| Pollutant: |
Mercury |
| Final Listing Decision: |
List on 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: |
List on 303(d) list (TMDL required list)(2010) |
| Revision Status |
Original |
| Sources: |
Source Unknown |
| Expected TMDL Completion Date: |
2019 |
| 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 decision has not changed. |
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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 19171, Mercury
|
Region 2 |
Pacific Ocean at Pillar Point |
|
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| LOE ID: |
353 |
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| Pollutant: |
Mercury |
| LOE Subgroup: |
Pollutant-Tissue |
| Matrix: |
Tissue |
| Fraction: |
Total |
| |
| Beneficial Use: |
Commercial or recreational collection of fish, shellfish, or organisms |
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| Number of Samples: |
5 |
| Number of Exceedances: |
3 |
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| Data and Information Type: |
Fish tissue analysis |
| Data Used to Assess Water Quality: |
Three out of 5 samples exceeded. Five filet composite samples were collected from the following species: brown rockfish, lingcod, rosethorn rockfish, black rockfish, and spotfin surfperch. Brown rockfish, rosethorn rockfish, and lingcod exceeded guideline (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: |
From the California Ocean Plan: The concentration of organic materials in fish, shellfish or other marine resources used for human consumption shall not bioaccumulate to levels that are harmful to human health (SWRCB, 2001). |
| Objective/Criterion Reference: |
Placeholder reference 2006 303(d) |
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| Evaluation Guideline: |
Mercury 0.3 ug/g (OEHHA Screening Value) (Brodberg & Pollock, 1999). |
| Guideline Reference: |
Placeholder reference 2006 303(d) |
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| Spatial Representation: |
One station was sampled: San Mateo Coast. |
| Temporal Representation: |
Samples were collected on May 9, 22 and 23, 2000. |
| Environmental Conditions: |
|
| QAPP Information: |
Data and Quality Assurance/Quality Control Report For Trace Metals - Coastal Fish Contaminant Project Year 2, 1999-2000. Department of Fish and Game. |
| QAPP Information Reference(s): |
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