Ryan Holem is a project manager highly-experienced in water quality-related issues. Mr. Holem has significant field experience including performing aquatic and terrestrial fish and wildlife surveys (e.g., Threatened and Endangered species, mussels, herpetological) and in the collection of samples (fish, mammals, invertebrates, water, soil/sediment, etc.) for contaminant analysis.

He has field and laboratory-based toxicological experience with Per- and Polyfluoroalkyl Substances (PFAS) (e.g., PFOS), chlorinated compounds (e.g., dioxins, PCBs), metals, and nutrients. Mr. Holem has planned and implemented several large-scale, multi-year field investigations focused on evaluating contaminants in fish, wildlife, and other biota and the attainment of aquatic life uses designated by USEPA or other regulatory bodies. Mr. Holem has authored and collaborated on peer-reviewed literature and has presented to stakeholders such as the USEPA, various state regulators (e.g., EGLE, MPCA, MDHHS) and the general public.

Mr. Holem is very experienced on methodology and criteria related to fish and wildlife consumption advisories and has significant experience conducting water quality-related field studies in and around mining operations.