نتایج جستجو برای: usepa and jecfa therefore
تعداد نتایج: 16831124 فیلتر نتایج به سال:
Groundwater is an important resource for domestic use and irrigation in the Yinchuan region of northwest China. However, quality groundwater this declining due to human activities, with adverse effects on health. In order study chemical elements health, health risk drinking was calculated based actual situation China U.S. Environmental Protection Agency (USEPA) model. Moreover, sensitivity cont...
In the oil-rich Niger Delta, hydrocarbon pollution and oil spillages, gas flaring and sundry anthropogenic activities constitute sources of polycyclic aromatic hydrocarbons (PAHs), with food contamination playing a major role in human exposure. In this study we assessed PAH levels in wild and cultivated edible mushroom species consumed by the general population from the oil producing Niger Delt...
Significant uncertainty exists in the seasonal distribution of NH3 emissions since the predominant sources are animal husbandry and fertilizer application. Previous studies that estimated bottom–up and top–down NH3 emissions have provided the most comprehensive information available about the seasonality of NH3 emissions. In this study, this bottom–up and top–down emission information is combin...
A case study of the cancer risk to humans posed by persistent organic pollutants (POPs) in an industrial area of China, which has a long history of contamination from many sources, is presented. Relatively great concentrations of POPs around the chemical industrial parks have the potential to be chronically carcinogenic to local people. Sixteen individual PAHs listed for priory control by the U...
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