Appendices - Statewide Framework for Groundwater Contamination Assessment and Management APPENDICES 1 Appendices - Statewide Framework for Groundwater Contamination Assessment and Management LIST OF APPENDICES 1 LISTING OF CONTAMINANTS AND CONTAMINANT SOURCES .................. 1 1.1 Contaminant Listing 1 1.2 Contaminants in Industrial Wastes 3 1.3 Water Quality Criteria 5 1.3.1 Drinking Water Quality Criteria and Suggested Standards (NHMRC, 1980, ANZECC 1992). ................................................................................................................ 0 1.3.2 Water Quality Indicators and Criteria - Stock and Irrigation Use .................................... 3 1.3.3 Water Quality Guidelines Recommended for some Food and Beverage Industries (concentrations in mg/L unless otherwise indicated)....................................... 5 1.3.4 Tabulation of the Average Daily Water Requirements for Livestock.............................. 0 1.3.5 Guideline Values For Pesticides In Raw Water Sources: NHMRC/AWRC (1987), NHMRC (1989). ................................................................................................... 0 1.3.6 Water Quality Guidelines Organics in for Raw Waters for Drinking Purposes subjected to coarse screening. (ANZECC, 1992). ............................................................ 2 1.3.7 Water Quality Criteria for Ecosystem Support (after EPAV, 1983)................................ 2 2 GEOLOGICAL SURVEY GROUNDWATER SAMPLING AND ANALYSIS METHODS.................................................................................................. 4 2.1 Detail of analytical and sampling techniques 1968-1983. 4 2.2 Analytical Techniques used from 1983 onwards for analysis of groundwater samples, State Water Laboratories (RWC). 6 2.3 Changes in GSV pollution bore sampling techniques and pollution data storage 9 2.3.1 Quality Assurance ............................................................................................................ 10 2.3.2 Freshwater Stratification in Bores by Fractionation and Condensation Trickle............ 11 2.3.3 Sample Filtration.............................................................................................................. 11 2.3.4 Errors Propagated or initiated by Electronic Database Management............................. 12 3 GROUNDWATER POLLUTION MONITORING BORES LOCATION AND CONSTRUCTION DATA .................................................................................. 19 3.1 The Newer Basalts - Dual Aquifer Concept 19 3.2 Bore Construction (Western Suburbs) 20 3.2.1 Bore Construction a Transient Situation in the Western Suburbs.................................. 20 3.3 Details of Geological Survey and EPA funded Groundwater Monitoring Bores 21 3.3.1 List of Western Suburbs Pollution Monitoring Bores: ................................................... 34 3.4 Geological Survey Victoria (GSV) Basalt Survey Bores 38 3.5 Government Investigation Bores Located At Industrial Waste Disposal Sites (1973 - 1987). 39 3.5.1 Co-Disposal Industrial Landfills accepting Liquid Industrial Waste ............................. 39 3.5.2 Government Investigation bores drilled at Industrial Waste Lagoons and Unlined Disposal Pits....................................................................................................... 39 2 Appendices - Statewide Framework for Groundwater Contamination Assessment and Management 3.5.3 Government Investigation bores at Industrial Waste Injection sites or waste recharge pits ..................................................................................................................... 40 3.5.4 Government Investigation sites at Dairy Waste Injection sites. ..................................... 40 3.5.5 Sites Examined with Spillage and Fire Waters ............................................................... 40 4 REGIONAL GROUNDWATER POLLUTION MONITORING BORES ........... 42 4.1 Western Suburbs 42 4.2 Regional observation bores in the Northern Suburbs 42 4.3 Regional groundwater monitoring bores in the South Eastern Suburbs 42 5 GOVERNMENT INITIATED GROUNDWATER POLLUTION MONITORING PROGRAMS..................................................................................... 44 5.1 Government Investigation and Monitoring of Landfill Sites 44 5.1.1 Country landfill sites........................................................................................................ 44 5.1.2 Suburban Landfill Sites.................................................................................................... 44 5.1.2.1 Western Suburbs .............................................................................................................. 