Charles Schaefer
Affiliation
CDM Smith
Biography
Dr. Charles Schaefer is the Director of CDM Smith’s Research & Testing Laboratory in Bellevue, WA. He received his PhD in chemical & biochemical engineering from Rutgers University, and has over 25 years of experience in the fate, transport, and treatment of organic contaminants in groundwater, soil, wastewater, and biosolids. Dr. Schaefer has served as a principal or co-principal investigator for several research projects funded through the US Department of Defense and the Water Research Foundation, and has served as the technical lead on several site investigation and remediation efforts.
Removal of Per- and Polyfluoroalkyl Substances from Wastewater via Aerosol Capture
Dung Nguyen; Charles Schaefer & John Stults
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I1.: Ex Situ PFAS Water Treatment Technologies (Platform)
AbstractColumn Testing to Assess PFAS Removal Using Various Treatment Media: Lessons Learned and Practical Engineering Considerations
Dung Nguyen & Charles Schaefer
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I1.: Ex Situ PFAS Water Treatment Technologies (Platform)
AbstractRecent Advancements in Mechanistic Understandings of PFAS Fate and Transport in the Vadose Zone
John Stults; Charles Schaefer; Tamzen Macbeth; Christopher Higgins; Tissa Illangasekare & Cooper Rockwell
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I4.: PFAS Fate and Transport Properties (Platform)
AbstractField Validation of a Modified HYDRUS Model for Simulating PFAS Leaching in the Vadose Zone
Jeff Silva; Mitch Olson; Fritz Krembs; Jiri Simunek; John McCray & Charles Schaefer
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I4.: PFAS Fate and Transport Properties (Platform)
AbstractBench-Scale Testing of a Novel Soil PFAS Treatment Train for Informed Remedial Planning and Decision-Making
Heather Lanza; Dung Nguyen; Charles Schaefer; Jeffrey Bamer & Hunter Anderson
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I9.: Ex Situ PFAS Treatment: Soils/Solids and Other Waste Streams (Platform)
Abstract(Group 2, Poster Board #87) Exploring Biostimulation of (ital)Acidimicrobium sp. Strain A6 in Selected PFAS-Impacted Sediments for PFAS Degradation
Peter Jaffe; Shan Huang; Matthew Sima; Jinhee Park; Chiara Smorada & Charles Schaefer
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: E7.: PFAS and Bugs: The Search Continues (Poster)
Abstract(Group 2, Poster Board #238) Validation of a Cell-Based Screening Model for Assessing PFAS Mass Flux from the Vadose Zone to Groundwater
John Stults; Charles Schaefer; Tamzen Macbeth & Dung Nguyen
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Publication Year: 2024
Part of: I4.: PFAS Fate and Transport Properties (Poster)
AbstractManaging PFAS Discharges from Wastewater Treatment Plants
Charles Schaefer; Dung Nguyen & Eden Novak
Publication Year: 2025
AbstractBench-Scale Testing Colloidal Activated Carbon (CAC) Amendments for PFAS Immobilization under Realistic Site Conditions
John Stults; Charles Schaefer; Bridget Ulrich; Elizabeth Ziegelmeyer & Amber McRae
Publication Year: 2025
Part of: A4.: Activated Carbon-Based PFAS Treatment Technologies (Platforms)
Abstract