Draft 2008 California 303(d)/305(b) Integrated Report

Supporting Information

Regional Board 4 - Los Angeles Region

Water Body Name: Los Angeles Harbor - Cabrillo Marina
Water Body ID: CAB4051200020050207104954
Water Body Type: Bay & Harbor
 
DECISION ID
6007
 
Pollutant: Sediment Toxicity
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)(2006)
Revision Status Revised
Impairment from Pollutant or Pollution: Pollutant
 
Weight of Evidence: This pollutant is being considered for placement on the section 303(d) list under section 3.6 of the Listing Policy. Under section 3.6 At least two lines of evidence are necessary to assess listing status. One line of evidence must exhibit significant toxicity. The other line of evidence must establish a connection with water or sediment concentrations of pollutant(s). Water body segements may also be placed on the section 303(d) list for toxicity alone.

Two line of evidence is available in the administrative record to assess this pollutant.

Based on the readily available data and information, the weight of evidence indicates that there is insufficient information to justify placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category.

This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. One of one samples exceeded the were deemed either moderately toxic and this sample size is insufficient to determine with the power and confidence of the Listing Policy if standards are not met. A minimum of two samples is needed for application of table 3.1.
4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
 
RWQCB Board Decision / Staff Recommendation: After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
 
SWRCB Board Decision / Staff Recommendation:
 
USEPA Decision:
 
 
Lines of Evidence (LOEs) for Decision ID 6007
 
LOE ID: 153
 
Pollutant: Sediment Toxicity
LOE Subgroup: Toxicity
Matrix: Not Specified
Fraction: None
 
Beneficial Use: Marine Habitat
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: Not Specified
Data Used to Assess Water Quality: After review of the data from the Bay Protection and Toxic Cleanup Program and the data in the Contaminated Sediments Task Force Database, no toxicity measurements have been made in any portion of the Cabrillo Marina (Anderson, et al., 1998).
Data Reference: Placeholder reference 2006 303(d)
 
Water Quality Objective/Criterion: Basin Plan: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
Objective/Criterion Reference: Placeholder reference 2006 303(d)
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation:
Temporal Representation:
Environmental Conditions:
QAPP Information: QA Info Missing
QAPP Information Reference(s):
 
LOE ID: 28698
 
Pollutant: Sediment Toxicity
LOE Subgroup: Toxicity
Matrix: Sediment
Fraction: None
 
Beneficial Use: Marine Habitat
Aquatic Life Use: Preservation of Rare & Endangered Species
 
Number of Samples: 1
Number of Exceedances: 1
 
Data and Information Type: Toxicity testing of sediments
Data Used to Assess Water Quality: One of one sediment samples were deemed either moderately toxic.
Data Reference: Southern California Bight 2003 Regional Marine Monitoring Survey Data
 
Water Quality Objective/Criterion: The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Objective/Criterion Reference: Water Quality Control Plan Los Angeles Region R4 Basin Plan
  Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009
 
Evaluation Guideline: Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
Guideline Reference: Southern California Bight 1998 Regional Monitoring Program. Volume IV.
 
Spatial Representation: One station was monitored in the Los Angeles/Long Beach Inner Harbor area which include the following station 4138 (Lat: 33.7226847331, Long: -118.27960612).
Temporal Representation: Composite surface sediment samples were taken on 07/14/2003.
Environmental Conditions:
QAPP Information: Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
QAPP Information Reference(s): Southern California Bight 2003 Regional Marine Monitoring Survey (Bight 03) Quality Assurance Manual
 
DECISION ID
16615
 
Pollutant: Benzo(a)pyrene (PAHs)
Final Listing Decision: List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision: New Decision
Revision Status Revised
Sources: Atmospheric Deposition | Nonpoint Source | Surface Runoff | Urban Runoff/Storm Sewers
Expected TMDL Completion Date: 2021
Impairment from Pollutant or Pollution: Pollutant
 
Weight of Evidence: This pollutant is being considered for placement on the section 303(d) list under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.

Four lines of evidence are available in the administrative record to assess this pollutant.

Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category.

This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. Five of 26 samples exceed the exceeded the probable effects level for benzo[a]pyrene in marine sediment and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy.
4. One of one sediment samples exhibited toxicity based on the 90th percentile minimum significant difference value or were deemed moderately or highly toxic and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy.
5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are met.
 
RWQCB Board Decision / Staff Recommendation: After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.
 
SWRCB Board Decision / Staff Recommendation:
 
USEPA Decision:
 
 
Lines of Evidence (LOEs) for Decision ID 16615
 
LOE ID: 28696
 
Pollutant: Benzo(a)pyrene (PAHs)
LOE Subgroup: Pollutant-Sediment
Matrix: Sediment
Fraction: Total
 
Beneficial Use: Marine Habitat
Aquatic Life Use: Preservation of Rare & Endangered Species
 
Number of Samples: 25
Number of Exceedances: 4
 
Data and Information Type: Chemical monitoring of sediments
Data Used to Assess Water Quality: Four out of 25 samples exceeded the probable effects level for benzo[a]pyrene in marine sediment.
Data Reference: Southern California Bight 2003 Regional Marine Monitoring Survey Data
  Contaminated Sediments Task Force Sediment Chemistry and Toxicity data for Los Angeles Harbor - Cabrillo Marina. 1999-2003.
 
