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Trace Metal Monitoring

Technical Oversight Committee Meeting March 2, 2010. Trace Metal Monitoring. Pete Rawlik Restoration Sciences Department SFWMD March 2, 2010. Trace Metal Monitoring. In January 2009, SFWMD asked the TOC to consider dropping the last of trace metal monitoring from the Settlement Agreement

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Trace Metal Monitoring

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  1. Technical Oversight Committee Meeting March 2, 2010 Trace Metal Monitoring Pete RawlikRestoration Sciences DepartmentSFWMD March 2, 2010

  2. Trace Metal Monitoring • In January 2009, SFWMD asked the TOC to consider dropping the last of trace metal monitoring from the Settlement Agreement • NSID1 and S5A • Cadmium (Cd), Copper (Cu) and Zinc (Zn) • The TOC • wanted more data on metals at NSID1 • approved dropping Cd and Zn from S5A • suggested Cu at S5A was a potential concern

  3. NSID1 on the eastern side of WCA2A

  4. Copper at S38B/NSID1 Copper (ug/L) All values below 5 ug/L MDL = 2 ug/L

  5. Zinc at S38B/NSID1 Zinc (ug/L) MDL = 4 ug/L

  6. Cadmium at S38B/NSID1 PQL = 1.2 ug/L Cadmium (ug/L) PQL = 0.4 ug/L MDL = 0.3 ug/L MDL = 0.1 ug/L

  7. S5A on the north side of WCA1

  8. Copper at S5A Copper (ug/L) All values below 10 ug/L Average =2.5 ug/L MDL = 2 ug/L

  9. Conclusions • There is little evidence to suggest a history of issues with trace metals at either S5A or NSID1/S38B.

  10. Request • Eliminate the monitoring of Cd, Cu, and Zn at NSID1 • Eliminate monitoring of Cu at S5A

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