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12/5/2017 - OSHA's Top Stories

1Source Safety and Health, Inc. has been and continues to be committed to providing the highest level of expertise to our clients. We are pleased to announce that ...

2008 News Archive

  • 1/15/2008 - The Risk Factor 1st Quarter 2008
    Vapor IntrusionWhat is vapor intrusion? Why is it now a concern? Is occupant health affected? Are there risk-assessment criteria? According to the EPA, “Vapor intrusion is the migration of volatile chemicals from the subsurface into overlying buildings. Volatile chemicals in buried wastes and/or contaminated groundwater can emit vapors that may migrate through subsurface soils and into indoor air spaces of overlying buildings in ways similar to that of radon gas seeping into ...

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