USE DATA FROM PERIOD: 190.845 367.000 CYLINDER POSITIONS (UNKNOWN=0, CO2 AND O2 KNOWN=1, CO2 ONLY KNOWN=2, DO NOT USE=8, EMPTY=9): 1 9 2 1 3 9 4 0 5 1 6 0 7 9 8 0 9 1 10 9 11 1 12 1 13 9 NOTES: Unknowns Pos ID Description 4 OK30057 AO2 6 OK30053 AO2 8 OK170199 AO2 Knowns Pos ID CO2 O2 Description 2 CC129293 NA NA BB Secondary 5 CC129307 NA NA BB Secondary 9 CC129295 NA NA BB Secondary 11 CC129281 NA NA BB Secondary 12 CC129271 NA NA BB Secondary Working Tank CA01487 - second run since fill for AO2