| September 16, 2025 | PFAS Transport, Fate, and Remediation in Soil, Surface Water, and Groundwater: Understanding and Managing Per- and Polyfluoroalkyl Substances Including PFOA and PFOS Course - Live Online Training | 
            
              
                | July 24, 2025 | Chemistry Refresher for Environmental Professionals Training Course - Live Online Training | 
            
              
                | June 04, 2025 | Principles of Contaminant Transport and Fate in Soil and Groundwater Training Course: A Focus on the Behavior of Petroleum, Chlorinated Solvents, and Metals - Live Online Training | 
            
              
                | April 22, 2025 | Chemistry Refresher for Environmental Professionals Training Course - Montana DEQ | 
            
              
                | December 10, 2024 | PFAS Transport, Fate, and Remediation in Soil, Surface Water, and Groundwater: Understanding and Managing Per- and Polyfluoroalkyl Substances Including PFOA and PFOS Course - Live Online Training | 
            
              
                | October 01, 2024 | Stormwater Pollutant Chemistry, Monitoring, and BMP Effectiveness Training Course - Live Online Training | 
            
              
                | January 30, 2024 | Petroleum Remediation Principles and Technologies for Soil, Vapor, and Groundwater Training Course - Missouri DNR | 
            
              
                | December 05, 2023 | PFAS Transport, Fate, and Remediation in Soil, Surface Water, and Groundwater: Understanding and Managing Per- and Polyfluoroalkyl Substances Including PFOA and PFOS Course - Live Online Training | 
            
              
                | November 14, 2023 | Stormwater Pollutant Chemistry, Monitoring, and BMP Effectiveness Training Course - Live Online Training | 
            
              
                | June 27, 2019 | Stormwater BMP Performance and Optimization: A Focus on BMP Performance Studies, Design, Operation, and Maintenance - Austin, TX | 
            
              
                | June 25, 2019 | Chlorinated Hydrocarbon Remediation Principles and Technologies for Soil, Vapor, and Groundwater - Austin, TX | 
            
              
                | June 22, 2017 | Metal Attenuation in Soil and Groundwater: Applying the Six  Scenarios Approach to Inorganic Contaminated Sites (U.S. DOE 2011) Training Course  - Austin, TX | 
            
              
                | June 20, 2017 | Principles of Contaminant Transport and Fate in Soil and Groundwater Training: A Focus on Petroleum, Chlorinated Solvents, and Metals - Austin, TX | 
            
              
                | March 17, 2016 | Metal Attenuation in Soil and Groundwater Course: Applying the Six  Scenarios Approach to Inorganic Attenuation (U.S. DOE 2011) Training Course  - Virginia Dept. of Environmental Quality, Richmond, VA | 
            
              
                | February 25, 2016 | Metal Attenuation in Soil and Groundwater Course: Applying the Six  Scenarios Approach to Inorganic Attenuation (U.S. DOE 2011) Training Course  - Austin, TX | 
            
              
                | February 23, 2016 | Stormwater Pollutant Chemistry, Monitoring, and BMP Effectiveness Training Course - Austin, TX | 
            
              
                | March 26, 2014 | Stormwater Chemistry: Principles and Applications to Storm Water Treatment and Management - Missouri DNR Office, Jefferson, MO | 
            
              
                | January 15, 2014 | Stormwater Chemistry: Principles and Applications to Storm Water Treatment and Management, Austin, Texas, January 15 - 16, 2014 | 
            
              
                | September 24, 2013 | Stormwater Chemistry: Principles and Applications to Storm Water Management, Austin, Texas, September 24 - 25, 2013 | 
            
              
                | August 27, 2013 | Stormwater Chemistry: Principles and Applications to Storm Water Treatment and Management, Franklin, TN |