Hazard symbol for WHMIS Class D-1 hazardous material: materials causing immediate and serious toxic effects
http://www.hc-sc.gc.ca/ewh-semt/pubs/occup-travail/ref_man/ref_manual_index-eng.php#cpr_sch_2-rpc_annexe_2-eng.php, Skull symbol from [1].
Created by user:Silsor in Inkscape.