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vs. The Insurance Company of the State of Pennsylvania Theodore V. - PowerPoint PPT Presentation

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County of San Bernardino vs. The Insurance Company of the State of Pennsylvania Theodore V. Hromadka, II Ph.D., Ph.D., Ph.D., P.E., P.H. Location of the Mid-Valley Sanitary Landfill Mid-Valley Sanitary Landfill Location of the Mid-Valley

  1. County of San Bernardino vs. The Insurance Company of the State of Pennsylvania

  2. Theodore V. Hromadka, II Ph.D., Ph.D., Ph.D., P.E., P.H.

  3. Location of the Mid-Valley Sanitary Landfill Mid-Valley Sanitary Landfill

  4. Location of the Mid-Valley Sanitary Landfill

  5. Summit Ave Unit 5 Unit 3 Unit 2 Sierra Ave Locust Ave Unit 1 Unit 4 Alder Ave 210 FWY

  6. Summit Ave Unit 2 Sierra Ave 83 acres Locust Ave Unit 1 60 acres Alder Ave 210 FWY

  7. Landfill Operations – Filling Different Locations 6” soil ! 10-15 ft ! ! ! ! CELL 1

  8. Landfill Operations – Filling Different Locations ! ! ! ! ! ! ! ! ! ! ! ! CELL 2

  9. Landfill Operations – Filling Different Locations ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! CELL 3

  10. Landfill Operations – Filling Different Locations ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! CELL 4

  11. Landfill Operations – Filling Different Locations ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! CELL 5

  12. Landfill Operations – Filling Different Locations ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! CELL 6

  13. Summit Ave Unit 2 Sierra Ave Locust Ave Unit 1 Alder Ave 210 FWY

  14. Location History (Unit 1) Undeveloped Property November 1955

  15. Location History (Unit 1) Landfill Operations begin in 1958 February 1958

  16. Location History (Unit 1) Vegetation/ top soil removal Trucks Vegetation/ Waste top soil Disposal removal October 1959

  17. Location History (Unit 1) Vegetation/ top soil removal Truck Waste Disposal April 1963

  18. Location History (Unit 1) Waste Disposal May 1965

  19. Location History (Unit 1) Vegetation/ top soil removal Trucks Waste Disposal April 1966

  20. Location History (Unit 1) Waste Disposal October 1969

  21. Location History (Unit 1) Waste Disposal Truck February 1970

  22. Location History (Unit 1) Trucks Landfill Operations- Waste Disposal October 1972

  23. Location History (Unit 1) Waste Disposal April 1974

  24. Summary of MVSL Operation History (Unit 1) 1974 Unit 1 1972 • Operations begin in 1970 southeast corner of Unit 1 1969 • Disposal took place in different locations at 1967 different times 1966 1959 1963 1958

  25. Chemicals Of Concern Released From The MVSL VOCs (Volatile Organic Compounds) found in groundwater samples • Tetrachloroethylene (PCE) • Trichloroethylene (TCE) • 1,1 – Dichloroethylene (1,1 – DCE) • 1,2 – Dichloropropane (1,2 – DCP) • cis-1,2-Dichloroethene (cis-1,2-DCE) • Vinyl Chloride (VC)

  26. Question #1: 1. Was the contamination a result of a single, or multiple , releases?

  27. Groundwater Plumes F-1 Well Groundwater Flow Direction Unit 5 N Unit 3 RRM Unit Plant 2 Unit Unit 4 1 Unit 1 Plume Unit 2 Plume FWC F-10A FWC F-10B

  28. Well FWC-10A PCE Concentration (Unit 1) 25 20 PCE Concentration (ug/L) 15 10 PCE Concentration 5 0 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

  29. VOC Concentration Graph with No Release 3.0 2.5 2.0 Concentration 1.5 1.0 0.5 0.0 0 10 20 30 40 50 60 70 80 90 100 Time

  30. VOC Concentration Graph with Constant Release 3.0 2.5 2.0 Concentration 1.5 1.0 0.5 0.0 0 10 20 30 40 50 60 70 80 90 100 Time

  31. VOC Concentration Graph with Single Release Event 3.0 2.5 2.0 Concentration 1.5 1.0 0.5 0.0 0 10 20 30 40 50 60 70 80 90 100 Time

  32. Well FWC-10A PCE Concentration (Unit 1) 25 20 PCE Concentration (ug/L) 15 10 PCE Concentration 5 0 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

  33. What is a “Peak”? In general, a “peak” is any data point in a sequence where the value of that data point is larger than BOTH of the immediately adjacent points

  34. What is a “Peak”? In general, a “peak” is any data point in a sequence where the value of that data point is larger than BOTH of the immediately adjacent points

  35. Well FWC-10A Potential Release Events (Unit 1) 32 peaks identified as potential release events 25 20 PCE Concentration (ug/L) 15 10 5 0 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

  36. Well FWC-10A Distinct Release Events (Unit 1) 5 Peaks identified as distinct release events 25 20 PCE Concentration (ug/L) 15 10 Distinct Release Events 5 0 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

  37. Well FWC-10A Distinct Release Events (Unit 1) 5 Peaks identified as distinct release events 25 Cannot determine if 20 distinct release event due to large variability PCE Concentration (ug/L) of data 15 10 Distinct Release Events 5 0 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

  38. Well FWC-10B PCE Concentration (Unit 1) 25 20 PCE Concentration (ug/L) 15 10 PCE Concentration 5 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

  39. Well FWC-10B Potential Release Events (Unit 1) 62 peaks identified as potential release events 25 20 PCE Concentration (ug/L) 15 10 5 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

