The upperlimitofoperatingload of the fluidized bed is determinedby the basicload, stable combustiontemperatureof barks and the abilityof the attemperation system.
Instead, he found it had failed to operate at maximum allowable operating pressure--odd, given that this pressure is usually the upperlimit for safety and El Paso was under federal restrictions after an August 2000 pipeline explosion killed 12 campers in New Mexico.