Title | Surface Water Monitoring Program for Pesticides in Salmon-Bearing Streams: DH-81 and Grab Sample Comparison Study |
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Surface Water Monitoring Program for Pesticides in Salmon-Bearing Streams: DH-81 and Grab Sample Comparison Study (Number of pages: 12) (Publication Size: 366KB)
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Author(s) | Sargeant, D. | ||||
Description | Ecology’s standard operating procedure for sampling of pesticides in water calls for the use of a U.S. Geological Survey DH-81 depth-integrating sampler in water between one and four feet deep. In 2011, a side-by-side comparison study of two sampling methods was conducted to evaluate the need to collect depth-integrated samples. The two methods were (1) DH-81 depth-integrating sampler and (2) grab sampling using a handheld sample jar. Results showed no significant difference between the two sampling methods for the three sites sampled. Recommendations for these sites include using grab sampling technique for sampling water depths of one to four feet deep. |
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Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
WATERSHED | Water Resource Inventory Areas (WRIA 03,WRIA 37) |
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DATA | Environmental Information Management (EIM) #DSAR0008 |
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RELATED PUBLICATIONS | Title:
Addendum 4 to Quality Assurance Project Plan: Washington State Surface Water Monitoring Program for Pesticides in Salmonid Habitat for Two Index Watersheds. |
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