352 Extraction of hazardous materials 1. The legislative authority has facilitated the operation of safety storage cabinets without technical ventilation on the basis of TRGS 510, Annexe 3, 2.2. If technical ventilation is not carried out in the long-run, contingency measures must be implemented, which ensure comparable explosion protection. (Applicable for German market). 2. Please bear in mind that other regulations in addition to TRGS 510 (Annexe 3) can also make technical ventilation necessary. For example, if corrosive or poisonous substances are stored or there is unpleasant odour for the employees due to the substances stored, a technical ventilation of the safety storage cabinet must be planned as a rule; for this, please refer to the Ordinance on Hazardous Substances or Workplaces Ordinance. 3. With the recirculating air filter system UFA.025.030, it is also possible to ensure a technical ventilation of safety storage cabinets without an expensive exhaust fan and by avoiding explosion protection measures in a costeffective manner! Please adhere to the country-specific terms of use binding for you. In case of any doubt, the possible applications must be agreed with the relevant authority having jurisdiction. Natural ventilation +No cost-intensive exhaust air ducts are necessary −Explosion zones must be permanently ensured around the safety storage cabinet −Possible health risk to the employees −Ignition sources must still exist inside the safety storage cabinet Technical ventilation using Local Exhaust Ventilation (LEV) +No health risk to the employees +All the hazardous materials (also acid and base vapours) will be eliminated −Cost-intensive exhaust air ducts with possible wall/ceiling breaks will be necessary −Installation of the safety storage cabinet becomes inflexible −Energy consumption due to heat losses in the exhaust air Technical ventilation using a recirculating air filter system +No health risk to the employees/workers +No cost-intensive exhaust air ducts are necessary +Flexible installation of the safety storage cabinet +No energy losses due to exhaust duct outwards +Permanent electronic monitoring of the exhaust air volume +Tested and certified system −Only solvent vapours (hydrocarbons) can be filtered If you have any further questions on ventilation of safety storage cabinets, please contact us. Our employees will be happy to help you. Please adhere to the country-specific regulations and provisions that are applicable for you. What are the possible ventilation options? Do safety storage cabinets have to be technically ventilated? Please observe local legislation and regulations.
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