BHO, or butane hash oil, is a cannabis concentrate that’s made through using butane to dissolve and isolate the substances within the plant’s resinous trichomes. To remove the trace amounts of ...

A seized butane recovery tank, left, and a large extraction tank, right, used in closed loop systems to extract THC, the main psychoactive ingredient found in marijuana, also known as hash oil, or ...

The hash from the days of old is less prevalent in the American market, replaced by modern iterations such as butane hash oil (BHO) and live rosin.

Multiple explosions and a fire ripped through an illegal butane hash oil operation near Lowell on Thursday, according to the Lane County Sheriff’s Office.

Emergency crews responded Thursday to reports of multiple explosions at a property that was allegedly being used as a butane hash oil processing site.

Hash oil is created when marijuana is heated in a pressurized container to extract the THC. It is collected in a glass container and heated again to remove butane fuel. "Because butane gas is ...

Deputies said they discovered 60 to 80 pounds of sale-ready butane hash oil, more than 4,000 pounds of weed and 700 mushroom grow bags.

Butane is extremely flammable, and Portland Fire & Rescue officials said there have been “numerous” fires or explosions due to illegal production of butane hash oil in the city.