Sheetflow Water Quality Monitoring Device: Results of Nine Month Field Testing

by Frank Graziano,
Stuart Stein,
Patricia Cazenas,
Kenneth Young,



Document Type: Proceeding Paper

Part of: WRPMD'99: Preparing for the 21st Century

Abstract: (No paper) The objective of this 30 month research project was to develop a sheetflow sampler for sampling highway runoff. The specific goals of this Small Business Innovation Research (SBIR) project, sponsored by the Federal Highway Administration (FHWA), was to develop a small, inexpensive, simple, effective sheetflow sampler to aid transportation officials in meeting their regulatory requirements. The sampler is made entirely of plastic, requires no calibration, and is entirely passive. The SBIR project consists of three phases. In Phase I of the project, the technical feasibility of the sampler was demonstrated, extensive laboratory testing was conducted to perfect the design, and limited field testing of prototypes was performed. Phase II, which is currently underway, includes design refinements, the development of the injection molds for commercial production, and extensive field testing. Phase III is commercialization of the sampler. The field testing program includes the installation of approximately 18 samplers throughout varying highway environments in Virginia, Maryland, and California. Stormwater samples will be collected and analyzed for various highway pollutants over a period of 9 months. Features that will be demonstrated include ease of installation and use, integrity of analytical samples, and the ability to estimate rainfall amounts based on the volume of the captured sample.

Subject Headings: Field tests | Water quality | Highways and roads | Federal government | Laboratory tests | Plastics | Runoff | Innovation | Small business | North America | United States | Maryland | Virginia | California

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