Lieutenant Y received a call from the local fire captain who told him that an explosion had occurred at a nearby chemical company and a building was on fire. He also said that an orange cloud of smoke was heading toward the facility. Lieutenant Y implamented a facility lockdown to ensure all inmates were indoors. Following emergency procedures, he prepared for an evacuation. A few hours later, the captain informed the lieutenant the fire had been extinguished.

Based ONLY on the paragraph above, which one of the underlined words contains a grammar or spelling error?