CO2 concentration derived using Zhacos data
Time(MyBP)   CO2(ppm)
     .2500     223.0
     .7500     226.6
    1.2500     242.7
    1.7500     247.4
    2.2500     255.0
    2.7500     269.9
    3.2500     290.5
    3.7500     298.3
    4.2500     303.5
    4.7500     299.0
    5.2500     312.9
    5.7500     302.0
    6.2500     311.9
    6.7500     316.6
    7.2500     316.4
    7.7500     318.5
    8.2500     313.5
    8.7500     318.0
    9.2500     318.4
    9.7500     325.3
   10.2500     330.7
   10.7500     339.2
   11.2500     340.0
   11.7500     345.5
   12.2500     353.4
   12.7500     356.6
   13.2500     379.6
   13.7500     385.2
   14.2500     419.7
   14.7500     436.3
   15.2500     441.1
   15.7500     428.8
   16.2500     424.7
   16.7500     415.6
   17.2500     380.1
   17.7500     382.9
   18.2500     389.6
   18.7500     381.1
   19.2500     369.1
   19.7500     388.0
   20.2500     406.4
   20.7500     391.2
   21.2500     400.0
   21.7500     422.8
   22.2500     403.4
   22.7500     384.5
   23.2500     392.4
   23.7500     419.0
   24.2500     439.9
   24.7500     438.4
   25.2500     435.9
   25.7500     409.3
   26.2500     412.2
   26.7500     385.4
   27.2500     362.9
   27.7500     352.3
   28.2500     358.9
   28.7500     362.7
   29.2500     366.9
   29.7500     374.7
   30.2500     359.8
   30.7500     353.8
   31.2500     366.6
   31.7500     371.6
   32.2500     364.4
   32.7500     357.9
   33.2500     335.5
   33.7500     417.3
   34.2500     449.3
   34.7500     460.9
   35.0000     460.0