Specializes in:


Valerie Tillinghast is a Licensed Site Professional (LSP) and environmental chemist. She specializes in analytical issues, data quality and usability assessment, risk characterization and MCP compliance. She has extensive experience on projects ranging from initial site investigations to Superfund sites.

In addition to her broad interests in environmental chemistry and quality assurance, she has developed expertise in the area of PCB assessment and risk characterization.


M.S. Analytical Chemistry, University of Connecticut, 1990
B.A. Chemistry and Biology, Brandeis University, 1983

O’Reilly, Talbot & Okun Staff