Plastics News - Mailbag - RSS News Feed http://www.plasticsnews.com/section/opinion03 http://www.plasticsnews.com/section/OPINION03 en-us Fri, 29 Apr 2016 07:27:36 EST 10 <![CDATA[Silica exposure rules don't apply to amorphous silica]]> http://www.plasticsnews.com/article/20160428/OPINION03/160429846/silica-exposure-rules-dont-apply-to-amorphous-silica Thu, 28 Apr 2016 06:00:00 EST 20160428/OPINION03/160429846 2016-04-28T06:00:00-05:00