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United States Department of Agriculture

Agricultural Research Service

Research Project: Investigating the Environmental Chemistry Fate and Transport of Agrochemicals and Other Pollutants


2010 Annual Report

1a. Objectives (from AD-416)
Determine the dominant chemical and physical processes controlling the fate of agriculturally relevant chemicals in the environment using measurements of fundamental chemical properties, field collection to measure ambient pollutant levels, and improvement of existing environmental fate models as a means to develop new management practices.

1b. Approach (from AD-416)
This project will build on existing cooperative research projects with the University of Maryland Department of Civil and Environmental Engineering. Through our combined efforts, we will build and carry out research on three major projects. The first will involve studies of manure byproducts, their mitigation and fate, focusing initially on veterinary wastes, including anti-microbials; the second will be to determine the movement and impact of atmospherically transported chemicals and odoriferous compounds on the environment and the third will be to investigate the environmental fate of other personal care products that occur in urban and agricultural products. This work will include laboratory studies of fundamental chemical and physical properties, controlled laboratory studies to measure degradation rates and partition coefficients under environmentally relevant conditions, small-scale and large-scale field measurements of ambient pollutant concentrations, and utilization of these data in predictive modeling efforts and development of predictive models.

3. Progress Report
As part of this cooperative agreement, the Principal Investigator and collaborators at the Agricultural Research Service have cooperated in three main trusts of research with partial funds from ARS and co-PI projects through the Maryland Water Resources Research Center and the DC-Water and Sewer Authority. One of the main trusts of this cooperative agreement funded through the Agricultural Research Service, was to continue our research to assess the influence of animal farm operations on water and air quality. We have studied the effect of poultry houses on water quality parameters in the Choptank watershed and we are developing fourier transforms infrared (FTIR) methodologies to characterize air borne particles, especially in elucidating atmospheric half life and transport. In our cooperation with DC-WASA, we have continued the work the work on polybrominated biphenyl ethers (PBDEs) and extending the work on Triclosan and Triclocarban, two antibacterial agents found in commercial and household products. In addition, with the cooperation of an ARS scientist, USGS and USEPA, the work has continued to determine the presence of alkyl phenols and antibacterial chemicals in fish and bird samples. All of this research has involved the PI, a University of Maryland research faculty member, three ARS researchers and a series of graduate and undergraduate students. Progress on this project was accomplished through regular meetings, email and phone conversations.

4. Accomplishments

Last Modified: 06/26/2017
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