top of page

74   ITC

International Training Conference & Expo



North Carolina

April 23-28 2023


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:

  1. The attendee will learn about why BHO extraction is become popular.

  2. The attendee will be able to identify the major components needed for the extraction process.

  3. The attendee will learn the difference between open and closed loop systems.

  4. The attendee will be able to identify common ignition sources that cause BHO related fires.

  5. 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.

bottom of page