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| Web URL(s): | http://archive.lib.msu.edu/tic/rpr/1998/61864,%20Cornell,%20Haith,%20Volatilization.PDF
Last checked: 10/22/2013
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Material Type: | Manuscript |
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| Monographic Author(s): | Haith, Douglas A.; DiSante, Cynthia J.; McDowell, Jennifer A. |
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| Author Affiliation: | Haith: Principal Investigator; and DiSante and McDowell: Undergraduate Research Assistant, Dept. of Agricultural & Biological Engineering, Cornell University, Ithaca, NY |
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| Monograph Title: | Development & Testing of Indices & Models of Pesticide Volatilization from Turfgrass: [1998 Annual Research Report], 1998. |
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| Publishing Information: | Ithaca, New York: Dept. of Agricultural & Biological Engineering, Cornell University |
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| # of Pages: | 6 |
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| Collation: | [1], 5 pp. |
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| Abstract/Contents: | "Goals: Develop and test concise indicators of volatilization hazard that can be used by turf managers to determine the likely degree of health hazard associated with pesticide applications.; Develop and test alternative models of turfgrass pesticide volatilization.; Progress: Mathematical models can potentially be used to estimate volatilization of chemicals applied to turf. However, the complexity and limited testing of volatilization models restrict their general applicability. An alternative procedure estimates concentrations using simple volatilization indicators which are determined from basic chemical properties and the temperature and wind speed at the application site. Using data from field studies for eight different turf pesticides, three different indicators were evaluated for their ability to predict vapor concentrations. Chemical vapor pressure was the simplest indicator considered, and it was 70% effective in predicting variations in vapor concentrations. The effectiveness increases to 90% when factors related to solubility, absorption and wind speed are added to produce the G/V indicator. We further tested the use of volatilization indicators by using them to classify the inhalation hazards associated with 37 different applications of the eight pesticides to grass. Health hazards were determined by comparing inhaled dose to the EPA's reference doses. Inhaled doses were computed using both measured vapor concentrations and concentrations determined from the indicators. As shown in Table 1, the volatilization indicators produced the same rankings of health hazards that were obtained from the measured concentrations. Although further testing is necessary, the research suggests that with a table of chemical properties and a weather forecast, it may be relatively easy to identify whether or not application of a pesticide to turf on a particular day may be hazardous to golfers or lawn users." |
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| Language: | English |
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| References: | 0 |
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| See Also: | See also related summary article "Development and testing of indices and models of pesticide volatilization from turfgrass" 1998 Turfgrass and Environmental Research Summary [USGA], 1998, p. 59, R=61864. R=61864 |
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| Note: | Also appears as pp. 577-582 in the USGA Turfgrass Research Committee Reporting Binders for 1998.
"1998 Progress Report to Green Section Research, U.S. Golf Association, Stillwater, OK"
"November 1, 1998"
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Last checked: 10/22/2013
Requires: PDF Reader |
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