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- W634549452 abstract "The use of MSMA as a grass control herbicide along Louisiana highway's rights-of-way is desirable because of its economic advantage in chemical mowing and Johnson grass control. Since MSMA contains arsenic, there has been some public concern over MSMA's possible adverse environmental and health effects due to the buildup of arsenic residues in soil, water and biota. The objective of this project was to obtain baseline arsenic residue data along the highway rights-of-way of five selected highways in Louisiana: LA 7/and US 171/Calcasieu Parish. In summary, 432 or 77.3% of all surface-soil samples collected contained from 0 to 50ppm of arsenic-residues while 127 or 22.7% contained over 50ppm. Most, 14 of 18, water samples contained arsenic residues below 50ppb which is the EPA Primary Drinking Water Standards. The background (baseline) arsenic-residue concentrations in in surface soil samples ranged from 3.72ppm to 13.9ppm of arsenic. The environmental and health risks due to the accumulation of arsenic residues in soil and water appear to be minimal. It was recommended that DOTD continue this monitoring program to maintain a current assessment of the environmental and health risks of MSMA application. (Author)" @default.
- W634549452 created "2016-06-24" @default.
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- W634549452 date "1984-06-01" @default.
- W634549452 modified "2023-09-23" @default.
- W634549452 title "ENVIRONMENTAL AND HEALTH EFFECTS OF MSMA APPLICATION ALONG LOUISIANA HIGHWAYS. EXECUTIVE SUMMARY" @default.
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