Water Quality Objective/Criterion: The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Objective/Criterion Reference: Water Quality Control Plan Los Angeles Region R4 Basin Plan
  Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009
 
Evaluation Guideline: Macdonald et al. lists a probable effects level of 763.22 ng/g dry weight for benzo[a]pyrene.
Guideline Reference: Development and evaluation of sediment quality guidelines for Florida coastal waters. Ecotoxicology 5: 253-278
 
Spatial Representation: A total of 25 stations were monitored in the Los Angeles/Long Beach Inner Harbor area.
Temporal Representation: Composite surface sediment samples were taken and analyzed during spring/summer/fall of 1992-98 and 2003.
Environmental Conditions:
QAPP Information: Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
QAPP Information Reference(s): Bay Protection and Toxic Cleanup Program QAPP. (BPTCP). Sacramento, CA: State Water Resources Control Board
  Southern California Bight 2003 Regional Marine Monitoring Survey (Bight 03) Quality Assurance Manual
  Southern California Bight 1998 Regional Marine Monitoring Survey (Bight 98) Quality Assurance Manual
 
LOE ID: 153
 
Pollutant: Sediment Toxicity
LOE Subgroup: Toxicity
Matrix: Not Specified
Fraction: None
 
Beneficial Use: Marine Habitat
 
Number of Samples: 0
Number of Exceedances: 0
 
Data and Information Type: Not Specified
Data Used to Assess Water Quality: After review of the data from the Bay Protection and Toxic Cleanup Program and the data in the Contaminated Sediments Task Force Database, no toxicity measurements have been made in any portion of the Cabrillo Marina (Anderson, et al., 1998).
Data Reference: Placeholder reference 2006 303(d)
 
Water Quality Objective/Criterion: Basin Plan: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
Objective/Criterion Reference: Placeholder reference 2006 303(d)
 
Evaluation Guideline:
Guideline Reference:
 
Spatial Representation:
Temporal Representation:
Environmental Conditions:
QAPP Information: QA Info Missing
QAPP Information Reference(s):
 
LOE ID: 28698
 
Pollutant: Sediment Toxicity
LOE Subgroup: Toxicity
Matrix: Sediment
Fraction: None
 
Beneficial Use: Marine Habitat
Aquatic Life Use: Preservation of Rare & Endangered Species
 
Number of Samples: 1
Number of Exceedances: 1
 
Data and Information Type: Toxicity testing of sediments
Data Used to Assess Water Quality: One of one sediment samples were deemed either moderately toxic.
Data Reference: Southern California Bight 2003 Regional Marine Monitoring Survey Data
 
Water Quality Objective/Criterion: The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Objective/Criterion Reference: Water Quality Control Plan Los Angeles Region R4 Basin Plan
  Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009
 
Evaluation Guideline: Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
Guideline Reference: Southern California Bight 1998 Regional Monitoring Program. Volume IV.
 
Spatial Representation: One station was monitored in the Los Angeles/Long Beach Inner Harbor area which include the following station 4138 (Lat: 33.7226847331, Long: -118.27960612).
Temporal Representation: Composite surface sediment samples were taken on 07/14/2003.
Environmental Conditions:
QAPP Information: Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
QAPP Information Reference(s): Southern California Bight 2003 Regional Marine Monitoring Survey (Bight 03) Quality Assurance Manual
 
LOE ID: 28697
 
Pollutant: Benzo(a)pyrene (PAHs)
LOE Subgroup: Pollutant-Sediment
Matrix: Sediment
Fraction: Total
 
Beneficial Use: Marine Habitat
Aquatic Life Use: Preservation of Rare & Endangered Species
 
Number of Samples: 1
Number of Exceedances: 1
 
Data and Information Type: Chemical monitoring of sediments
Data Used to Assess Water Quality: One out of one samples exceeded the probable effects level for benzo[a]pyrene in marine sediment.
Data Reference: Port of Los Angeles and Port of Long Beach sediment and overlaying and pore water data.
 
Water Quality Objective/Criterion: The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Objective/Criterion Reference: Water Quality Control Plan Los Angeles Region R4 Basin Plan
  Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009
 
Evaluation Guideline: Macdonald et al. lists a probable effects level of 763.22 ng/g dry weight for benzo[a]pyrene.
Guideline Reference: Development and evaluation of sediment quality guidelines for Florida coastal waters. Ecotoxicology 5: 253-278
 
Spatial Representation: One station was monitored in the Los Angeles Harbor Cabrillo Marina area.
Temporal Representation: A composite surface sediment samples were collected in fall 2006.
Environmental Conditions:
QAPP Information: Data was collected in compliance with the sampling and monitoring procedures detailed in Draft Sampling and Analysis Plan for Characterization of Sediment Contaminant Flux for the Inner Harbor and Outer Harbor Waterbodies to Support Sediment TMDL Implementation.
QAPP Information Reference(s): Sampling and Analysis Plan for Characterization of Sediment Contaminant Flux for the Inner Harbor and Outer Harbor Waterbodies to Support Sediment TMDL Implementation. Prepared for the Port of Los Angeles and Port of Long Beach.