APS Services and Facilities Getting Access to the APS Operations Information APS Stockroom (On-Site Only) Detector Pool Publication database Optics requests (On-Site Only) Safety and Beamline Information Proposal Deadlines General User Proposal System Experimental Safety Assessment Form End-of-Experiment Form Argonne Guest House Online APS Safety Training Useful Info Transmission Calc Absorption of Detector Gases Physical Constants Argonne Research Library X-ray Data Booklet X-ray Properties Periodic Table Other Links of Interest 12-ID-C User Webpage SPEC Manual