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Title

Pesticide Residues in the East Chehalis Surficial Aquifer/Pesticides in Ground Water-Report No. 5

 
Publication number Date Published
94-26January 1994
VIEW NOW Pesticide Residues in the East Chehalis Surficial Aquifer/Pesticides in Ground Water-Report No. 5 (Number of pages: 23) (Publication Size: 989KB)




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Author(s) Larson, A.
Description Eleven wells near Chehalis, Washington, were sampled in March 1993 for 123 pesticides and nitrate+nitrite as nitrogen. Field measurements of water temperature, pH, and specific conductance were also made. Four pesticides were detected in the initial samples; atrazine, simazine, diuron, and dichlobenil. One or more of these chemicals were detected in three wells, however concentrations were below health related levels set by the EPA.
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Keywords Chehalis River, Chehalis, specific conductance, drinking water, nitrogen, report, pesticides, wells, temperature, water, chemical, pesticide, pH, nitrate, nitrite, groundwater, ground water, aquifer
WATERSHED Water Resource Inventory Area 23 Upper Chehalis
DATA Environmental Information Management (EIM) #E CHEHAL