Training What we knew in 1942 – Chemical Warfare Agents by HazMatNation.com staff A staff member came across the ‘Handbook for Air Raid Wardens’ published by the Office of Civilian Defense in 1942 after a recent death in his family. We wanted to share some of the information found in a handbook that is over 70 years old. The handbook includes a chapter on ‘War […] Written by Phil Ambrose May 16, 2015February 4, 2024