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17. Implementation of the underground storage tank program : hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One Hundred First Congress, second session on S. 1560 ... February 20, 1990

23. In our own backyard

24. In situ chemical oxidation

41. Information series

53. In-situ bioremediation of contaminated ground water

63. International groundwater law