The Keck Carbon Cycle AMS Laboratory, University of California, Irvine : status report

We present a status report of the accelerator mass spectrometry (AMS) facility at the University of California, Irvine, USA. Recent spectrometer upgrades and repairs are discussed. Modifications to preparation laboratory procedures designed to improve sample throughput efficiency while maintaining precision of 2-3‰ for 1-mg samples (Santos et al. 2007c) are presented.