background: the aim of this study was to determine bioavailability heavy metal concentrations of cu, cd, cr, co and zn and health risk assessment in different types of klang district, selangor (malaysia) urban surface soil using in physiologically based extraction test in vitro human digestion model. methods: a total of 76 urban surface soil was sampled based on seven different types of land us...

conclusions our results showed that the study population perceived a high likelihood of cchf risk. improving public knowledge and awareness could result in a more realistic assessment of cchf risk, hence better compliance with taking precaution measures to tackle the disease. results approximately 70% of the respondents reported the cchf risk to be 'high'. factors independently associated with ...

pricing for an insurance policy can be described as the process of calculation of expectedcompensation to be paid to property losers as well as associated costs of potential risks. loss forecast isaccurate if the risks will be identified appropriately in order to calculate the frequency and expected severityof losses.this is particularly important about environmental risks since most of them ap...

BACKGROUND The field of risk assessment has focused on protecting the health of individual people or populations of wildlife from single risks, mostly from chemical exposure. The U.S. Environmental Protection Agency recently began to address multiple risks to communities in the "Framework for Cumulative Risk Assessment" [EPA/630/P02/001F. Washington DC:Risk Assessment Forum, U.S. Environmental ...

BACKGROUND Many bacteria of clinical importance survive and may grow in different environments. Antibiotic pollution may exert on them a selective pressure leading to an increase in the prevalence of resistance. OBJECTIVES In this study we sought to determine whether environmental concentrations of antibiotics and concentrations representing action limits used in environmental risk assessment...