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Unit 12

Unit 12 . Underground Storage Tanks. What is the Problem?. Safety (explosion hazard) Soil contamination Groundwater contamination. Hazardous and Solid Waste Amendments of 1984 (HSWA). Upgrade existing UST’s Standards for new UST’s Licensing required Maintenance for existing & new

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Unit 12

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  1. Unit 12 Underground Storage Tanks

  2. What is the Problem? • Safety (explosion hazard) • Soil contamination • Groundwater contamination

  3. Hazardous and Solid Waste Amendments of 1984 (HSWA) • Upgrade existing UST’s • Standards for new UST’s • Licensing required • Maintenance for existing & new • Philosophy - prevention

  4. Tanks not covered • Hazardous waste tanks (SWDA) • Waste water treatment tanks (CWA) • Hydraulic lift & electrical equipment tanks • 110 gallons or less • de minimus concentrations • Emergency spill and overflow

  5. Excluded from definition • Farm or residential tanks for motor fuels, of 1,100 gallons or less • Heating oil tanks for consumption on premises • Septic tanks • Pipelines regulated under other law

  6. Excluded from definition • Surface impoundments, pits, ponds & lagoons • Storm or waste water collection systems • Flow-through process tanks • Liquid traps associated with gas or oil production • Basement storage tanks, above floor

  7. Requirements • Operating • Release detection • Release reporting • Reporting & cleanup of spills and overfills • Closure • Financial responsibility • State programs

  8. Financial responsibility • Federal & state governments exempt (local government must comply) • $1.5 - $3 million worth of assurance • May be reduced by coverage under the Petroleum Underground Storage Tank Cleanup Funds

  9. How to meet financial responsibility requirements • Self insurance (tangible net worth test) • Establish a trust fund • Guarantee • Insurance and risk retention group coverage • Surety bond • Letter of credit • Insurance pools

  10. How to meet financial responsibility requirements • Four additional options for local governments • Proof must be kept at location of tank or place of business

  11. Home Heating Oil Tanks • Exempt, no closure requirements • May impede property sales • Regulated by local fire inspectors • Leaks reported to DWM • Non-commercial Leaking Petroleum UST Cleanup Fund

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