Perlite toxicology and epidemiology – a review
2014-3-4 · After removal of overburden, 2 Perlite mines use ripping, blasting, or both after which the ore is loaded on trucks or scrapers for transport to the processing plant. Crude perlite processing is limited to crushing, drying, grinding, screening, sizing, and possibly blending; commercial deposits of perlite have little overburden and no chemicals ...