(Right) Robin Embry was sampling the atmosphere inside the boiler before team members made entry. This will occur before and during any confined space rescue attempt. The entry team will also have a monitor constantly checking the air in their possession. The monitors will check for LEL (Lower Explosive Limit, propane, methane, unburned hydrocarbons, etc), CO (Carbon Monoxide), H2S (Hydrogen Sulfide) and O2. Both too high and too low O2 levels are a cause for concern; (Left) (L-R) Josiah Montgomery, Ray Bloch (Observer from Fresno County, CA SAR), Robin Embry, Rick Stephens, Nancy Kaschmitter and IFG plant engineer Kevin Dahler.
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For 360 days of the year, this approximate five-story structure reaches temperatures 1,500 to 1,900 degrees Fahrenheit, using hog fuel to boil water into steam to operate lumber kilns and heat plant facilities during the winter.
September 20, 2017 6 a.m. read more..