Our Team
Michael Keefer
President
MSc, PAg
Michael is the president of Keefer Haz Mat Services and is a well-recognized environmental professional with a range of expertise including contaminated sites, reclamation and environmental assessments.
Roy Clough
Senior Hygienist
BSc, CIH, ROH
Roy is a certified hygienist with more than 40 years of experience working with the health and safety of workplaces. Roy has helped develop and update Codes of Practice for occupational industrial hygiene, developed and presented countless training courses on different occupational hygiene topics, presented seminars on report findings to plant workers, mentored junior hygienists and reviewed industrial hygiene reports.
Jessica Lowey
Vice President, Operations
MSc, PAg
Jessica is an environmental and soil scientist with more than 2-years of experience working directly with hazardous materials and occupational hygiene in BC. Jessica is a certified AHERA building inspector (CABI-16-021) and has completed the NIOSH 582 equivalent course in the Analysis of Asbestos Fibres Utilizing Phase Contrast Microscopy (PCM).
Jessica has also completed hundreds of site assessments ranging from pre-disturbance assessments, CSA-standard phase I environmental site assessments and detailed site assessments.
Colby Katzberg
Environmental Technologist
Dipl. Environ. Tech.
Colby is an environmental engineering technologist with field experience ranging from soil profiling, nuclear compaction testing, asphalt and concrete testing, including compliance with laboratory standards for a variety of testing protocols.
Colby is a certified AHERA building inspector (CABI-19-034) and has valuable knowledge about hazardous building materials and their safe handling and removal. Colby also experienced with confined space entry and the development of safe work procedures.