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High Flow Studies (WY 2005)

High Flow Studies (WY 2005). Lester McKee Sources Pathways and Loadings Workgroup. Sacramento River at Mallard Island (River Loadings – RMP Funding). Chipps Island. Sampling Location. Sacramento River. Pittsburg Marina. Sampling (10 samples collected over 4 days). 3 samples. 2 samples.

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High Flow Studies (WY 2005)

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  1. High Flow Studies (WY 2005) Lester McKee Sources Pathways and Loadings Workgroup

  2. Sacramento River at Mallard Island(River Loadings – RMP Funding) Chipps Island Sampling Location Sacramento River Pittsburg Marina

  3. Sampling(10 samples collected over 4 days) 3 samples 2 samples

  4. Parameters and Preliminary Results Do not cite or quote • Total Hg • PCBs • PAHs • PBDEs • Total Se: 0.443 – 0.661 µg/L • SSC • DOC • POC

  5. Guadalupe River at San Jose(Small Tributaries Loading) • Funding • USACE ($100 k) • RMP ($50 k) • SCVURPPP ($23 k)

  6. Sampling~40 samples so far (6 for Bed Load Hg)

  7. Parameters and Preliminary ResultsDo not cite or quote • Total Hg 73 – 1,496 ng/L • Dissolved Hg 4.2 – 5.4 ng/L (0-6% of total Hg) • Total MeHg 0.09 – 1.89 ng/L • Dissolved MeHg 0.05 – 0.11 ng/L • Particulate MeHg 1.6 – 9.9 ng/g (est) • PCBs • PBDEs • SSC • DOC • POC

  8. Coyote Creek at Highway 237Funding RB2 – Lab only $13 k)

  9. Sampling(n = 7)

  10. Parameters • Total Hg • PCBs • PBDEs • SSC • DOC • POC

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