Six people die from toxic hydrogen sulfide gas at Colorado dairy farm

The six individuals who died on a Colorado dairy farm in August had been uncovered to poisonous hydrogen sulfide fuel, authorities stated Thursday, citing autopsies and toxicology studies on the deceased.

In response to the Occupational Security and Well being Administration (OSHA), publicity to hydrogen sulfide fuel at “very excessive concentrations can rapidly result in demise.”

The post-mortem studies offered no details about the circumstances of the deaths.

Hydrogen sulfide is colorless, however has a sulfurous odor, much like rotten eggs. OSHA warns that those that inhaled sufficient hydrogen sulfide to turn out to be unconscious however survive should still undergo long-term well being results reminiscent of complications and poor consideration spans.

SIX DEAD IN DAIRY ACCIDENT IN RURAL COLORADO PLAINS, OSHA INVESTIGATES

An indication stands at Prospect Ranch outdoors Prospect Valley Dairy east of Keenesburg, Colorado, on August 21, 2025. (Chris Bolin/Denver Put up by way of AP, File)

The deceased have since been recognized as Ricardo Gomez Galvan, Noe Montañez Casañas, Carlos Espinoza Prado, Jorge Sanchez Pena, Alejandro Espinoza Cruz and Oscar Espinoza Leos, who was solely 17 years previous on the time of his demise. Cruz was the daddy of Leos and Prado. The lads had been additionally associated to Pena by marriage, in line with Weld County Chief Deputy Coroner Jolene Weiner.

The Prospect Ranch dairy the place the six folks died was in a rural space close to Keenesburg, Colorado, lower than 40 miles northeast of Denver.

When the deaths had been reported in August, authorities rapidly dominated that fuel publicity was the probably perpetrator. It was then as much as the researchers to find out which kinds of gases may need performed a task of their deaths.

“We’re investigating these deaths because the attainable results of fuel publicity in a confined area.” Weiner said at the time.

Six staff had been killed in an accident at a Colorado dairy farm in August. (iStock)

BIOFUELS EXPLOSION IN THE MIDWEST, BUILDING FALL LEAVES 3 DEAD, INCLUDING 2 CHILDREN

In late August, the our bodies of six folks – since recognized as 5 males and a young person – had been found after an obvious accident. Officers with the Southeast Weld Fireplace Safety District stated crews had been dispatched to a confined area rescue, the place the our bodies had been discovered.

The deaths shocked the group, which rapidly mobilized to assist the surviving households of the deceased by organizing fundraising occasions reminiscent of dances and automobile washes. A number of church buildings additionally organized commemorative occasions.

Dairy cattle feed on a farm on March 31, 2017, close to Vado, New Mexico. (Rodrigo Abd, file/AP photograph)

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“Individuals are in shock. Everybody within the ranching and dairy group is aware of it is laborious work and laborious work and accidents occur,” stated the Rev. Thomas Kuffel, a priest at Catholic church buildings together with Holy Household in Keenesburg. “However that is very unusual for them, as a result of accidents often contain one or two folks.”

Fox Information Digital reached out to OSHA for remark, however a message indicated they might not be capable of reply throughout the federal government shutdown.

The Related Press contributed to this report.