vapor intrusion exposure News

  • Vapor Intrusion: A hidden danger

    As public awareness has increased, the issue of vapor intrusion in buildings has become a significant environmental concern for building occupants, regulators and industry leaders. According to the EPA, the potential health issues vary and are dependent upon the types of chemicals and concentrations of the chemicals as well as the length of the exposure and the overall health of those that are ...


  • PERC Exposure Risks Due to Vapor Intrusion and Other Pathways

    The San Gabriel Valley Tribune recently published an article about indoor air quality testing that is being conducted by the U.S. Environmental Protection Agency (EPA). Over 100 residential homes, commercial properties and recreational facilities have been tested so far for chemical contaminants in the El Monte and South El Monte areas. All of this is a result of concerns about chemicals ...


    By Clark Seif Clark Inc.

  • TCE Exposure Risks Due to Vapor Intrusion & Other Pathways

    Vapor intrusion occurs when there is a migration of volatile chemicals from contaminated groundwater or soil into an overlying building. Volatile chemicals emit vapors that migrate through subsurface soils and into indoor air spaces that can cause exposure concerns for the building’s occupants.   One common chemical pollutant that routinely causes vapor ...


    By Cochrane & Associates, LLC

  • CMT simplifies Vapor intrusion monitoring

    Vapor intrusion refers to the movement of volatile chemicals from the subsurface into the indoor air of overlying buildings. The most common source is groundwater or soil contaminated with volatile organic compounds (VOCs). VOCs emit vapors that migrate into pore spaces of the soil and upward into the overlying environment. Generally, vapors enter buildings through cracks and openings in the ...


    By Solinst Canada Ltd.

  • Vapor Intrusion Problems Risk Building Occupants’ Health

    EMSL Analytical offers vapor intrusion and volatile organic compound (VOC) testing services to protect building occupants from vapor intrusion exposure. Cinnaminson, NJ, October 8th, 2010 Vapor intrusion happens when a gaseous substance migrates into a building.  Radon, volatile organic compounds, water vapor and other gases can make there way through cracks in ...


    By EMSL Analytical, Inc.

  • CMT for high resolution vapor intrusion monitoring

    Background Vapor intrusion refers to the movement of volatile chemicals from the subsurface into the indoor air of overlying buildings. The most common source is groundwater or soil contaminated with volatile organic compounds (VOCs). VOCs emit vapors that migrate into pore spaces of the soil and upward into the overlying environment. Generally, vapors enter buildings through cracks and ...


    By Solinst Canada Ltd.

  • Vapor Intrusion Dangers Exposed in New Online Video

    Today, the IAQ Video Network and Cochrane & Associates announced the release of their latest online video.  The video is about vapor intrusion and the health hazards for building occupants exposed to short and long-term exposures. Vapor intrusion is the process by which chemicals migrate to the indoor air above a contaminated site.  Vapor intrusion generally occurs when there is ...


    By Cochrane & Associates, LLC

  • Vapor Intrusion, an Invisible Threat to Building Occupants

    In 1970, over a dozen railroad cars left their tracks in Leroy, New York.  Several ruptured containers held trichloroethylene, also known as TCE.  An estimated 30,000 to 35,000 gallons of the chemical spilled to the ground.   The TCE that spilled has made its way into the ground across the area prompting officials to perform vapor intrusion testing in a number of homes decades ...

  • Buildings with Vapor Intrusion Issues Risk Occupants’ Health

    Molecular filtration solutions from UVDI’s Sparks Technology can help remove dangerous volatile organic compounds (VOCs) to improve building indoor air quality (IAQ). Vapor intrusion is described by building envelop professionals as what happens when a gaseous substance migrates into a building.  Volatile organic compounds and other gases can make their way from contaminated soils and ...


    By Cochrane & Associates, LLC

  • Vapor Intrusion Risks a Real Threat to Building Occupants

    Vapor intrusion is the process by which chemicals migrate to the indoor air above a contaminated site.  Vapor intrusion generally occurs when there is movement of volatile chemicals from contaminated groundwater or soil into an overlying building. In extreme cases, the vapors may accumulate in dwellings or occupied buildings to levels that may pose near-term safety hazards from explosions, ...


    By EMSL Analytical, Inc.

