The Codex or Code of well-being at work: the New Code of well-being at work - Federal Public Service Employment, Work and Social Dialogue ( applies to all companies and organisations that employ staff. It sets air quality standards in terms of CO2 concentration thresholds and ventilation rates.
The legislation on product standards: this authorises the FPS to define health and environmental quality requirements for products placed on the market.  The ministerial decrees concerning purification plants and CO2 meters were defined on this basis.
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