Full TGIF Record # 31066
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Web URL(s):http://www.tandfonline.com/doi/abs/10.1080/03601239209372764
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Author(s):Harris, S. A.; Solomon, K. R.
Author Affiliation:Canadian Centre for Toxicology, Guelph Ontario
Title:Human exposure to 2,4-D following controlled activities on recently sprayed turf
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B27, No. 1, 1992, p. 9-22.
# of Pages:14
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: 2,4-D; Chemical exposure; Chemical safety; Herbicide application; Pesticide application; Public health and safety legislation
Abstract/Contents:"Total body dose of 2,4-D was determined in 10 volunteers following exposure to sprayed turf 1 hour following application and in 10 volunteers exposed 24 hours following application. Each group of 10 volunteers was divided in half and five wore long pants, a short-sleeved shirt, socks and closed footwear. The other five wore shorts and a short-sleeved shirt and were barefoot. All volunteers were exposed to a 2 by 15 m area of turf for 1 hour during which they alternated between walking and sitting or lying on the turf surface for intervals of 5 minutes. Dislodgeable residues of 2,4-D taken during the exposure sessions showed a rapid decline from 1 hour following application (8%) to 24 hours following application (1%). No detectable residues were found in 4-day urine samples supplied by volunteers except for 3 people who were barefoot and wearing shorts and contacted the turf 1 hour following 2,4-D application. The highest dose was measured in a volunteer who removed his shirt for 30 minutes of the exposure session (426 [Mu]g). Exposure levels of the other two volunteers who wore the prescribed clothing were lower (153 to 103 [Mu]g). No detectable residues were found in urine samples supplied by volunteers exposed to sprayed turf 24 hours following application. These results indicate that at the doses measured, exposure to sprayed turf should present little risk in humans. However, people can reduce exposure to non-detectable levels by remaining off treated turf for a period of 24 hours or until after rainfall or irrigation so that dislodgeable residues and therefore potential exposure are essentially zero."
See Also:Other items relating to: 2, 4 - D in Turf
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Harris, S. A., and K. R. Solomon. 1992. Human exposure to 2,4-D following controlled activities on recently sprayed turf. J. Environ. Sci. Health. B27(1):p. 9-22.
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