Determination of atrazine in rainfall and surface water by enzyme immunoassay
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Abstract
Rainwater and surface water from four sites in Germany (Bavaria and Lower Saxony) were analyzed for atrazine by enzyme immunoassay from June 1990 until October 1992. The limit of quantification of the immunoassay was 0.02 μg/L with a middle of the test at 0.2 μg/L. About 60 % of the samples contained measurable amounts of atrazine. Seasonal trends were observed, with the highest concentration in the summer months of up to 4 μg/L for rainwater and up to 15 μg/L for surface waters. The highest concentrations were found in agricultural areas, while in the investigated national parks up to 0.56 μg/L could be detected in rain water. This points to long-range atmospheric transport from agricultural areas to pristine national parks. Samples from forest stands usually showed higher atrazine concentrations than samples from open fields. Deposition rates of 10 – 50 μg/m2 · yr were observed in the national parks and 10–180 μg/m2 · yr at the agricultural sites. Comparison of results obtained by enzyme immunoassay and GC/MS showed a good correlation of r = 0.95.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determination of atrazine in rainfall and surface water by enzyme immunoassay |
| Series title | Environmental Science and Pollution Research |
| DOI | 10.1007/BF02986530 |
| Volume | 1 |
| Issue | 4 |
| Year Published | 1994 |
| Language | English |
| Publisher | Ecomed Publishers |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 9 p. |
| First page | 196 |
| Last page | 204 |
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