Fire extinguisher CO types have the test information stamped on the cylinder, all other types get a sticker on the back of the cylinder. Once dry, the units are recharged. Unlike the UK, the US does not rebuild extinguishers and replace valves at specific intervals unless parts are found to be defective, with the exception of halon. Halon types are often given new o-rings and valve stems at every internal maintenance to minimize any leakage potential. OEM equipment must be used for replacement parts for the extinguisher to maintain its UL rating. If parts are unavailable, replacement is recommended, keep in mind
CO2 is Green CO2 is Green CO2 is Green is a non-profit organization supporting public policy on environmental issues. A main focus of the organization are federal proposals that may “interfere with natures dependence on carbon dioxide.” CO2 is Green does not view carbon dioxide as a pollutant and advocates for federal law and regulations to support this thinking. The CO2 is Green campaign was produced by H. Leighton Steward and Corbin Robertson. Steward retired in 2000, and was the vice chairman of Burlington Resources, a Houston-based oil and gas company bought by ConocoPhillips in 2006. Robertson, the CEO of Natural Resource Partners,