Occurrence of pesticides in rain and air in urban and agricultural areas of Mississippi, April-September 1995
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Abstract
In April 1995, the US Geological Survey began a study to determine the occurrence and temporal distribution of 49 pesticides and pesticide metabolites in air and rain samples from an urban and an agricultural sampling site in Mississippi. The study was a joint effort between the National Water-Quality Assessment and the Toxic Substances Programs and was part of a larger study examining the occurrence and temporal distribution of pesticides in air and rain in the Mississippi River basin. Concurrent high-volume air and wet-only deposition samples were collected weekly. The air samplers consisted of a glass-fiber filter to collect particles and tandem polyurethane foam plugs to collect gas-phase pesticides. Every rain and air sample collected from the urban and agricultural sites had detectable levels of multiple pesticides. The magnitude of the total concentration was 5-10 times higher at the agricultural site as compared to the urban site. The pesticide with the highest concentration in rain at both sites was methyl parathion. The pesticide with the highest concentration in the air samples from the agricultural site was also methyl parathion, but from the urban site the highest concentration was diazinon followed closely by chlorpyrifos. More than two decades since p,p'-DDT was banned from use in the United States, p,p'-DDE, a metabolite of p,p'-DDT, was detected in every air sample collected from the agricultural site and in more than half of the air samples from the urban site.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Occurrence of pesticides in rain and air in urban and agricultural areas of Mississippi, April-September 1995 |
| Series title | Science of Total Environment |
| DOI | 10.1016/S0048-9697(99)00545-8 |
| Volume | 248 |
| Issue | 2-3 |
| Year Published | 2000 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | National Water Quality Laboratory, Toxic Substances Hydrology Program |
| Description | 14 p. |
| First page | 227 |
| Last page | 240 |
| Country | United States |
| State | Mississippi |
| Google Analytic Metrics | Metrics page |