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Pesticides Detected in the Walla Walla Drainage, April and June 1996.

Publication number Date Published
97-e03February 1997
VIEW NOW Pesticides Detected in the Walla Walla Drainage, April and June 1996. (Number of pages: 30) (Publication Size: 868KB)

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Author(s) Johnson, A.
Description Pesticides were analyzed in water and sediment samples collected from six Walla Walla River tributaries and the lower main stem during April 22-23 and June 18-19, 1996. Water samples were analyzed for 162 pesticides, or breakdown products, that include most of the compounds currently or historically used in Washington. Sediment analysis was limited to the eight chlorinated pesticides for which the Walla Walla River is listed as water quality limited (303d). Results showed relatively few instances where pesticides were a significant water quality concern.
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Keywords Walla Walla, bill, results, creek, pesticides, river, order, water, water quality, sediment, herbicide, drainage, DDT
WATERSHED Water Resource Inventory Area 32 Walla Walla