Station Location YAG 40 Detector Type & Number END OF SIO-P BOOM NYO-—M (R/HR )} VRAIN OBSERVED IONIZATION RATE BAG REMOVED FROM DETECTOR LIMIT OF CALIBRATION 10 20 30 40 TIME SINCE DETONATION 50 (HR) Figure B.10 Surface-monitoring-device record, YAG 40, Shot Flathead. 301 60 70