• Asbestos mitigation working at Oroville Dam spillway

    Oroville >> Efforts to keep asbestos under control at the Oroville Dam spillway reconstruction site appear to have worked, according to information from the … An “action level” of 0.005 asbestos structures per cubic centimeter of air was set, based on recommendations of the California Department of Toxic …

    Read More
  • 0 0