Portable Extinguishers and Fire Suppression Inspection Conduct annual inspection on all extinguishers throughout location as required per NFPA10. Ansul R102 6 Gallon In Hood up above: Conduct semi-annual inspection of all kitchen hood fire suppression systems throughout location as required per NFPA17A96 Ansul R102 9 Gallon Right Side of Hood: Semi Annual Kitchen Suppression System Inspection