Cost: $34.99 for 30 day (24 x 7) access to this online course. The Extinguishing Agents I Course covers, Foam: Low Expansion, Film Forming, High Expansion, General Applications of Foam, Dry Chemical: High Volatility Fuels, Restaurant Applications, Indoor Applications, Outdoor Applications, Clean Agents: (CO2, Halon 1301, FM-200, FE-13, Inergen), Indoor Use Only, Delicate, Sensitive, High-Value, and/or Rare Materials, Industrial Applications (CO2). The course starts with a pre-test and concludes with test questions to help you practice and prepare for NICET testing of work element 53005 Extinguishing Agent I.