44 5.1.2.2 Northern and Eastern Suburbs......................................................................................... 45 5.2 Summary Monitoring Results from Tullamarine Industrial Waste Disposal Landfill (Co Disposal). 47 5.3 Summary Results from Bores at Other South Eastern Landfills 49 5.4 Summary of Results of the monitoring of the Bunny Road Landfill, Oakleigh 50 5.5 Pollution Bore Status December 1986 and Summer 1990-1991 51 5.5.1 Western Suburbs Monitoring Bore Status....................................................................... 51 5.5.2 Tullamarine Monitoring Bore Status............................................................................... 52 5.5.3 South Eastern Suburbs Monitoring Bore Status.............................................................. 54 5.5.4 Northern Suburbs Monitoring Bore Status...................................................................... 54 5.5.5 Country Pollution Monitoring Bores............................................................................... 55 5.6 Private Groundwater Observation bores 55 5.7 Health Department Land Waste Management (Delegated Authority) Licences 1971 - 1986 with monitoring bores. 56 6 PRIVATE GROUNDWATER BORES DRILLED AS A REQUIREMENT OF ENVIRONMENT PROTECTION ACT 1970,................... 57 6.1 Additional Private and Self-Monitoring Bores 57 7 MISCELLANEOUS GSV GROUNDWATER POLLUTION INVESTIGATIONS....................................................................................................... 65 7.1 Collection of Landfill Leachate Samples. 65 7.2 Column Leachate Attenuation Tests. 65 7.3 Chemical and Nuclear Tracers; Radio Nuclide Tracing Techniques in the Basalt Aquifer. 65 7.4 Insitu and Biological Treatment. 65 7.5 DO and Conductivity Profiles of Groundwater Monitoring Bores. 65 3 Appendices - Statewide Framework for Groundwater Contamination Assessment and Management 7.6 Fluoride Concentrations in Groundwater at Portland. 65 7.7 Nitrate Concentrations on the Nepean Peninsula. 65 7.8 Arsenic Concentrations in Central Victorian Bedrock Waters. 66 7.9 Acid (pH < 3) Pit Waters 66 7.10 EPA Golf Course Bores Monitoring Program (16th March 1978) 66 7.11 List in Alphabetical Order to the Titles of Groundwater Pollution Files Cited or Referred to in this Report 67 8 SUMMARY OF SELECTED METROPOLITAN LANDFILL SITES................. 70 8.1 Surface discharge of Landfill Leachate or Landfill Burst 77 9 DEVELOPMENT OF PROTECTIOIN POLICY IN GOVERNMENT COMMITTEES AND APPEAL HEARINGS ........................................................... 78 9.1 State Development Committees 78 9.2 Ministerial Statement 78 9.3 Interdepartmental Committee on Aquifer Pollution (ICAP) 81 9.4 Interdepartmental Committee for Liquid Waste Disposal (ICLWD) 83 9.5 Milestone Appeal Hearings: TCPAB and the AAT 85 9.5.1 The Sunshine Tip Appeals............................................................................................... 85 9.5.2 The Shire of Flinders Appeal........................................................................................... 86 9.5.3 Camberwell Appeal (Nos. 1990/26374 et al.)................................................................. 88 9.5.4 ACI - Lang Lang East (AAT No. 1991/036953)............................................................. 90 9.5.5 Lilydale Appeal (Nos. 1992/006131 & 1992/016807) ................................................... 92 9.5.6 Ondit Appeal (Nos. 1996/5620 and 1996/31995)........................................................... 94 9.6 Task Force for New Regional Tip Site Approvals (TFFNRTS) 98 10 TERRAIN, RISK, SENSITIVITY AND VULNERABILITY ANALYSIS.......... 100 11 VICTORIAN TOWNSHIPS THAT UTILISE GROUNDWATER...................... 105 4 Appendices - Statewide Framework for Groundwater Contamination Assessment and Management LIST OF FIGURES Figure 1. The concentration of Total Iron in analyses from 1968 - 1992, showing the change in laboratories in 1983. 9 Figure 2. Variation in the three year moving average illustrating steps in concentration at the change in the water laboratories................................................................................................................10 Figure 3. Location of Pollution Monitoring Bores in the Western Suburbs (after Riha and Kenley, 1978) 14 Figure 4. Bore location inserts a, b, c (after Riha and Kenley 1978)..........................................................15 Figure 5. Bore locations at the Tullamarine Industrial Waster Landfill, insert d (after Shugg, 1979).....16 Figure 6. Pollution bores locations in the South Eastern Suburbs (after Thompson and Harris, 1972 and Shugg, 1976). ............................................................................................................................18 Figure 7. Bore construction for the Western