The EPA began collecting ambient air samples throughout the Libby Asbestos Superfund site in October of 2006. Ambient air is the general outdoor air in which we live and breathe. Ambient air does not represent air that may be breathed by individuals conducting or near an activity that directly impacts air quality. While ambient air samples were collected at the site prior to 2006, this was the first formal sampling plan intended to monitor Libby amphibole (LA) asbestos concentrations within the ambient air across the Libby Site. The EPA continued to collect Ambient Air samples throughout the Libby and Troy areas through 2013.
Starting in September of 2013, the ARP assumed responsibility for all continued ambient air monitoring. We currently collect samples monthly at 3 locations in Libby and 3 locations in Troy. The intent of this sampling is to confirm that the remedy implemented by the EPA remains effective and that current activities are not generating increased levels of LA within the ambient air. This data will provide the community, visitors and potential visitors with information on the air quality, from an asbestos stand-point, in the Libby and Troy areas.
*Ambient Air sampling results will be available on this page in the future, so check back soon!
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