div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: storagegoogleapiscom · US DOT Hazmat Certification Class Certificate of Completion to: Patrick Sliwinski HAZMAT refresher training is required within 3 years after todays src=https:reader036vdocumentsmxreader036viewer20220815175fdad6f40cfb9b1e8c6a9f01html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv