This GAWDA Safety Alert is issued to inform GAWDA members of potential contamination of gas cylinders resulting from the aftermath of the recent Hurricanes. This alert applies to medical oxygen cylinders caught in flood situations. This alert was originally issued in November 2012 in response to Hurricane Sandy and again in 2017 (Hurricanes Harvey and Irma). GAWDA Safety Alert (11 Sep 2018) Hurricanes and floods