introduction according to world population growth that is over 6 billion people, drinking water supply in cities and villages is one of the concerns of politicians and residents, so the 21st century is named century of water stress or hydrological stress. one of goals of world water organization will be supply the drinking water for all until 2025. it is worth mentioning that highest population...

the purpose of this study was to compare the dez river water quality in the dezful hydrometric station for human drinking water, industry and agriculture. this study by cross-sectional method used data from the period of 39 years. sampling was carried out on the basis of physical and chemical parameters were determined. the results with world health organization standards, charts schuler and ag...

the impact assessment method seeks to bring about a more ecologically, socio-culturally and economically sustainable and equitable environment. determining the main factors affecting the attitudes of stakeholders is crucial for understanding the impacts of development plans. this approach helps planners and decision makers to identify the values and traits of stakeholders and accelerate the dif...

Slaughterhouse produce alot of contaminated waste. This study aims to determine the process waste management and test content wastewater in Regional Company Medan City. research was conducted from August September 2021. a descriptive quantitative laboratory tests were carried out. The population this 30 employees or workers at City slaughterhouse entire sampled because number relatively small. ...

background: according to the health world organization drinking water must be free of chemicals and microbial contaminations which are risk to human health. therefore water quality control is very important. the purpose of this study is investigating the chemical quality and chlorination status of drinking water in kashan’s villages. methods: this cross-sectional study was conducted on drinking...

aim: tobacco use is one of the major causes of death worldwide and the most preventable risk factor of the coronary heart disease. the purpose of this study was to determine attitudes, risk perception and perceived vulnerability toward to water pipe (wp) smoking among male students in zarandieh city of iran. methods: this cross-sectional descriptive study was carried out on 400 male adolescents...

When public health is endangered, the general public can only protect themselves if timely messages are received and understood. Previous research has shown that the cause of threats to public health can affect risk perception and behaviours. This study compares compliance to public health advice and consumer behaviour during two "Boil Water" notices issued in the UK due to a routine incident v...