Per-fluoroalkyl and polyfluoroalkyl substances (PFASs) are persistent organic pollutants and do not degrade in the environment. They contain a carbon-fluorine bond, and these are called organic fluorides. A group of PFASs, which can be extracted from soil samples and be analysed, are called extractable …

Background While the indoor environmental quality of classrooms is a potential issue because it may affect the wellbeing of school children, the relations are still poorly studied. This study aimed to investigate the relations between classroom characteristics and health and comfort of school children. …

The overriding purpose of the thesis research is to develop new design concepts for improved and sustainable asphalt mixes. To accomplish this goal, it became necessary to reach some prerequisite goals. Determining what a sustainable asphalt means, and how that ideal is connected with the field of asphalt …

Dit onderzoek is uitgevoerd vanwege de wens van Heating BV om haar aantrekkelijkheid als werkgever te vergroten. Aanleiding voor deze wens is de lange looptijd van vacatures, waarbij het met name gaat om de vacatures voor techniekers in twee regio’s, en vacatures voor Product Manager. Om de looptijd …

Stocker Centrale Verwarming was founded in 1978. It is an established heating company in the region of Zevenaar; a city that lies on the border with Germany and the Netherlands. High quality and fast service are the vocal points of the organization. Because of changes in the industry, new competitors …