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Expert Bio

Primary Area of Expertise

Environmental Forensics

Expert Witness Profile

Randy Horsak is President of 3TM Consulting, LLC. He has more than 45 years experience in environmental engineering and forensic science, including: environmental due diligence, site assessment and site characterization, contamination assessment, oil and gas field legacy site assessment, multi-media environmental sampling and analysis (ambient air, household dust, water and wastewater, soil, sediment, and groundwater), chemical fingerprinting, fate and transport analysis, exposure and risk assessments, health and safety, risk analysis, remediation and restoration of contaminated properties, and engineering cost estimates. Primary chemicals of concern have included petroleum hydrocarbons, toxic metals, radionuclides, Dioxins, PCBs, arsenic, carbon black, particulate matter, pesticides and herbicides, creosote and wood preservatives, biological pathogens, and conventional pollutants.