In recent years, accidents of urban large scale sewage treatment plant at home and abroad have took a big loss to countries and individuals. Based on field research and scientific analysis of one large sewage treatment plant this paper use the safety check list to evaluate its safety and get that the main risk factors which should be focused on are poisoning and suffocation, electrical injuries...

Waste electrical and electronic equipment is one of the major world-wide waste streams triggering the emergence of environmental strategies. Environmental regulations, closed-loop supply chain (CLSC) activities and design-for-environment (DfE) practices are environmental friendly strategies being implemented by governments and industry. In this paper, we apply a System Dynamics model to a CLSC ...

Two regulations, The Control of Wastage of Electrical and Electronic Equipment, and Directives Restricting the Use of Hazardous Substances, adopted by the European Union in 2002 and 2003 respectively, control the sale of electrical and electronic equipment in all 25 nation members and these regulations are going to influence other countries in the world. Giving increasing global awareness of th...

There is an increasing number of applications for UV and visible radiation in medical therapy and diagnosis, and in areas related to cosmetology. All these applications pose risks of unwanted exposure of the staff executing the treatment and the patients. A new survey in Norwegian hospitals accounting for the status of radiation protection in phototherapy will be presented. The survey concludes...

Waste electrical and electronic equipment (WEEE) has been one of the fastest growing waste streams worldwide. Effective and efficient management and treatment of WEEE has become a global problem. As one of the world's largest electronic products manufacturing and consumption countries, China plays a key role in the material life cycle of electrical and electronic equipment. Over the past 20 yea...

management of medical devices in hospitals includes the planning of medical equipment acquisition and maintenance. The presence of critical and non-critical areas together with technological proliferation render the management of medical devices very complex. This study creates an easy and objective methodology for the analysis of medical equipment maintenance, that makes the management of medi...

In resolving the issues in analyzing electrical hazards in an industry, we must follow a path that will lead to a comprehensive analysis of the problems that exist and provide a quantified value to ensure the selection of appropriate personal protective equipment and clothing. An analysis of all three hazards--shock, arc, and blast--must be completed and steps taken to prevent injuries. The fol...