Evaluating approaches and technologies for monitoring organic contaminants in the aquatic environment, Ann Arbor, MI, July 21-23, 2006: workshop proceedings

The Alliance for Coastal Technologies (ACT) convened a workshop on Evaluating Approaches and Technologies for Monitoring Organic Contaminants in the Aquatic Environment in Ann Arbor, MI on July 21-23, 2006. The primary objectives of this workshop were to: 1) identify the priority management information needs relative to organic contaminant loading; 2) explore the most appropriate approaches to estimating mass loading; and 3) evaluate the current status of the sensor technology. To meet these objectives, a mixture of leading research scientists, resource managers, and industry representatives were brought together for a focused two-day workshop. The workshop featured four plenary talks followed by breakout sessions in which arranged groups of participants where charged to respond to a series of focused discussion questions. At present, there are major concerns about the inadequacies in approaches and technologies for quantifying mass emissions and detection of organic contaminants for protecting municipal water supplies and receiving waters. Managers use estimates of land-based contaminant loadings to rivers, lakes, and oceans to assess relative risk among various contaminant sources, determine compliance with regulatory standards, and define progress in source reduction. However, accurately quantifying contaminant loading remains a major challenge. Loading occurs over a range of hydrologic conditions, requiring measurement technologies that can accommodate a broad range of ambient conditions. In addition, in situ chemical sensors that provide a means for acquiring continuous concentration measurements are still under development, particularly for organic contaminants that typically occur at low concentrations. Better approaches and strategies for estimating contaminant loading, including evaluations of both sampling design and sensor technologies, need to be identified. The following general recommendations were made in an effort to advance future organic contaminant monitoring: 1. Improve the understanding of material balance in aquatic systems and the relationship between potential surrogate measures (e.g., DOC, chlorophyll, particle size distribution) and target constituents. 2. Develop continuous real-time sensors to be used by managers as screening measures and triggers for more intensive monitoring. 3. Pursue surrogate measures and indicators of organic pollutant contamination, such as CDOM, turbidity, or non-equilibrium partitioning. 4. Develop continuous field-deployable sensors for PCBs, PAHs, pyrethroids, and emerging contaminants of concern and develop strategies that couple sampling approaches with tools that incorporate sensor synergy (i.e., measure appropriate surrogates along with the dissolved organics to allow full mass emission estimation).[PDF contains 20 pages]

Anna Popovitch,In the Shadow of Althusser: Culture and Politics in Late Twentieth-Century Argentina, Ann Arbor, umi Dissertation Publishing, 2011, 238 páginas

Fil: Starcenbaum, Marcelo. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

Anna Popovitch,In the Shadow of Althusser: Culture and Politics in Late Twentieth-Century Argentina, Ann Arbor, umi Dissertation Publishing, 2011, 238 páginas

Fil: Starcenbaum, Marcelo. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

Students at University of Michigan do research in the electrical engineering laboratory in the College of Engineering

Shown recording data are, left to right, John P. Vajda, Milwaukee WI, and James A. Lovell, Grand Rapids, MI. graduate students in electrical engineering.

The Detroit Observatory of the University of Michigan

Richard Bull, architect. Known at various times as Detroit Observatory, Campus Observatory, Old Observatory. Original image in color

John F. Kennedy on the Michigan Union steps--Peace Corps speech

On verso: John F. Kennedy proposing the Peace Corps during the presidential campaign speech at 2 a.m. Oct. 14, 1960, on the steps of the Michigan Union at the University of Michigan (Daybook, image #58)

University of Michigan

Campus viewed from the northwest, with Haven Hall and University Hall in foreground. Publication information: [Chicago, Ill.] : Everts & Stewart, 1874.

University of Michigan, 1856

Engraving, 19 x 19 cm. Original painting by J.F. Cropsey dated 1856. Publication information: New York : R. Leggett, 1856

University of Michigan Class of 1889

On verso: Taken Saturday A.M.; May 11, 1889; Property of Minnie H. Newby. Randall, Photographer ... Fine Art Goods (?) 30 E. Huron St. Ann Arbor, Mich. Additional documentation (re: names and provenance) available in folder

University of Michigan

Campus view from the northeast after oil painting by J.F. Cropsey utilized as letterhead

University of Michigan Observatory

Richard Bull, architect. Known at various times as Detroit Observatory, Campus Observatory, Old Observatory. Observatory from northwest with pine trees and summer garden. On verso: A.L. Colton, Photographer, Ann Arbor, Michigan. Views of the State University a Specialty.