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The term ‘waffle slab’ or ‘wafer slab’ refers to a special reinforced concrete floor slab featuring grid-like beams or cylindrical recesses. Owing to its high flexural stiffness and favourable dynamic properties, it…

A procedure for classifying waste according to the relevant criteria of the Waste List (AVV) in order to correctly assess waste based on its hazardous characteristics and potential risks.

An industrial facility used to recover or dispose of waste through incineration (thermal treatment) in order to reduce waste volumes, generate energy and minimise residual pollutants.

Water as an object of protection includes surface waters (rivers, lakes, springs) and groundwater. In addition, drinking water and mineral spring protection areas, as well as floodplains, areas at risk of flooding…

European directive governing water policy in the EU, with the aim of achieving sustainable and environmentally sound water use. Key instruments are the prohibition of deterioration and the requirement for…

A classification system that describes the risk posed to water bodies by certain substances or mixtures. It indicates how hazardous a substance is to water bodies and how a spill might affect them. …

An Act governing sustainable water management with a view to maintaining/improving water quality and to preserving/protecting natural water bodies.

Sound transmitted through water. Its propagation characteristics differ significantly from those in air and play an important role in the study of marine environmental impacts, shipping and underwater…

The propagation of waves in solids or fluids (liquid or gaseous) relative to a source.

Measurement of inhalation exposure: welding fumes, metals, chromium(VI) compounds, ozone, nitrogen oxides.

When the wheel flange comes into contact with the rail while travelling along a curved section of track, high-frequency noises are produced, which can best be described as hissing sounds.

Small irregularities on the wheel tread which cause the wheel and rail to vibrate. The rougher the wheel tread, the louder the rolling noise.

Household appliances such as fridges, washing machines and dishwashers. 

Whole-body vibrations are mechanical vibrations in the frequency range between 0.1 Hz and 80 Hz which, when transmitted to the whole body, pose or may pose a risk to the health and safety of workers. …

A technology for wireless data transmission over short distances.  

A wind turbine converts the kinetic energy of the wind into electrical energy.

Wood preservatives such as PCP, lindane and DDT are among the active ingredients used in fungicides and insecticides.

Investigation and assessment of hazards associated with activities involving hazardous substances in the air in work areas in accordance with Section 7 (10) of the German Hazardous Substances Ordinance (GefStoffV),…

Annoying noise that affects a person or a specific location during working hours.

Calculation of the expected sound pressure levels at the workplace. The assessment is usually carried out during the planning phase, i.e. before a project is implemented, and is based on technical data, the planned…

This regulation serves to ensure the safety and health protection of employees when setting up and operating workplaces. With regard to noise at the workplace, this regulation only requires in very general terms…

Investigation of lighting conditions to assess risks to employees due to inadequate lighting levels or disruptive glare in existing buildings and in the planning process.