Jump to main content or area navigation.

Contact Us

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

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Date Title / pdf File
03/01/01 2001 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 2001 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 (2-6)
Section2.pdf
    3 Comparison of Results from 2001 Sampling Events (3-1)
      3.1 Comparison of Water Levels (3-1)
      3.2 Comparison of Quarterly Analytical Results (3-2)
        3.2.1 TCE Concentrations (3-3)
        3.2.2 PCE Concentrations (3-4)
        3.2.3 Other VOCs (3-5)
        3.2.4 SVOCs and Perchlorate (3-6)
        3.2.5 Nitrate (3-7)
        3.2.6 Metals (3-7)
        3.2.7 Hexavalent Chromium (3-8)
        3.2.8 Other Analytical Parameters (3-8)
      3.3 Concentration Contour Maps (3-8)
        3.3.1 Interval Selection (3-8)
        3.3.2 Estimated Aerial Extent (3-9)
        3.3.3 Upper Interval (3-10)
        3.3.4 Lower Interval (3-11)
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: Quarterly 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 2001 (1-3)
      2-1 Groundwater Elevations, First, Second, Third, and Fourth Quarters 2001 Sampling Events (2-7)
      2-2 Final Field Measurements, First, Second, Third, and Fourth Quarters 2001 (2-12)
      2-3 Standards for Selected Organic Compounds, Metals, and Inorganic Compounds (2-20)
      2-4 Analytical Methods and Detection Limits for Groundwater Sample Parameters (2-22)
      2-5 Summary of TCE, PCE, and Nitrate First Quarter - 2001 (2-23)
      2-6 Summary of TCE, PCE, and Nitrate, Second Quarter - 2001 (2-25)
      2-7 Summary of TCE, PCE, and Nitrate, Third Quarter - 2001 (2-27)
      2-8 Summary of TCE, PCE, and Nitrate, Fourth Quarter - 2001 (2-29)
      2-9 General Water Chemistry-Fourth Quarter 2001 Sampling Event (2-32)
      2-10 Summary of Metals Exceeding MCLs - Fourth Quarter 2001 (2-35)
      2-11 Summary of Hexavalent Chromium, First , Second, Third, and Fourth Quarters 2001 (2-36)
      3-1 Maximum and Minimum Detected TCE Values, First Quarter - 2001 (3-13)
      3-2 Maximum and Minimum Detected TCE Values, Second Quarter - 2001 (3-17)
      3-3 Maximum and Minimum Detected TCE Values, Third Quarter - 2001 (3-21)
      3-4 Maximum and Minimum Detected TCE Values, Fourth Quarter - 2001 (3-25)
      3-5 Summary of TCE Values, First , Second, Third, and Fourth Quarters - 2001 (3-29)
      3-6 Maximum and Minimum Detected PCE Values, First Quarter - 2001 (3-33)
      3-7 Maximum and Minimum Detected PCE Values, Second Quarter - 2001 (3-37)
      3-8 Maximum and Minimum Detected PCE Values, Third Quarter - 2001 (3-41)
      3-9 Maximum and Minimum Detected PCE Values, Fourth Quarter - 2001 (3-45)
      3-10 Summary of PCE Values, First, Second, Third, and Fourth Quarters - 2001 (3-49)
      3-11 Summary of VOCs Exceeding MCLs, First Quarter - 2001 (3-53)
      3-12 Summary of VOCs Exceeding MCLs, Second Quarter - 2001 (3-55)
      3-13 Summary of VOCs Exceeding MCLs, Third Quarter - 2001 (3-56)
      3-14 Summary of VOCs Exceeding MCLs, Fourth Quarter - 2001 (3-58)
      3-15 Maximum and Minimum Detected Nitrate Values, First Quarter - 2001 (3-60)
      3-16 Maximum and Minimum Detected Nitrate Values, Second Quarter - 2001 (3-64)
      3-17 Maximum and Minimum Detected Nitrate Values, Third Quarter - 2001 (3-68)
      3-18 Maximum and Minimum Detected Nitrate Values, Fourth Quarter - 2001 (3-72)
      3-19 Summary of Nitrate Values, First, Second, Third, and Fourth Quarters - 2001 (3-76)
    Figures (Page)
      1-1 Site Location Map (1-6)
Figure1-1.pdf
      1-2 Location Map of RI Wells in San Fernando Valley Basin (1-7)
Figure1-2.pdf
      3-1 Hydrographs of RI Monitoring Wells (3-80)
Figure3-1.pdf
      3-2 Historical Chemical Concentration of TCE for RI Monitoring Wells (3-89)
Figure3-2.pdf
      3-3 Historical Chemical Concentration of PCE for RI Monitoring Wells (3-98)
Figure3-3.pdf
      3-4 Historical Chemical Concentration of Nitrate for RI Monitoring Wells (3-107)
Figure3-4.pdf
      3-5 Location of Wells used for Preparation of Plume Maps (3-116)
Figure3-5.pdf
      3-6 TCE Contamination in Shallow Zone in Fall 2001 (3-117)
Figure3-6.pdf
      3-7 PCE Contamination in Shallow Zone in Fall 2001 (3-118)
Figure3-7.pdf
      3-8 Nitrate Contamination in Shallow Zone in Fall 2001 (3-119)
Figure3-8.pdf
      3-9 TCE Contamination in Deeper Zone in Fall 2001 (3-120)
Figure3-9.pdf
      3-10 PCE Contamination in Deeper Zone in Fall 2001 (3-121)
Figure3-10.pdf
      3-11 Nitrate Contamination in Deeper Zone in Fall 2001 (3-122)
Figure3-11.pdf

Top of Page

Jump to main content.