A city in Texas has lifted a shelter-in-place order for residents after a temporary increase in sulfur dioxide emissions occurred at the Marathon Galveston Bay Refinery. Marathon Petroleum Corp. has confirmed that the emissions have returned to normal levels and that the operational issue causing the increase has been resolved.

According to an updated news alert on the city's website, the shelter-in-place order has been lifted, and all roadways in the affected area are now open. Multiple agencies conducted air monitoring throughout the city, and all readings are reported to be within normal limits. The situation continues to be closely monitored.

Marathon Petroleum Corp. initially issued a statement acknowledging the operational upset that led to the temporary increase in sulfur dioxide emissions. However, the company has now stated that emissions are back to normal levels, ensuring the safety of personnel and the public.

No injuries have been reported in connection with the incident. The affected area was defined as "the area south of FM-519 to the Texas City Y," with the impacted roads being loop 197, the 519 at the 149, and 4th Avenue South at loop 197.

Earlier, the city had advised residents in the affected area to remain indoors with all doors and windows closed and to turn off their heating or air conditioning until further notice. The city also barricaded several intersections, diverting traffic away from the area.

Air monitoring conducted in the community has not indicated any danger to life or health. The city continues to prioritize the safety of its residents and vows to monitor the situation closely.

Marathon Petroleum Corp. has expressed its commitment to resolving the issue promptly and ensuring the wellbeing of its personnel and the surrounding community.

As the city lifts the shelter-in-place order and emissions return to normal levels, residents can now resume their regular activities in the affected area.