This paper considers a bi-objective mathematical model for locations of landfills, transfer stations and material recovery facilities (MRFs) in order to serve the entire regions and simultaneously identify the capacities of landfills. This is a mixed-integer programming (MIP) model, whose objectives are to minimize the total cost and pollution simultaneously. To validate the model, a numerical ...

There is substantial evidence that hazardous and solid waste facilities are located disproportionately in communities of color. While there are many potential explanations, one contributing factor might be that policy makers treat waste facilities differently, depending on the racial makeup of the facilities’ host communities. On a larger scale, policies targeted at waste facilities might also ...

olid waste” refers to the refuse , the solid and semi solid waste matters of a community except the night soil . Solid waste contains organic as well as inorganic matters . Solid waste management includes the entire process of dealing with solid waste ,starting from the collection from the primary source to ultimately disposing off it hygienically, so that it may not be a nuisance or create any...

background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

BACKGROUND Concern has been expressed in North Carolina that solid waste facilities may be disproportionately located in poor communities and in communities of color, that this represents an environmental injustice, and that solid waste facilities negatively impact the health of host communities. OBJECTIVE Our goal in this study was to conduct a statewide analysis of the location of solid was...

The management of medical waste is of great importance due to its potential environmental hazards and public health risks. In the past medical waste was often mixed with municipal solid waste and disposed of in residential waste landfills or improper treatment facilities (e.g. inadequately controlled incinerators) in Korea. In recent years, many efforts have been made by environmental regulator...

This study aims to understand influential factors for Jakarta’s residents to participate in a formal electronic waste recycling programme. It questions the efficacy of providing facilities to collect electronic waste despite the lack of legislated regulations or policies. Using the goal-framing theory as a foundation, a survey conducted on 208 respondents in 2018 revealed that selling obsolete ...

AIM To study the awareness, attitude, practice and facilities among the different categories of dental laboratories in Abha city. MATERIALS AND METHODS A total of 80 dental technicians were surveyed in the study. The dental laboratories included in the study were teaching institute (Group I), Government Hospital (Group II), Private Dental Clinic (Group III) and Independent laboratory (Group I...