Academic Credentials
  • M.P.H., Environmental Health Sciences, University of California, Berkeley, 2008
  • B.S., Biology (Ecology and Evolution), University of California, Santa Cruz, 2004

Mr. Weidling applies his regulatory and risk assessment experience to the area of chemical regulation in the U.S. under FIFRA. He has routinely worked with US EPA pesticide regulations in support of product registrations, label / formulation amendments, and notifications. 

Mr. Weidling has coordinated work related to registration review data call-ins, including placement and submission of studies, preparing waiver rationales, and communicating with the EPA. He has worked with FIFRA regulations and registrations of conventional agricultural chemicals, plant growth regulators, animal health pesticides, antimicrobials, biochemical pesticides, and microbial pesticides. Mr. Weidling has experience researching pesticide product information, toxicity, and environmental data using NPIRS, EPA regulatory documents, and various databases.

From 2005 to 2010, Mr. Weidling worked for Exponent's Health Sciences Center for Exposure Assessment and Dose Reconstruction. In this capacity he performed exposure assessments to chemicals and other agents, often under California's Proposition 65, where his duties included data collection, analysis, and report writing. Mr. Weidling worked on a variety of projects researching and interpreting scientific literature on potential health effects associated with asbestos, heavy metals, industrial chemicals, and pharmaceuticals. He has analyzed soil and groundwater environmental data in support of numerous human health risk assessments.