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Investigating Fires Resulting from Marijuana Hash Oil (BHO)
Tuesday, April 25, 2023 (8:00am - 10:00am) (Ballroom 1)
An overview on how Butane Hash Oil (BHO) extraction causes fires and explosions, will be provided via lecture and PowerPoint presentation. I will examine the process of making BHO and common failures seen during the extraction process. Finally, I will provide direction on what evidence to look for during the scene examination.
Learning Objectives:
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The attendee will learn about why BHO extraction is become popular.
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The attendee will be able to identify the major components needed for the extraction process.
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The attendee will learn the difference between open and closed loop systems.
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The attendee will be able to identify common ignition sources that cause BHO related fires.
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The attendee will leave with a better understanding of BHO fires and explosions.

Jeff Hoyt
I started my fire career in 2002, is a firefighter in St. Louis, Michigan. In 2007, I was hired full-time at the Big Rapids Department of Public Safety before joining the Michigan State Police (MSP) in 2012. In 2017, I joined the MSP Fire Investigation Unit. As part of the unit, I am one of ten MSP investigators, who when requested will respond to conduct origin and cause investigations. I currently hold IAAI- CFI and NAFI-CFEI certifications. Additionally, I was named Michigan IAAI Fire Investigator of the Year in 2021. I currently reside in central Michigan.
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