backgrounds and objectives:today, one of the most important environmental issues is solid waste produced in dentistry that because of the presence of hazardous, toxic and pathogen agents has special importance. in this survey, solid waste produced in hamadan dentistry laboratories and practical dentist offices is studied.materials and methods: in this descriptive study, from 24 dentistry labora...

This chapter describes the methodology used in EPA’s Waste Reduction Model (WARM) to estimate streamlined life‐cycle greenhouse gas (GHG) emission factors for asphalt shingles beginning at the waste generation reference point. The WARM GHG emission factors are used to compare the net emissions associated with asphalt shingles in the following four waste management alternatives: source reduction...

Research into individual waste management has focused primarily on recycling behaviour. It is argued here that there also needs to be a focus on reuse and reduction of waste. The diversity of waste behaviour and its antecedents is therefore emphasised. The declared reduction, reuse and recycling behaviour of 673 households in Exeter, Devon is detailed. Differences between behaviours are examine...

The management of solid waste has become an urgent problem in nations with a great population density. Accordingly, waste reduction through source reduction and recycling has become increasingly important. Our purpose is to show how prevention, recycling and disposal of waste could be part of a theory of the firm. We first derive efficient production functions from production processes with was...

Municipal Experience with "Pay-As-You-Throw" Policies: Findings From a National Survey Based on a large, nationally representative sample of cities with recycling programs, this study examines whether a Pay-As-You-Throw (PAYT) pricing policy for solid waste collection and disposal service is an incentive for households to change their waste disposal and recycling behaviors. The study finds that...

As federal, state, and local regulations regarding waste disposal become more stringent, the need to address current disposal practices for waste aircraft engine lubricants and other fluid wastes has become a major issue. The purpose of this Air Force sponsored study [ I ] is to examine recycling as an alternative to current disposal methods and the steps required to implkment and monitor recyc...

From the use of renewable resources and environmental protection viewpoints, recycling of waste printed circuit boards (PCBs) receives wide concerns as the amounts of scrap PCBs increases dramatically In recent years there has been increasing concern about the growing volume of end of life electronics and the fact that much of it is consigned to landfill w ithout any attempt being made to recyc...

This paper examines the impact of two popular solid waste programs on the percent recycled of several different materials found in the residential solid waste stream. We examine a unique, national, household-level data set containing information on the percent recycled of five different materials: glass bottles, plastic bottles, aluminum, newspaper, and yard waste. We find that access to curbsi...

The number of population in Bangkok, the capital of Thailand, is increasing every year. The capital produces about 9,900 tons of garbage daily or 1.53 kilograms per person which only 13% of waste is recycled per day. This presents a serious challenge and concern of municipal authority in solid waste management. This study examines Bangkok residents’ practices, knowledge of waste management, as ...