USE DATA FROM PERIOD: 335.952 367.000 CYLINDER POSITIONS (UNKNOWN=0, CO2 AND O2 KNOWN=1, CO2 ONLY KNOWN=2, DO NOT USE=8, EMPTY=9): 1 0 2 1 3 0 4 9 5 1 6 0 7 1 8 1 9 0 10 0 11 1 12 1 13 9 NOTES: Unknowns Pos ID Description 1 CA07280 CO2 Secondary 3 CA07260 CO2 Secondary 6 CA07299 CO2 Secondary 9 CA07288 CO2 Secondary 10 CA07276 CO2 Secondary Knowns Pos ID CO2 O2 Description 2 ND19681 NA NA Primary 5 ND20887 NA NA Primary 7 ND19273 NA NA Primary 8 ND19529 NA NA Primary 11 ND19517 NA NA Primary 12 ND20050 NA NA Primary Working Tank CA06631 - Yearly run of CO2 secondaries vs. primaries - Vented immediately before running