Dustin Critchfield, CIRO, is an experienced ammonia technician currently working at Dot Foods since August 2019. Prior to this role, Dustin served as an ammonia refrigeration technician at Burris Logistics from June 2012 to July 2019, and worked in ammonia operations at Castle & Cooke Cold Storage from March 2011 to May 2012. Dustin's career began at Castle & Cooke Cold Storage in September 2009 as a battery technician, progressing to building maintenance within nine months. Dustin holds multiple certifications from the Industrial Refrigeration Technical College, including CIRO, Operator 3, and Operator 2, as well as the CARO Certification from RETA and Operator I from the Garden City Ammonia Program.