USA – Shelter-in-place measures introduced following gas release at Lubrizol facility in Deer Park

Authorities in Deer Park and La Porte, Texas, issued shelter-in-place instructions on Tuesday evening following a reported hydrogen sulphide (H₂S) release at an industrial facility operated by Lubrizol.

According to the City of Deer Park, the precautionary measures came into effect at approximately 6:50 p.m., following notification from Harris County Public Health of a gas release at the site.

Lubrizol confirmed that an incident had occurred at its facility on Tidal Road during maintenance work involving a unit that was not in operation. Emergency crews were deployed to respond to the situation.

The incident also prompted precautionary action at neighbouring industrial facilities. PEMEX Deer Park implemented shelter-in-place measures for the eastern section of its site, citing the ongoing situation at the adjacent facility. The company activated a Community Awareness Emergency Response (CAER) notification to alert residents in the surrounding area and confirmed that its emergency response personnel were supporting Lubrizol’s response efforts.

The precautionary instructions were subsequently extended to La Porte, with Lubrizol confirming that a shelter-in-place order had been issued for the city. Local firefighters carried out atmospheric monitoring along the boundary between Deer Park and La Porte as officials continued to assess conditions.

Shell’s Deer Park chemicals facility also introduced shelter-in-place measures as a precautionary response to the incident.

As of Tuesday evening, authorities had not reported any injuries or confirmed wider impacts resulting from the release.

Residents in the affected areas were advised to stay inside, keep all windows and doors closed, and follow updates issued through official municipal communication channels until the restrictions were lifted.

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