If chillers are operated incorrectly or maintenance work is neglected, legionella can multiply quickly. This poses a serious health threat. Since 2017, the 42nd ordinance on implementation of the Federal Immission Control Act has set binding rules for the prevention of legionella and microorganisms. We assist you with our comprehensive refrigeration technology service!
‘Legionella and other microorganisms aren’t actually a problem at all with the right technology. The ordinance on evaporation cooling systems, cooling towers and wet separators is the government’s response to the risks posed by increased concentrations of legionella and microorganisms; it is designed to prevent the risks to the population’s health posed by improperly operated systems.’
Manfred Hofmann, head of the dka at ENGIE Refrigeration
Since 2017, the 42nd ordinance of the BImSchV has prescribed rules governing the operation of and technology for evaporation cooling systems and wet separators. It is designed to prevent the spread of legionella and microorganisms, as well as the resulting legionnaires’ disease – a serious type of pneumonia
Legionella are rod-shaped bacteria that occur in natural bodies of water and soils. At water temperatures of around 25 degrees Celsius or higher, they multiply exponentially. The Robert Koch Institute estimates that between 6,000 and 10,000 people become sick in Germany every year due to the bacterium. If left untreated, the resulting diseases can in the worst case result in death.
If an inspection detects that limits have been exceeded, the process water must first be submitted for an additional lab test. In addition, the causes must be determined and any necessary countermeasures must be taken; they vary according to type, and by how much the limit has been exceeded. If, for example, the reference value is 100 times higher than the defined reference values, immediate action must be taken to reduce the microbial load according to the 42nd BImSchV § 5.
First: you are not on your own when fighting legionella and implementing the Federal Immission Control Act ordinance. We at ENGIE Refrigeration assist you in various ways:
With us as the partner by your side, you are prepared for all eventualities and ready for hygienic and efficient operation