OSHA silica standard delayed until Sept. 23, for more info on the standard: http://memicsafety.typepad.com/.services/blog/6a00e553697a6a883400e553697a6d8834/search?filter.q=silica … @greenhousenyt @ijournal @josheidelson
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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#shame on this administration.#Construction workers shouldn't have to get sick to support their families.Thanks. Twitter will use this to make your timeline better. UndoUndo
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