Levels of the Organophosphorus Pesticide Diazinon in the Chollas Creek Watershed, San Diego CA, since Its Phase-Out in 2004

@inproceedings{Watanabe2008LevelsOT,
  title={Levels of the Organophosphorus Pesticide Diazinon in the Chollas Creek Watershed, San Diego CA, since Its Phase-Out in 2004},
  author={Kayo Watanabe and Karen Franz and Richard M. Gersberg},
  year={2008}
}
Abstract In 2004, the organophosphorus pesticide, diazinon, was phased-out for all residential uses in the United States. The objective of this study was to determine the temporal trend of diazinon levels in the Chollas Creek, CA watershed since the phase-out of this pesticide. Stormwater samples from Chollas Creek were collected during seven storm events in 2006–2007. The median diazinon level for all samples was 0.13 µg/L. Statistical analysis using the Kruskal-Wallis test revealed no… CONTINUE READING