1.0WAMUhttps://wamu.orgadminhttps://wamu.org/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="xTTJXzuN00"><a href="https://wamu.org/story/15/02/11/safety_board_issues_urgent_safety_guidelines_after_finding_problems_with_metro_ventilation_fans/">Safety Board Issues Urgent Safety Guidelines After Finding Problems With Metro Ventilation Fans</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://wamu.org/story/15/02/11/safety_board_issues_urgent_safety_guidelines_after_finding_problems_with_metro_ventilation_fans/embed/#?secret=xTTJXzuN00" width="600" height="338" title="“Safety Board Issues Urgent Safety Guidelines After Finding Problems With Metro Ventilation Fans” — WAMU" data-secret="xTTJXzuN00" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> Metro's ventilation fans malfunctioned on the day of its recent fatal smoke incident, the National Transportation Safety Board has learned. Now the board is issuing new safety recommendations for the transit system.https://wamu.org/wp-content/uploads/2019/01/wamu-default-og-image.png1200630