It also applies to HVACs in scientific classrooms in schools in so far as these are equipped with an HVAC. This standard does not stipulate, however, when laboratories or scientific classrooms in schools shall be equipped with an ACP. For this purpose superior bodies of rules and regulations apply that shall be taken into account. This standard only specifies the tasks of and requirements for HVACs. The application of this standard is not limited to laboratories in a narrow sense of the term. The standard also applies to laboratory-like rooms in which hazardous substances and agents are handled.