PCB-Containing Caulk: How Old Is Your Building?

Posted on November 3, 2009 by Linda Bochert

The U.S. Environmental Protection Agency (EPA) has found evidence that buildings constructed or renovated between 1950 and 1978 may have PCBs at high levels in caulk around windows and door frames, between masonry columns and in other building materials. Congress banned the manufacture and most uses of PCBs in 1976.

 

On September 25, 2009, EPA issued general guidance to communities as well as specific guidance to help school administrators and teachers reduce the risk of PCB exposure to children, and to assist contractors renovating buildings with suspect caulk.

 

Although EPA has generated specific guidance for school administrators and teachers, all buildings constructed during this time period may have PCB-containing caulk. EPA’s guidance helps to identify the extent of potential risks and to determine if mitigation steps are needed. EPA will work directly with building owners and administrators facing serious problems to help develop a practical approach to reduce exposures and prioritize caulk removal. 

 

EPA has also identified several unresolved scientific issues that must be better understood to determine the magnitude of the issue and to develop the best long-term solutions. As a result, EPA will conduct new research to better understand the risks posed by PCB-containing caulk. EPA plans to use these research findings to make additional recommendations to further minimize exposure and generate an action plan for caulk removal.

 

While the materials EPA released identify the issue of PCB-containing caulk as a concern, the agency advises there is insufficient information concerning the scope or severity of the issue to provide property owners and school administrators with very concrete advice about next steps.  Unfortunately, this can only leave both property owners and school administrators wondering, "just how big a concern is this and how should I respond?" Like lead paint, asbestos, mold, indoor air quality and other types of building hazards, PCBs can be added to the list of risks that real estate professionals and lawyers will have to address in building transactions.

 

For more information, contact EPA’s toll free hotline at 1-888-835-5372 or the EPA website located at: http://www.epa.gov/pcbsincaulk.

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