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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

San Fernando Valley (All Areas)

Superfund Site

Technical Document

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Date Title / pdf File
08/01/03 2002 Groundwater Quality Monitoring Report
Contents
    Title Page
Title.pdfAcronyms.pdfContents.pdf
    Section (Page)
    1 Introduction (1-1)
      1.1 Setting (1-1)
      1.2 Background (1-2)
      1.3 Report Organization (1-2)
Section1.pdf
    2 2002 Quarterly Sampling Events (2-1)
      2.1 Sampling Activities (2-1)
        2.1.1 First Quarter (2-2)
        2.1.2 Second Quarter (2-2)
        2.1.3 Third Quarter (2-2)
        2.1.4 Fourth Quarter (2-3)
      2.2 Analytical Results (2-3)
        2.2.1 First Quarter (2-3)
        2.2.2 Second Quarter (2-4)
        2.2.3 Third Quarter (2-5)
        2.2.4 Fourth Quarter (2-5)
Section2.pdf
    3 Comparison of Results from 2002 Sampling Events (3-1)
      3.1 Comparison of Water Levels (3-1)
      3.2 Comparison of Quarterly Analytical Results (3-1)
        3.2.1 TCE Concentrations (3-2)
        3.2.2 PCE Concentrations (3-4)
        3.2.3 Other VOCs (3-4)
        3.2.4 SVOCs and Perchlorate (3-6)
        3.2.5 Nitrate (3-6)
        3.2.6 Metals (3-7)
        3.2.7 Hexavalent Chromium (3-7)
        3.2.8 Other Analytical Parameters (3-7)
      3.3 Concentration Contour Maps (3-7)
        3.3.1 Interval Selection (3-7)
        3.3.2 Estimated Aerial Extent (3-8)
        3.3.3 Upper Interval (3-9)
        3.3.4 Lower Interval (3-10)
Section3.pdf
    4 References (4-1)
Section4.pdf
        (Appendixes are not available for downloading)
        Appendix A: RI Monitoring Well Completion Data
        Appendix B: Rationale for Selection of Representative
        Monitoring Well Data
        Appendix C: RI Monitoring Well Submersible Pump Installation Data
        Appendix D: Chain-of-Custody Forms
        Appendix E: Summary of Detected
        Compounds
        Appendix F: Quality Assurance Sample Data
        Appendix G: TCE Contamination in Shallow Zone
        Appendix H: PCE Contamination in Shallow Zone
    Tables (Page)
      1-1 Wells Sampled, First, Second, Third, and Fourth Quarters 2002 (1-3)
ReadMe.doc
      2-1 Groundwater Elevations, First, Second, Third, and Fourth Quarters 2002 Sampling Events (2-7)
      2-2 Final Field Measurements, First, Second, Third, and Fourth Quarters 2002 (2-12)
      2-3 Standards for Selected Organic Compounds, Metals, and Inorganic Compounds (2-19)
      2-4 Analytical Methods and Detection Limits for Groundwater Sample Parameters (2-21)
      2-5 Summary of TCE, PCE, and Nitrate First Quarter - 2002 (2-22)
      2-6 Summary of TCE, PCE, and Nitrate, Second Quarter - 2002 (2-24)
      2-7 Summary of TCE, PCE, and Nitrate, Third Quarter - 2002 (2-26)
      2-8 Summary of TCE, PCE, and Nitrate, Fourth Quarter - 2002 (2-28)
      2-9 General Water Chemistry-Fourth Quarter 2002 Sampling Event (2-30)
      2-10 Summary of Metals Exceeding MCLs - Fourth Quarter 2002 (2-32)
      2-11 Summary of Hexavalent Chromium, First , Second, Third, and Fourth Quarters 2002 (2-33)
      3-1 Maximum and Minimum Detected TCE Values, First Quarter - 2002 (3-11)
      3-2 Maximum and Minimum Detected TCE Values, Second Quarter - 2002 (3-14)
      3-3 Maximum and Minimum Detected TCE Values, Third Quarter - 2002 (3-17)
      3-4 Maximum and Minimum Detected TCE Values, Fourth Quarter - 2002 (3-20)
      3-5 Summary of TCE Values, First , Second, Third, and Fourth Quarters - 2002 (3-23)
      3-6 Maximum and Minimum Detected PCE Values, First Quarter - 2002 (3-26)
      3-7 Maximum and Minimum Detected PCE Values, Second Quarter - 2002 (3-29)
      3-8 Maximum and Minimum Detected PCE Values, Third Quarter - 2002 (3-32)
      3-9 Maximum and Minimum Detected PCE Values, Fourth Quarter - 2002 (3-35)
      3-10 Summary of PCE Values, First, Second, Third, and Fourth Quarters - 2002 (3-38)
      3-11 Summary of VOCs Exceeding MCLs, First Quarter - 2002 (3-41)
      3-12 Summary of VOCs Exceeding MCLs, Second Quarter - 2002 (3-42)
      3-13 Summary of VOCs Exceeding MCLs, Third Quarter - 2002 (3-43)
      3-14 Summary of VOCs Exceeding MCLs, Fourth Quarter - 2002 (3-44)
      3-15 Maximum and Minimum Detected Nitrate Values, First Quarter - 2002 (3-45)
      3-16 Maximum and Minimum Detected Nitrate Values, Second Quarter - 2002 (3-48)
      3-17 Maximum and Minimum Detected Nitrate Values, Third Quarter - 2002 (3-51)
      3-18 Maximum and Minimum Detected Nitrate Values, Fourth Quarter - 2002 (3-54)
      3-19 Summary of Nitrate Values, First, Second, Third, and Fourth Quarters - 2002 (3-57)
    Figures (Page)
      1-1 Site Location Map (1-7)
Figure1-1.pdf
      1-2 Location Map of RI Wells in San Fernando Valley Basin (1-9)
Figure1-2.pdf
      3-1 Hydrographs of RI Monitoring Wells (3-61)
Figure3-1.pdf
      3-2 Historical Chemical Concentration of TCE for RI Monitoring Wells (3-79)
Figure3-2.pdf
      3-3 Historical Chemical Concentration of PCE for RI Monitoring Wells (3-97)
Figure3-3.pdf
      3-4 Historical Chemical Concentration of Nitrate for RI Monitoring Wells (3-115)
Figure3-4.pdf
      3-5 Location of Wells used for Preparation of Plume Maps (3-133)
Figure3-5.pdf
      3-6 TCE Contamination in Shallow Zone in 2002 (3-135)
Figure3-6.pdf
      3-7 PCE Contamination in Shallow Zone in 2002 (3-137)
Figure3-7.pdf
      3-8 Nitrate Contamination in Shallow Zone 2002 (3-139)
Figure3-8.pdf
      3-9 TCE Contamination in Deeper Zone in 2002 (3-141)
Figure3-9.pdf
      3-10 PCE Contamination in Deeper Zone in 2002 (3-143)
Figure3-10.pdf
      3-11 Nitrate Contamination in Deeper Zone in 2002 (3-145)
Figure3-11.pdf

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