Perlite, vermiculite, and zeolite are among the most popular soil additives in gardening and are often offered together. Although all three materials can improve the soil, they differ significantly ...
On another major issue of concern, Whitman said the EPA is exploring ways to remove potentially dangerous vermiculite insulation from hundreds of Libby homes without setting a national precedent.
HELENA -- State officials had a responsibility to warn miners about decades of dangerous health conditions at a Libby vermiculite mine, but a trial is needed to determine if government officials ...
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