Abstract
The article consists of the application of a new rating methodology for final disposal of urbansolid waste (USW) by evaluating the conformity of geotechnical and environmental aspectsduring the implementation and operating processes. The IQS was proposed when introducingthe concepts of Environmental Management, in accordance with ISO 14001, to the LandfillQuality Index (IQA) [I], developed from the Waste Quality Index (IQA) proposed by [2]. Thestudy focused on the implementing and operating processes, as well as on the control ofimpacts on the environment and on pollution prevention. Fifteen sites were assessed toconfirm the hypothesis. They were rated as inadequate, controlled, adequate andenvironmental conditions, in accordance with indices obtained with intervals between zeroand ten points. It could, therefore, be concluded that in an inventory of rating USW disposallandfills, the use of ISO 14000 as an analytical tool may be extremely helpful to enhanceassessment methods. Moreover, environmental management concepts contribute to reducingenvironmental pollution and, consequently, the associated environmental impacts.
Highlights
Among the different existing environmental problems, the urban solid waste (USW) has become one of today's major challenges
The article consists of the application of a new rating methodology for final disposal of urban solid waste (USW) by evaluating the conformity of geotechnical and environmental aspects during the implementation and operating processes
The IQS was proposed when introducing the concepts of Environmental Management, in accordance with ISO 14001, to the Landfill Quality Index (IQA) [I], developed from the Waste Quality Index (IQA) proposed by [2]
Summary
Among the different existing environmental problems, the USW has become one of today's major challenges. Considering the above factors, this proposal was based on the introduction of management requirements, using the standard ISOl4001 (Environmental Management System Specification and Guidelines for use) as a criterion for adapting to the Landfill Quality Index (IQA) [I], through which the proposal is to assess final disposal and treatment of USW from the environmental management viewpoint. Based on the hypotheses that, considering IQA rating parameters as shown in Tables I, 2 and 3, a landfill rated "adequate" (or sanitary) by IQA will not guarantee treatment and disposal of its environmentally safe waste; and that the ISO 14000 will be a valuable tool to be used in the landfill rating inventory to verify environmental conditions, as well as aspects relating to the characteristics of the site, its infrastructure and operations. After applying the IQS, the rates obtained were compared analogically with the IQA [I] and IQR rates [2], With this comparison it was possible to confirm the hypothesis under consideration
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