<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1493370015964_3353"> I have copied a link to a pdf that I thought was good.</div><div id="yui_3_16_0_ym19_1_1493370015964_3352">In the list of sources of ignition it's quoting a new one to me, which is static</div><div id="yui_3_16_0_ym19_1_1493370015964_3380" dir="ltr">electricity through flow across certain valve seat materials!</div><div id="yui_3_16_0_ym19_1_1493370015964_3437" dir="ltr"><a href="http://www.documentation.emersonprocess.com/groups/public/documents/bulletins/d100071x012.pdf">http://www.documentation.emersonprocess.com/groups/public/documents/bulletins/d100071x012.pdf</a></div><div id="yui_3_16_0_ym19_1_1493370015964_3387" dir="ltr">Alan</div></div></body></html>