Tag: MERV

Silica health risks go beyond the oilfields

Silica, hydraulic fracking in the news Crystalline silica in the work place is in the news this month because investigation by public health officials indicates it may be a health hazard for workers involved in hydraulic fracturing [fracking]. OSHA hopes to issue new silica regulations this spring. [1] Silica is found in soils, rocks and… Read more »