A qualitative field method for monitoring pesticides in the edge-of-field runoff.
A field method is described, which allows the qualitative estimation of pesticide contamination in the edge-of-field runoff. The method employs cheap and easy-to-use runoff sampling bottles, which were installed in an agricultural stream catchment over a period of three growing seasons. During this time 18 runoff events were detected, in nine of which insecticide contamination was measured (maximum concentrations: lindane 0.7 microgram l-1 and 12.7 micrograms kg-1, parathion 20 micrograms l-1 and 728 micrograms kg-1, fenvalerate 18.4 micrograms l-1 and 924 micrograms kg-1). These insecticides were detected mainly as particle-bound chemicals. On about 80% of the occasions the presence or absence of runoff measured in the field was in agreement with a simulation of runoff presence or absence using the runoff model KINEROS.
Schulz
R
R
Department of Limnology, Technical University Braunschweig. R.Schulz@tu-bs.de
Hauschild
M
M
Ebeling
M
M
Nanko-Drees
J
J
Wogram
J
J
Liess
M
M
D000383:Agriculture; D000818:Animals; D004784:Environmental Monitoring / Q000295:instrumentation / Q000379:methods*; D005618:Fresh Water / Q000032:analysis*; D001556:Hexachlorocyclohexane / Q000032:analysis; D007306:Insecticides / Q000032:analysis; D008962:Models, Theoretical; D009570:Nitriles; D010278:Parathion / Q000032:analysis; D010575:Pesticides / Q000032:analysis*; D011722:Pyrethrins / Q000032:analysis; D011891:Rain; D013557:Switzerland
D007306:Insecticides; D009570:Nitriles; D010575:Pesticides; D011722:Pyrethrins; D001556:Hexachlorocyclohexane; D010278:Parathion; C017690:fenvalerate