Selected International Receptor-Based Air Quality Standards

Assessment of the Air Quality of Isfahan City, Iran, Using Selected Air Quality Parameters

Background: Today, air pollution is one of the major problems in large cities including Isfahan. Methods: The objective of this study was to investigate the variations of ozone (O3), carbon monoxide (CO), nitric oxide (NO), nitrogen dioxide (NO2), nitrogen oxides (NOx), sulphur dioxide (SO2), and particulate matter (PM10) concentrations in different months at three stations and also to explore ...

Rational establishment of air quality standards.

This paper attempts to apply two principles of rationality--efficiency and equity--to the establishment of air quality standards for total suspended particulates in the USA. It is argued that standard setting should embrace either the use of some cost-benefit-risk criterion, or some concept of equity whereby risks are not reduced below levels judged to be acceptable elsewhere. There is often a ...

Developing Clinical Nursing Education Standards in Iran Based on International Standards

Introduction: Accreditation is one of the most important quality assurance and improvement methods in medical sciences education, especially in the field of nursing clinical education. However, there are not compiled standards in this regard and employing international standards does not seem to be practical. Accordingly, the researchers in this study tried to develop the national standards for...

National Ambient Air Quality Standards for Particulate Matter ; Final Rule

Codex Alimentarius: food quality and safety standards for international trade.

Since 1962, the Codex Alimentarius Commission (CAC) of the Food and Agriculture Organisation/World Health Organisation has been responsible for developing standards, guidelines and other recommendations on the quality and safety of food to protect the health of consumers and to ensure fair practices in food trade. The mission of the CAC remains relevant, but a number of factors have shown the n...