Multi-part Document
BS EN ISO 10121 - Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation

This is a multi-part document divided into the following parts:

• Part 1 Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation. Gas-phase air cleaning media
• Part 2 Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation. Gas-phase air cleaning devices (GPACD)
• Part 3 Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation. Classification system for GPACDs applied to treatment of outdoor air