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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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Trace Metal Monitoring

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Trace metal monitoring

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


Trace metal monitoring

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


S5a on the north side of wca1

S5A on the north side of WCA1


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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