An explosion that destroyed a New York City home and killed a firefighter has drawn attention to marijuana-making methods that are legal in many US states — but can also be lethal.
A New York fire battalion chief died responding to the blast on Tuesday in a Bronx home that authorities say had been converted into an indoor marijuana farm.
They are investigating whether the alleged growers tampered with gas lines and mishandled other materials in ways that caused the explosion.
Photo:AP
Indoor marijuana farmers can create potential fire hazards by using natural gas, propane or butane to power carbon dioxide generators that make the plants grow. In recent years across the US, similar methods used to produce more potent marijuana extracts have resulted in explosions and other catastrophes.
Indoor gas use “is a standard way to grow marijuana,” said Michael O’Hare, a professor at the University of California in Berkeley who is an expert in cannabis cultivation. “If you raise the [carbon dioxide] level, it’ll grow faster.”
Some growers rely on propane or butane gas because using large amounts of metered gas from a utility could draw the attention of authorities, who might question why so much fuel is needed for a house of a certain size, O’Hare said.
In those conditions, a gas leak could spell disaster, he said.
An hour before the explosion at about 7:30am on Tuesday in the Bronx, dozens of nearby residents said they could smell gas wafting over the neighborhood.
The house had already been evacuated and fire personnel were on the scene when the blast sent debris flying, killing Chief Michael Fahy, a 17-year fire department veteran and father of three.
His funeral was held on Saturday.
Two suspects, Garivaldi Castillo and Julio Salcedo, were arrested and are being held on drug charges while authorities try to determine whether there is evidence that could result in more serious counts related to Fahy’s death.
Prosecutors said in court this week that the two-story Bronx property was full of combustible items related to the pot operation, including grow lamps and vats of liquid fertilizer. Windows were sealed and other areas covered with extra insulation to retain heat. Plants the size of “small trees” were growing in bedrooms on the upper floor.
A lawyer for the 32-year-old Castillo has questioned his connections to the house. Castillo has pleaded not guilty.
Salcedo, 34, was arraigned late on Friday, pleaded not guilty and was being held without bail.
Firefighters packed the courthouse where Salcedo was arraigned.
Earlier, as he walked into a Bronx precinct, some firefighters told him to “burn in hell,” the New York Daily News reported.
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