| Title |
Review of Sediment Quality Data for the Similkameen River |
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| Publication number |
Date Published |
| 00-03-027 | July 2000 |
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| VIEW NOW |
Review of Sediment Quality Data for the Similkameen River (Number of pages: 42) (Publication Size: 597KB)
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| Author(s) |
Johnson, A., and R. Plotnikoff |
| Description |
Chemical and biological data were reviewed from sediment samples collected at nine sites in the Similkameen River during 1995 - 1999. Except for arsenic, the level of chemical contamination is low. Arsenic concentrations have exceeded sediment quality guidelines in the Palmer Lake/Nighthawk area. Bioassays with Hyalella azteca and Microtox, however, have given inconsistent indications of toxicity. Limited benthic macroinvertebrate sampling also points to the slow-moving reach near Palmer Lake/ Nighthawk as potentially having a low-level metals contamination problem. This would be the area to focus on, if further sediment sampling were conducted. |
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| Contact |
EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov |
| Keywords |
bioassay, river, chemical, sediment, toxic, quality, lake, arsenic |
| WATERSHED |
Water Resource Inventory Area 49 Okanogan |
| DATA |
Environmental Information Management (EIM) #AJOH0018
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