Filter testing & monitoring

We constantly monitor hydrogen sulfide (H2S) levels from the vents at Scotts Creek and Lane Cove River West.

The ventilation systems at both sites have filter beds. Tunnel air must pass through the beds before being expelled to the atmosphere.

Air quality information for the sites is available with our pollution monitoring test results and licence details.


Air ventilation building

This air ventilation building is part of the Northside Storage Tunnel.