  40. Well FWC-10B Distinct Release Events (Unit 1) 7 Peaks Identified as distinct release events 25 20 PCE Concentration (ug/L) 15 Distinct Release Events 10 5 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

  41. PCE Concentration (ug/L) PCE Concentration (ug/L) PCE Concentration (ug/L) Comparing PCE readings between Wells FWC-10A and 10B 10 10 15 15 20 20 25 25 0 0 5 5 1984 1984 1985 1985 Well data measured beginning 1984 1986 1986 1995 measured beginning 10B Well data 1987 1987 1988 1988 1989 1989 1990 1990 1991 1991 1992 1992 1993 1993 1994 1994 1995 1995 1996 1996 1997 1997 10A 10B 1998 1998 1999 1999 2000 2000 2001 2001 2002 2002 2003 2003 2004 2004 Well data measured ceased 2000? 2005 2005 2006 2006 2007 2007 2008 2008 2009 2009 2010 2010 2011 2011 2012 2012 2013 2013 2014 2014

  42. Comparing PCE readings between Wells FWC-10A and 10B 25 25 20 20 3 10A 4 PCE Concentration (ug/L) PCE Concentration (ug/L) PCE Concentration (ug/L) 15 15 5 10 10 10B 2 6 5 5 1 7 8 0 0 1994 1994 1995 1995 1996 1996 1997 1997 1998 1998 1999 1999 2000 2000 2001 2001 2002 2002 2003 2003

  43. Comparing PCE readings between Wells FWC-10A and 10B 25 25 Potential release 20 20 3 10A 4 event not PCE Concentration (ug/L) supported by Well 10B PCE Concentration (ug/L) PCE Concentration (ug/L) Data 15 15 5 10 10 10B 2 6 5 5 1 7 8 0 0 1994 1994 1995 1995 1996 1996 1997 1997 1998 1998 1999 1999 2000 2000 2001 2001 2002 2002 2003 2003

  44. Unit 1 VOC Releases Well Well FWC-10A FWC-10B Vadose Zone Saturated Zone 3 4 ! ! 5 ! 2 6 1 ! ! ! 1982 1986 1990 1994 1998 2002 2006 2010 2014

  45. Chemical Fingerprinting A A C B C B Chemical A Chemical B Chemical C

  46. Radial (Star) Diagrams-Unit 1 Events PEAK 1 CALCIUM (0-120 mg/L) TRICHLOROETHYLENE CHLORIDE (0-3 ug/L) (0-15 mg/L) TETRACHLOROETHYLENE MAGNESIUM (0-30 ug/L) (0-15 mg/L) NITRATE (AS NO3) CHLOROMETHANE (0-30 mg/L) (0-6 ug/L) CHLOROFORM SODIUM (0-3 ug/L) (0-30 mg/L)

  47. Radial (Star) Diagrams-Unit 1 Events PEAK 2 CALCIUM (0-120 ug/L) TRICHLOROETHYLENE CHLORIDE (0-3 ug/L) (0-15 ug/L) TETRACHLOROETHYLENE MAGNESIUM (0-30 ug/L) (0-15 ug/L) NITRATE (AS NO3) CHLOROMETHANE (0-30 ug/L) (0-6 ug/L) CHLOROFORM SODIUM (0-3 ug/L) (0-30 ug/L)

  48. Radial (Star) Diagrams-Unit 1 Events PEAK 3 CALCIUM (0-120 mg/L) TRICHLOROETHYLENE CHLORIDE (0-3 ug/L) (0-15 mg/L) TETRACHLOROETHYLENE MAGNESIUM (0-30 ug/L) (0-15 mg/L) NITRATE (AS NO3) CHLOROMETHANE (0-30 mg/L) (0-6 ug/L) CHLOROFORM SODIUM (THM) (0-30 mg/L) (0-3 mg/L)

  49. Radial (Star) Diagrams-Unit 1 Events PEAK 4 CALCIUM (0-120 mg/L) TRICHLOROETHYLENE CHLORIDE (0-3 ug/L) (0-15 mg/L) TETRACHLOROETHYLENE MAGNESIUM (0-30 ug/L) (0-15 mg/L) NITRATE (AS NO3) CHLOROMETHANE (0-30 mg/L) (0-6 ug/L) CHLOROFORM SODIUM (0-3 ug/L) (0-30 mg/L)

  50. Radial (Star) Diagrams-Unit 1 Events PEAK 5 DICHLORODIFLUOROMETHANE (FREON 12) (0-12 ug/L) TETRACHLOROETHYLENE NITRATE (AS NO3) (0-15 ug/L) (0-35 mg/L)

  51. Radial (Star) Diagrams-Unit 1 Events PEAK 6 DICHLORODIFLUOROMETHANE (FREON 12) (0-12 ug/L) TETRACHLOROETHYLENE NITRATE (AS NO3) (0-15 ug/L) (0-35 mg/L)

  52. Radial (Star) Diagrams-Unit 1 Events PEAK 7 DICHLORODIFLUOROMETHANE (FREON 12) (0-12 ug/L) TETRACHLOROETHYLENE NITRATE (AS NO3) (0-15 ug/L) (0-35 mg/L)

  53. Radial (Star) Diagrams-Unit 1 Events PEAK 8 DICHLORODIFLUOROMETHANE (FREON 12) (0-12 ug/L) TETRACHLOROETHYLENE NITRATE (AS NO3) (0-15 ug/L) (0-35 mg/L)

  54. Radial (Star) Diagrams-Unit 1 Events PEAK 1 PEAK 2 PEAK 3 PEAK 4 PEAK 5 PEAK 6 PEAK 7 PEAK 8

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