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Environmental Monitoring and Assessment

, Volume 47, Issue 2, pp 175–195 | Cite as

a study of the temporal variability of atrazine in private well water. part i: study design, implementation, and database development

  • Matthew Lorber
  • Kent Johnson
  • Burton Kross
  • Paul Pinsky
  • Leon Burmeister
  • Michael Thurman
  • Amina Wilkins
  • George Hallberg
Article
  • 49 Downloads

Abstract

In 1988, the Iowa Department of Natural Resources, along withthe University of Iowa conducted the Statewide Rural WellWater Survey, commonly known as SWRL. A total of 686private rural drinking water wells was selected by use of aprobability sample and tested for pesticides and nitrates. Sixty-eight of these wells, the ’10% repeat‘ wells, were additionallysampled in October, 1990 and June, 1991. Starting inNovember, 1991, the University of Iowa, with sponsorshipfrom the United States Environmental Protection Agency,revisited these wells to begin a study of the temporalvariability of atrazine and nitrates in wells. Other wells, whichhad originally tested positive for atrazine in SWRL but werenot in the 10% repeat population, were added to the studypopulation. Temporal sampling for a year-long period beganin February of 1992 and concluded in January of 1993. Allwells were sampled monthly, one subset was sampled weekly,and a second subset was sampled for 14-day consecutiveperiods. Two unique aspects of this study were the use of animmunoassay technique to screen for triazines before gaschromatography/mass spectrometry (GC/MS) analysis andquantification of atrazine, and the use of well owners to samplethe wells. A total of 1771 samples from 83 wells are in thefinal data base for this study. This paper reviews the studydesign, the analytical methodologies, and development of thedata base. A companion paper (Pinsky et al., 1997) discussesthe analysis of the data from this survey.

atrazine nitrates temporal variability well water 

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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Matthew Lorber
    • 1
  • Kent Johnson
    • 2
  • Burton Kross
    • 3
  • Paul Pinsky
    • 1
  • Leon Burmeister
    • 3
  • Michael Thurman
    • 4
  • Amina Wilkins
    • 1
  • George Hallberg
    • 5
  1. 1.US Environmental Protection AgencyNational Center for Environmental AssessmentWashingtonU.S.A
  2. 2.Institute of Hydraulic ResearchUniversity of IowaIowa CityU.S.A
  3. 3.Institute for Rural and Environmental HealthUniversity of IowaIowa CityU.S.A
  4. 4.USGS WRDLawrenceU.S.A
  5. 5.University of Iowa Hygienic LaboratoryUniversity of IowaIowa CityU.S.A

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