GCN Circular 13259
I.A. Smith (Rice U.), R.P.J. Tilanus (JAC), N.R. Tanvir (U. of Leicester), D.A. Frail (NRAO) report: We observed the counterpart to GRB 120422A (Troja et al., GCN Circ. 13243) using the SCUBA-2 sub-millimeter continuum camera on the James Clerk Maxwell Telescope. The observation started at 07:53 UT on 2012-04-22, corresponding to 41 minutes after the burst trigger. Exposures totaling 1.5 hours were made in moderate weather conditions. No source was detected, with a preliminary RMS of 2.8 mJy at 850 microns. We thank William Montgomerie for his prompt support of these observations.