| Pollutant: |
Mercury |
| Final Listing Decision: |
Do Not List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: |
Do Not List on 303(d) list (TMDL required list)(2010) |
| Revision Status |
Original |
| Impairment from Pollutant or Pollution: |
Pollutant |
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| Regional Board Conclusion: |
Region 2 data was not included in the 2012 Integrated Report so all decisions are carried over from the 2010 listing cycle. |
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| Regional Board Decision Recommendation: |
No new data were assessed for 2012. The Regional Board will update this decision when new data and information become available and are assessed. |
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| State Board Staff Review of Regional Board Conclusion and Recommendation: |
|
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| State Board Decision Recommendation: |
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board. |
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Line of Evidence (LOE) for Decision ID 19157, Mercury
|
Region 2 |
Hill Slough |
|
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| LOE ID: |
1829 |
| |
| Pollutant: |
Mercury |
| LOE Subgroup: |
Pollutant-Tissue |
| Matrix: |
Tissue |
| Fraction: |
Total |
| |
| Beneficial Use: |
Commercial or recreational collection of fish, shellfish, or organisms |
| |
| Number of Samples: |
1 |
| Number of Exceedances: |
1 |
| |
| Data and Information Type: |
Fish tissue analysis |
| Data Used to Assess Water Quality: |
Two samples were collected on the same day at the same location (hence they are considered one sample). Thus, 1 out of 1 sample exceeded. Two filet individual samples of striped bass were collected in 1997 (TSMP, 2002). |
| Data Reference: |
Placeholder reference 2006 303(d) |
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| SWAMP Data: |
Non-SWAMP |
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| Water Quality Objective/Criterion: |
San Francisco Bay RWQCB Basin Plan: Many pollutants can accumulate on particles, in sediment, or bioaccumulate in fish and other aquatic organisms. Controllable water quality factors shall not cause a detrimental increase in concentrations of toxic substances found in bottom sediments or aquatic life. Effects on aquatic organisms, wildlife, and human health will be considered. |
| Objective/Criterion Reference: |
Placeholder reference 2006 303(d) |
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| Evaluation Guideline: |
OEHHA Screening Value 0.3 ug/g (Brodberg and Pollock, 1999). |
| Guideline Reference: |
Placeholder reference 2006 303(d) |
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| Spatial Representation: |
One station located upstream of McCoy Ditch near Suisun City. |
| Temporal Representation: |
Samples were collected 2/27/97. |
| Environmental Conditions: |
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| QAPP Information: |
Environmental Chemistry Quality Assurance and Data Report for the Toxic Substances Monitoring Program,1996 to 2000. Department of Fish and Game. |
| QAPP Information Reference(s): |
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