Analysis of main environmental components must be appropriate and useful for establishing decision-making elements regarding environment quality, the need for intervention and remediation in major cases, or improvements and development forecasting for local specific situations or subsequent climatic behaviour and composition transformation processes. In this respect, the usefulness of the information gathered from environmental analysis largely depends on how monitoring actions and environmental analysis (inspection and measurement) are planned. Pollutants discharged from use of various technological gases must be measured and analysed to avoid potential hazards and protect vital space and man against direct and indirect effects of noxae. To this end, the current paper aims to analyze certain internationally recommended methods for measuring and monitoring main gases which have negative impact upon the environment and human health, such as physicochemical analysis/evaluation/radiography of gases and dusts from the Jiu Valley urban area's atmosphere, trying to asses the state of the environment in this area.
Air quality monitoring involves a series of quantitative and qualitative observation and measurement of several air condition indicators, such as concentrations of air components. For this purpose, it is necessary to take several samples of air (gases, dusts, VOCs, physicochemical agents) with specialized equipment having the lowest measuring ranges, sometimes going up to ppt concentrations. At present, most environmental laboratories use individual equipment / analysers for each analysed environmental parameter or carry out sampling in an absorbent / adsorbent environment, and then analyse compounds in laboratories. The current paper presents the advantages of sampling / analysis of environmental compounds with the help of mobile environmental laboratories which allow in situ sampling and analysis of several air quality indicators and fast identification of polluted areas by simultaneous measurements of several samples and strategic and tactical decision making to confute pollution and prevent it. Having a mobile environmental laboratory is equivalent to using the latest concepts and methods of in-situ environmental parameter analysis technology to monitor environmental quality, securing the acquisition and processing of data but requiring specific knowledge in the field to transmit information as accurate and rapid as possible to the beneficiary or environmental authority.
Working in confined (limited) spaces represents a risk factor generating unwanted accidents or events, having an impact on human health. The success of intervention and rescue operations in toxic or chemical aggressive environments lies in optimal and efficient design of the training process for rescue personnel, which also includes rescue operations in confined spaces. The paper presents the scientific research behind designing and building a complex training facility with different training tracks, having various levels of difficulty, achieved within a research project funded by the Romanian National Agency for Scientific Research, within the "NUCLEU" program. The training facility allows for simulation of intervention activities in spaces having horizontal and vertical tracks, poor visibility, high temperature and humidity environments, and so on, with the purpose of preparing intervention and rescue teams for situations similar to real life.
Any workplace implies a greater or lesser number of occupational hazards, respectively workers are exposed to occupational risks, putting their health in danger. If we talk about industrial environments (construction, energy, metallurgy, textiles, wood, etc.), these hazards are found to a greater extent, often exceeding the allowable limit, but occupational pollutants such as dust in suspension and microclimate parameters can also be found in offices, whether they are open space or not. In this sense, the current paper reviews some workplaces and quantifies the level of risk to which workers are exposed to show and demonstrate the importance of occupational health prevention in order not to reach further measures, in time, when these occupational diseases occur. The research conducted led to the conclusion that the determined pollutants (dust, gas, microclimate) exceeded the maximum allowable concentration required by national legislation, both at workplaces in various technological flows and in offices. The high concentrations found in offices are caused by staff traffic, large number of employees, as well as the lack of natural ventilation.
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