations, reasonable expectations, regulatory and other challenges
Navigate the ITRC Biochemical Reactors for Mining-Influenced Water technology guidance (BCR-1, 2013)

For reference during the training class, participants should have a copy of Figure 2-1, decision flow process for determining the applicability of a biochemical reactor. It is also available as a 1-page PDF at http://www.cluin.org/conf/itrc/BCR/ITRC-BCRforMIW-DecisionFlow.pdf.

Participants should also be familiar with the ITRC technology and regulatory guidance for Mining-Waste Treatment Technology Selection (MW-1, 2010) and associated Internet-based training that helps regulators, consultants, industry, and stakeholders in selecting an applicable technology, or suite of technologies, which can be used to remediate mining sites.

Dec 8, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

Integrated DNAPL Site Strategy

Sites contaminated by chlorinated solvents present a daunting environmental challenge, especially at sites with dense nonaqueous phase liquid (DNAPL) still present. Restoring sites contaminated by chlorinated solvents to typical regulatory criteria (low parts-per-billion concentrations) within a generation (~20 years) has proven exceptionally difficult, although there have been successes. Site managers must recognize that complete restoration of many of these sites will require prolonged treatment and involve several remediation technologies. To make as much progress as possible requires a thorough understanding of the site, clear descriptions of achievable objectives, and use of more than one remedial technology. Making efficient progress will require an adaptive management approach, and may also require transitioning from one remedy to another as the optimum range of a technique is surpassed. Targeted monitoring should be used and re-evaluation should be done periodically.

This ITRC Integrated Dense Nonaqueous Phase Liquid Site Strategy (IDSS-1, 2011) technical and regulatory guidance document will assist site managers in development of an integrated site remedial strategy. This course highlights five important features of an IDSS including:

A conceptual site model (CSM) that is based on reliable characterization and an understanding of the subsurface conditions that control contaminant transport, reactivity, and distribution
Remedial objectives and performance metrics that are clear, concise, and measureable
Treatment technologies applied to optimize performance and take advantage of potential synergistic effects
Monitoring based on interim and final cleanup objectives, the selected treatment technology and approach, and remedial performance goals
Reevaluating the strategy repeatedly and even modifying the approach when objectives are not being met or when alternative methods offer similar or better outcomes at lower cost

This IDSS guidance and training is intended for regulators, remedial project managers, and remediation engineers responsible for sites contaminated by chlorinated solvents. Because the subject matter is complex, this guidance assumes a functional understanding of the field and is targeted towards experienced users; however, novices will benefit through descriptions and references of the latest evolution of site characterization challenges; realistic planning of site restoration; evolving treatment techniques; and evaluating, monitoring and interpreting mass transport in the subsurface aqueous and vapor phases. While the primary focus of the document is on DNAPL sites, other types of contaminated sites (e.g. petroleum, mixed contaminants, etc.) can use the same fundamental process described in this guidance.

For reference during the training class, participants should have a copy of the flow diagram, Figure 1-2 on page 6 of the ITRC Technical and Regulatory Guidance document, ITRC Integrated Dense Nonaqueous Phase Liquid Site Strategy (IDSS-1, 2011) and available as a 1-page PDF at http://www.cluin.org/conf/itrc/IDSS/ITRC-IDSS-1-Figure1-2.pdf.

Dec 13, 2016
1:00PM-3:15PM EST
18:00-20:15 GMT

The Training Exchange (Trainex)

The Training Exchange website (Trainex) is designed to provide a wide range of training information to EPA, other federal agency, state, tribal, and local staff involved in hazardous waste management and remediation. Trainex focuses on free training directed to federal and state staff. This site includes training schedules for deliveries of many courses, both classroom and Internet-based.

EPA works in partnership with organizations, such as the Interstate Technology Regulatory Council (ITRC), and other agencies, such as the Agency for Toxic Substances and Disease Registry (ATSDR), to offer training relevant to hazardous waste remediation, site characterization, risk assessment, emergency response, site/incident management, counter-terrorism, and the community's role in site management and cleanup.

Visit Trainex

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