New Tool Determines If Vermiculite Insulation Contains
· Vermiculite from Libby has a distinct signature that sets it apart Swayze said It s erroneous to think all the vermiculite is from Libby It is not The spectrometer works by identifying the source which involves differences in elemental composition that are measured by electron probe microanalysis Swayze and his team examined 52 vermiculite samples from the five sites