A new study's findings confirmed "silica as a human carcinogen and suggest that current exposure limits in many countries might be insufficient to protect workers from lung cancer. They also indicate that smoking cessation could help reduce lung cancer risk for silica-exposed individuals." http://aje.oxfordjournals.org/content/early/2013/09/15/aje.kwt139.abstract #fracsand #fracking #construction
Sand From Fracking Could Pose Lung Disease Risk To Workers
The New York Times reported that: "New [OSHA] Rules Would Cut Silica Dust Exposure" for workers. http://www.nytimes.com/2013/08/24/business/new-rules-would-cut-silica-dust-exposure.html?_r=0 #fracking #fracsand
The Star Tribune reports: "Pollution worries abound in frac sand waste streams." http://www.startribune.com/local/215335701.html?page=all=1=y#continue The article reports: "In addition to problems with runoff and waste piles, state officials and some frac-sand companies are wary about the widespread use of a chemical called polyacrylamide to clarify sand-processing water. Polyacrylamide contains residual amounts of acrylamide, a neurotoxin linked to cancer and infertility."
According to the Mayo Clinic doctor quoted in the linked article, the silica sand being mined in the Midwest to be used in #fracking is linked to: silicosis, cancer, Wegener's Granulo Amortises, rheumatoid arthritis, and lupus.