PUBLIC LAW 104-119—MAR. 26, 1996 110 STAT. 831 "(9) Solid waste identified as hazardous based on one or more characteristics alone shall not be subject to this subsection, any prohibitions under subsection (d), (e), or (f), or any requirement promulgated under subsection (m) if the waste no longer exhibits a hazardous characteristic at the point of injection in any Class I injection well permitted under section 1422 of title XIV of the Public Health Service Act (42 U.S.C. 300h-l). "(10) Not later than five years after the date of enactment of this paragraph, the Administrator shall complete a study of hazardous waste managed pursuant to paragraph (7) or (9) to characterize the risks to human health or the environment associated with such management. In conducting this study, the Administrator shall evaluate the extent to which risks are adequately addressed under existing State or Federal programs and whether unaddressed risks could be better addressed under such laws or programs. Upon receipt of additional information or upon completion of such study and as necessary to protect human health and the environment, the Administrator may impose additional requirements under existing Federal laws, including subsection (m)(l), or rely on other State or Federal programs or authorities to address such risks. In promulgating any treatment standards pursuant to subsection (m)(l) under the previous sentence, the Administrator shall take into account the extent to which treatment is occurring in land-based units as part of a treatment system specified in paragraph (7)(A). "(11) Nothing in paragraph (7) or (9) shall be interpreted or applied to restrict any inspection or enforcement authority under the provisions of this Act.". SEC. 3. GROUND WATER MONITORING. (a) AviENDMENT OF SOLiD WASTE DISPOSAL ACT.— Section 4010(c) of the Solid Waste Disposal Act (42 U.S.C. 6949a(c)) is amended as follows: (1) By striking "CRITERIA. —Not later" and inserting the following: "CRITERIA. — "(1) IN GENERAL. —Not later". (2) By adding at the end the following new paragraphs: "(2) ADDITIONAL REVISIONS.— Subject to paragraph (3), the requirements of the criteria described in paragraph (1) relating to ground water monitoring shall not apply to an owner or operator of a new municipal solid waste landfill unit, an existing municipal solid waste landfill unit, or a lateral expansion of a municipal solid waste landfill unit, that disposes of less than 20 tons of municipal solid waste daily, based on an annual average, if— "(A) there is no evidence of ground water contamination from the municipal solid waste landfill unit or expansion; and "(B) the municipal solid waste landfill unit or expansion serves— "(i) a community that experiences an annual interruption of at least 3 consecutive months of surface transportation that prevents access to a regional waste management facility; or
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