TABLE 3C TOTAL GAMMA AND ZR-95 CONCENTRATIONS IN OCTOBER 9p - IL ALTITUDE 18.3 KM SAMPLE NO. FLIGHT NO. DATE TIME LAT. LONG. VOL. OF AIR {100 SCM} GROSS GAMMA/ M/100 SCM COUNT DATE ZR~-95 2608 289 10/12/69 1853-1919 268-295 fiW- 69W 2293 2611 286 10/15/69 1338~-1405 26$~29% Tiw- 69W 2-99 570- 632. 11/18/69 11/18/69 112 107 A:COUNTING ERROR IS 20-50 PERCENT B:COUNTING ERROR IS 51-100 PERCENT ?2DATA SUSPECT 2609 289 10/12/69 1919-1941 298~325 69W- 68W 2248 2D 11/18/69 PC/100 SCM * * 2NOT DETECTABLE 2563 289 10/15/69 1633-1706 298-3358 69W- 58W 3281 3626 12/01/69 63 1969