  • Vapor Intrusion Issues have Activists Concerned in California

    Palo Alto’s Mountain View Voice published a story recently about concerns over toxic chemicals at a former military housing complex.  Orion Park has been at the center of attention since trichloroethylene (TCE) was found in the groundwater and from samples taken from buildings on the site.  The TCE is believed to have contaminated the site from the property’s years of ...


    By EMSL Analytical, Inc.

  • Vapor Intrusion Issues Concern Nebraska Residents

    Nebraska health officials identified volatile organic compounds (VOCs) in the water wells of Columbus, NE in 1983. Beginning in 1987, the U.S. Environmental Protection Agency (EPA) began implementing procedures to reduce the levels of tetrachloroethylene (PCE) that were found in the area.   Recently, the EPA announced plans to tear down several businesses to speed up the remediation process ...


    By EMSL Analytical, Inc.

  • Mid-Atlantic Building Experts Resolve Vapor Intrusion Problems

    The Environmental Protection Agency (EPA) released a Notice of Opportunity for Public Input in January.  The notice solicited input about whether to include a vapor intrusion component to the Hazard Ranking System (HRS).  Since then they have held “listening sessions” on the topic.   The release stated, “The HRS is the principal mechanism EPA uses to place sites ...


    By Cochrane & Associates, LLC

  • Tetrachloroethylene (PERC) at Superfund Sites in Puerto Rico & Vapor Intrusion Concerns

    During the past 4 years, the U.S. Environmental Protection agency (EPA) has added several sites in Puerto Rico to the Superfund list.  Included in this list are the Cabo Rojo Ground Water Contamination site, the Hormigas Ground Water Plume site and the Corozal Well site.  All three of these additions to the EPA’s Superfund list have been found to contain tetrachloroethylene, ...


    By Cochrane & Associates, LLC

  • Buildings with Vapor Intrusion Problems May Pose a Significant Risk to Building Occupants

    The environmental professionals at Clark Seif Clark (CSC) provide testing solutions for commercial and residential properties to identify vapor intrusion problems and to protect occupants from any toxic vapors.   Vapor intrusion in any structure creates an environment that could damage structural materials and/or put the building’s occupants’ health at risk.  Reactions to ...


    By Cochrane & Associates, LLC

  • EPA Solicits Input about Vapor Intrusion as a Component to the Hazard Ranking System

    In January of this year the Environmental Protection Agency (EPA) released a Notice of Opportunity for Public Input.  The notice was to solicit input about whether to include a vapor intrusion component to the Hazard Ranking System (HRS). The release states, “The HRS is the principal mechanism EPA uses to place sites on the Comprehensive Environmental Response, Compensation, and ...


    By EMSL Analytical, Inc.

  • St. Louis Residents Surprised to Learn of Potential Vapor Intrusion Issues

    Last month, The St. Louis American published a report about the surprise and shock of many residents who have learned that their homes may have issues with vapor intrusion.  The article discusses a public housing development known as Elmwood Park that is located above an area that may have contaminated groundwater. The story begins 22 years ago when a metal company spilled trichloroethylene ...


    By EMSL Analytical, Inc.

  • Vapor Intrusion Issues Still a Concern in Endicott, New York

    In the late 1970s a chemical spill occurred at a manufacturing plant in Endicott, New York.  Earlier this month, channel 34 in Binghamton broadcast a report about the ongoing cleanup efforts, decades after the incident. The spill caused groundwater to be contaminated with trichloroethylene, also known as TCE.  The TCE can enter buildings over the toxic plume through a process known as ...


    By EMSL Analytical, Inc.

  • Vapor Intrusion Problems Still an Issue 40 Years after Toxic Spill

    Earlier this month, WGRZ published a story about vapor intrusion problems in Leroy, New York.  The problem began in 1970 when 25 rail cars left their tracks and spilled cyanide crystals and trichloroethylene (TCE).  An estimated 30,000 to 35,000 gallons of TCE spilled onto the ground. According to the report, the cyanide was cleaned up, but the TCE wasn’t.  It didn’t ...


    By EMSL Analytical, Inc.

  • EPA Releases Technical Guides to Support Vapor Intrusion Assessment and Mitigation Activities

    Today (June, 11), the U.S. Environmental Protection Agency (EPA) released two technical guides to support assessment and mitigation activities at sites where vapor intrusion is an actual or potential concern. The Technical Guide for Assessing and Mitigating the Vapor Intrusion Pathway from Subsurface Vapor Sources to Indoor Air applies to all sites being evaluated under federal land cleanup ...

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