[enter Abstract Body]The CSIRO In-Situ Laboratory has been a world first injection of CO2 into large faulted zone at depth. A total 38 tonnes was injected the F10 fault approximately 330 m depth and process monitored in detail. The site uses well, Harvey-2, SW Western Australia (the South West Hub CCS Project area). top 400 section Harvey-2 available for instrumentation. An observation ISL OB-1...