نتایج جستجو برای: sewerage
تعداد نتایج: 724 فیلتر نتایج به سال:
Up to 20 percent of the German sewerage systems are damaged mainly due to their high age. The estimation for the restoration costs is about 100 billions DM. As a consequence the German Government has issued comparably harsh environmental laws enforcing the owner of a sewerage system to check regularity its state by means of suitable inspection technology. However, at the present state of the ar...
s and Reports 253 thorities are now appropriately being given the responsibility to manage, operate, and maintain sewerage systems. The Trinidad and Tobago Water and Sewerage Authority, perhaps the most advanced in the Eastern Caribbean, has a well-structured and staffed wastewater section with the authority and expertise to pursue the country’s plans for extending sewerage systems in the dense...
INTRODUCTION Enteric viruses, including Hepatitis E virus (HEV), are able to persist under environmental conditions and may cause public health problems by contaminating natural and drinking water resources. Routine procedures for monitoring viruses in water samples have not been established for the water microbiology screening panel. METHODOLOGY Eighty-six raw sewerage samples were collected...
— This paper attempts to determine the municipal level impact of the 1994 Law 142 water and sewerage services reforms on child mortality and service coverage. The objective of these reforms was to transfer service provision from the municipalities to specialized companies. These reforms were undertaken within the 1990s decentralization process which established that the provision of water and s...
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