||Effects of Ground ULV (Ultra-Low Volume) Applications of Fenthion on Estuarine Biota. 2. Analytical Methods and Results.
Moore, J. C. ;
Lores, E. M. ;
Clark, J. R. ;
Moody, P. ;
Knight, J. ;
||Environmental Research Lab., Gulf Breeze, FL.
Phosphorus organic compounds ;
Chemical analysis ;
Pesticide residues ;
Water pollution effects(Animals)
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Methods of analyses were validated for quantitating fenthion residues in samples from two salt marsh sites subjected to ground ultra-low volume sprays. Concentrations of these residues were followed from the water's surface, through the water column and onto the sediment. For all sprays, the highest concentration, detected in the upper portion of the water column, was 0.48 microgram/l and occurred within the first hour after spraying. Fenthion did not accumulate to a detectable level (0.010 microgram/g) in tissues of caged shrimp or fish.