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Zone 4 Line A Rand Eads RiverMetrics LLC 503-435-7516 Sources Pathways and Loadings Workgroup December 12,

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Presentation on theme: "Zone 4 Line A Rand Eads RiverMetrics LLC 503-435-7516 Sources Pathways and Loadings Workgroup December 12,"— Presentation transcript:

1 Zone 4 Line A Rand Eads RiverMetrics LLC Sources Pathways and Loadings Workgroup December 12, 2007 Item #3a

2 Location – Cabot Blvd, Hayward Item #3a

3 Zone 4 Line A Instrumentation Campbell Data logger TTS Software ISCO Pumping Sampler Boom Housing Turbidity Sensor Stage Sensor Rain Gage Solar Panel

4 Sampling Summary HY07 11/10/06 – 02/06/07 10-min. records 02/06/07 – 04/30/07 5-min. records Season rainfall inches Max stage 3.02 ft., Max Q 308 cfs 21 storms identified 120 SSC samples collected, 84 analyzed Highest est. SSC = 3,463 mg/L, highest measured SSC = 2,744 mg/L Item #3a

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11 Storm 4 Item #3a

12 Storm 4 Item #3a

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15 Storm 20 Item #3a

16 Storm 20 Item #3a

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