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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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Technical Oversight Committee Meeting

March 2, 2010

Trace Metal Monitoring

Pete RawlikRestoration Sciences DepartmentSFWMD

March 2, 2010


Trace metal monitoring
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


NSID1 on the eastern side of WCA2A


Copper at s38b nsid1
Copper at S38B/NSID1

Copper (ug/L)

All values below 5 ug/L

MDL = 2 ug/L


Zinc at s38b nsid1
Zinc at S38B/NSID1

Zinc (ug/L)

MDL = 4 ug/L


Cadmium at s38b nsid1
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



Copper at s5a
Copper at S5A

Copper (ug/L)

All values below 10 ug/L

Average =2.5 ug/L

MDL = 2 ug/L


Conclusions
Conclusions

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


Request
Request

  • Eliminate the monitoring of Cd, Cu, and Zn at NSID1

  • Eliminate monitoring of Cu at S5A


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