I read with great interest Schmidt’s article on hog feces that was widely spread by Hurricane Floyd flooding in North Carolina (1). Should not all fecal matter, whether human, hog, poultry, or cattle, be held to the same standard of disposal? Why should municipalities be held to a higher level of waste purification for human fecal matter? Sheldon B. Cohen Psychiatrist (private practice) Atlanta...

Rapid urbanization of Dhaka city has created immense pressure on its urban services including solid waste disposal. Both city corporations (Dhaka North, DNCC and Dhaka South, DSCC) have been facing tremendous problem to maintain sustainable waste management over the last few decades. At present, the DNCC and DSCC dump 68% of the total solid waste to the sanitary landfill site at Matuail. Decomp...

BACKGROUND Environmental Health Indicators (EHIs) are the most important criteria for evaluation of efficiency and effectiveness of the activities of the health sector. The operations and situation of the health system can be analyzed through surveying the indicators and comparing them during different times. The present study aimed to study the EHIs of Tabriz, using the common environmental he...

Water reclamation and reuse provides a unique and viable opportunity to augment traditional water supplies. As a multi-disciplined and important element of water resources development and management, water reuse can help to close the loop between water supply and wastewater disposal. Effective water reuse requires integration of water and reclaimed water supply functions. The successful develop...

A space toilet is a toilet that can be used in a low gravity environment. In the absence of gravity the collection and retention of liquid and solid waste is directed by use of air flow instead of water. Generally, the human waste is separated and solid wastes are compressed and stored on-board, and then removed after landing. Waste water is vented to space. The air is filtered to remove odor a...

Isothiazolinones are used as preservatives, biocides and disinfectants in a variety of industrial and domestic applications. Some of the isothiazolinones are difficult to isolate from water due their high polarity. A sensitive and selective analytical method was developed and optimized for the determination of sub-microg/L levels of three isothiazolinones in water samples. Three isothiazolinone...

The population of our country is increasing rapidly and due to it plastic waste is also increasing day to day due to urbanization, development activities and changes in life style, which leading extensive environment pollution. Thus disposal of waste plastic is a threat and become a serious problem globally due to their nonbiodegradability and anaesthetic view. Since these are not disposed scie...

AIM To estimate the quantity of dental amalgam that Ontario dentists release into waste water. METHODS Information from a self-administered postal survey of Ontario dentists was combined with the results of other experiments on the weight of amalgam restorations and the quantity of amalgam waste that bypasses solids separators in dental offices. Algorithms were developed to compute the quanti...

The principal use of water by the petroleum refining industry in the United States of America is in the refining branch itself, and the present paper is concerned with problems arising from this use of water, and some of the measures being taken by the industry to solve these problems. The compilation oftheManualonDisposalof Refinery Wastes is briefly alludedto, and the importance ofrecirculati...