A catastrophic chemical tank failure at a paper mill in Longview, Washington, on Tuesday resulted in 11 fatalities and released a toxic gas cloud, prompting widespread evacuations and a state of emergency. Emergency responders set up a triage center, and the mill was immediately shut down, as the Washington State Department of Labor and Industries and the U.S. Chemical Safety Board launched investigations, according to the source.

11 fatalities and a toxic gas cloud: what happened at the Longview mill

According to the report, the tank ruptured on Tuesday at the mill, which has been a major employer in the region for decades and operated since the early 20th century. A massive cloud of toxic gas was released, forcing nearby areas to be evacuated. Authorities confirmed 11 deaths on Wednesday, though the names of the victims have not been released pending notification of next of kin.

The mill’s immediate shutdown has halted operations indefinitely, and the governor declared a state of emergency to expedite recovery efforts. Federal assistance may also be forthcoming, as reported.

OSHA's prior safety violations at the mill come under scrutiny

The paper mill had a history of safety violations, according to OSHA records cited in the source, though previous issues had not resulted in fatalities. this pattern of non-compliance is now a central focus of the investigation, with officials from the Washington State Department of Labor and Industries already on site. As the source notes, the incident is one of the deadliest industrial accidents in Washington state history, amplifying scrutiny on regulatory oversight.

The vigil and the economic shock to Longview

Community members gathered for a vigil on Wednesday evening to honor the victims, many of whom were longtime employees. Local businesses and schools closed in solidarity, and a fund has been established to support the families of the deceased, according to the source. The mill provides hundreds of jobs, and its closure will have significant ripple effects on the local economy, leaving many residents uncertain about the future.

Support services have been made available for grieving families and displaced workers, as the tight-knit community of Longview grapples with the sudden loss.

Who are the 11 victims? The unanswered question of identities

The names of the deceased have not been released pending notification of next of kin, though friends and colleagues have begun sharing memories, describing them as hardworking and dedicated individuals, the report says. This lack of official identification leaves a void for the community, and the investigation will need to clarify exactly who was in the vicinity of the tank when it failed.. The source does not provide details on the victims' roles or ages, which remain open questions.

What the Chemical Safety Board investigation will target

The U.S . Chemical Safety Board has launched a separate investigation that may take moths to complete. According to the source, the probe will focus on the tank’s maintenance history, pressure readings, and any signs of corrosion or damage. Environmental agencies are also monitoring air quality levels to ensure there are no lingering health risks.

State and local officials, meanwhile, are calling for stricter regulations on chemical storage and handling, as the tragedy sparks a broader conversation about workplace safety in industrial facilities.