Academic Credentials
  • M.S., Marine Environmental Sciences, State University of New York, Stony Brook, 1999
  • B.S., Zoology, University of Rhode Island, 1996
Licenses & Certifications
  • 40-Hour Hazardous Waste Operation and Emergency Response Certification (HAZWOPER)
  • 8-Hour HAZWOPER Managers and Supervisor Training
Professional Honors
  • Recipient of the first Evan Liblit Memorial Scholarship
  • Phi Beta Kappa Academic Honor Society
  • Alpha Award for Zoological Research
  • Recipient of the New England Environmental Business Council (EBC) Nicholas Humber Environmental-Energy Award for Outstanding Collaboration for work on the Comprehensive Remediation and Transformation of the Contaminated Shaffer Paper Site into the Senator Joseph Finnegan Park in Port Norfolk. June 2018.
Professional Affiliations
  • Society of Environmental Toxicology and Chemistry—SETAC
  • North Atlantic Chapter of SETAC
  • New England Environmental Business Council

Ms. McArdle is an ecotoxicologist who specializes in applying risk assessment and causal analysis approaches to assess adverse effects to organisms exposed to chemicals and other stressors. She works on a variety of projects, including site assessments, product assessments, and natural resource damage assessments. 

Ms. McArdle conducts environmental assessments of pesticides and veterinary and human pharmaceuticals. She also provides ecological risk assessment expertise to Superfund, RCRA, and state-led hazardous waste site projects across the country for industrial, commercial, and government clients. Many of her projects include critical analysis of toxicity test data and field survey assessment data, development of toxicity reference values for aquatic life and wildlife, and development of wildlife exposure models.

With over 20 years of experience in conducting ecological risk assessments, Ms. McArdle has worked on sites with heavy metals, PCBs, PAHs, dioxin, pesticides, and petroleum. These sites have included a variety of wetland, upland, freshwater and marine habitats. She has developed and executed numerous sampling and analysis plans to support ecological risk assessments. Following completion of ecological risk assessments, Ms. McArdle has provided her clients with risk-based approaches for site remediation that have met regulatory standards and approval.

Ms. McArdle has published scientific articles on aquatic toxicology, ecological risk assessment, endocrine disruption in fish, ecological effects of nanomaterials, as well as development of clean-up goals for contaminated sediments. Ms. McArdle has served as a board member of the North Atlantic Chapter of Society of Environmental Toxicology and Chemistry (SETAC). She also has served as the chairperson of the Education Committee of the Licensed Site Professionals Association (LSPA). She is currently serving on SETAC's Pharmaceuticals Interest Group.