Technical Integrity / Collaboration / Exceptional Results

Mercury as a Global Pollutant—Integral to Present and Sponsor

Judi Durda and Todd MartinIntegral Vice President Judi Durda and Principal Todd Martin, P.E., will deliver platform presentations at the 13th International Conference on Mercury as a Global Pollutant, held on July 16–21, 2017, in Providence, Rhode Island.  Ms. Durda and Mr. Martin will also serve on a panel of instructors for “Assessment and Management of Hg-Contaminated Sites,” a workshop on Sunday, July 16, that will cover identification and characterization of potentially contaminated sites and development of conceptual site models of mercury fate and transport.  In addition, Integral is a Bronze Sponsor for the conference.  This year’s conference will explore mercury research and policy, including worldwide mercury management such as the Minamata Convention (a global treaty on mercury) and the Mercury and Air Toxics Rule in the U.S.

On Tuesday, July 18, Ms. Durda will present “The Role of Detritus in Defining Mercury Uptake in an Urban Estuary.”  Coauthors include fellow Integral staff Kenia Whitehead, Ph.D., and Mr. Martin, as well as colleague Peter Brussock of the ELM Group.  This presentation will examine the Berry’s Creek Study Area Superfund site, a 4.2 km2 tidal tributary to the Hackensack River in Bergen County, New Jersey, where mercury is among the chemicals of potential concern.  Ms. Durda will discuss the site investigation and the importance of sediment as the source of mercury for biological uptake.

Mr. Martin will present “Use of High-Frequency Optically-Based Measurements to Assess Mercury Cycling, Transport, and Fate in Contaminated Estuarine and Riverine Systems” on Wednesday, July 19.  Coauthored by Integral staff Grace Chang, Ph.D., Craig Jones, Ph.D., and Ms. Durda, this presentation will introduce the OPTically based In situ Characterization System (OPTICS), a monitoring tool that can be used to provide estimates of mercury and methylmercury concentrations at high frequency and over extended collection periods.  Using case studies, Mr. Martin will show how OPTICS monitoring supports cost-effective and efficient evaluation at estuarine and riverine sites.

A toxicologist and ecologist, Ms. Durda has extensive experience in the health and environmental science fields.  She specializes in using science and science-based strategies to address complex technical issues related to the manufacture, use, or disposal of chemicals, consumer products, pharmaceuticals, and hazardous and nonhazardous wastes.  Ms. Durda is a member of the conference’s Scientific Steering Committee, which consists of professionals with recognized expertise in mercury research and policy.

Mr. Martin is a professional engineer and a hydrogeochemist specializing in environmental engineering, the transport and fate of inorganic and organic chemicals in the environment, and remediation alternatives analysis.  He is adept in the application of geochemical and hydrologic models to assess water quality and quantity, and the implementation of bench- and pilot-scale studies to demonstrate remedial effectiveness.

For more information on these presentations and Integral’s related experience, contact Judi Durda at or Todd Martin at

For conference details, visit

Back to List