12
The formaldehyde concentration in indoor air is measured post-construction (but pre-occupancy) and does not exceed 100μg/m³, averaged over 30 minutes (11).
13
The formaldehyde sampling and analysis is performed in accordance with ISO 16000-2 (12) and ISO 16000-3 (13) .
14
The total volatile organic compound (TVOC) concentration in indoor air is measured post-construction (but pre-occupancy) and does not exceed 300μg/m³, averaged over 8 hours with (14).
15
The TVOC sampling and analysis is performed in accordance with ISO 16000-5 (15) and ISO 16000-6 (16) or ISO 16017-1 (17) .
16
Where levels are found to exceed these limits, the project team confirms the measures that have, or will be undertaken in accordance with the IAQ plan, to reduce the TVOC and formaldehyde levels to within the above limits.
17
The measured concentration levels of formaldehyde (μg/m³) and TVOC (μg/m³) are reported, via the BREEAM scoring and reporting tool, for the purpose of confirming criteria 12 to 15 .