1.0ESNA-SOAhttps://esnasoa.it/en/sgiadminhttps://esnasoa.it/en/author/sgiadmin/rich600338<blockquote class="wp-embedded-content" data-secret="d7R7bhraVu"><a href="https://esnasoa.it/en/what-is-soa-certification/quality-certification/">Quality certification</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://esnasoa.it/en/what-is-soa-certification/quality-certification/embed/#?secret=d7R7bhraVu" width="600" height="338" title="“Quality certification” — ESNA-SOA" data-secret="d7R7bhraVu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://esnasoa.it/wp-includes/js/wp-embed.min.js </script> Quality certification SOAs are entrusted with the task of certifying the existence, for subjects qualified for the execution of public works, of quality system certification conforming with the European standard UNI EN ISO 9001 and with the national regulations in force, issued by accredited bodies in accordance with the European standard UNI CEI EN 17020; ... Read morehttps://esnasoa.it/wp-content/uploads/2021/06/contenuti_certificati_qualita.png