CALFAC RESULTS

Cylinder = ND12480

PROCESSED Mon Jul 20 04:34:23 PM MDT 2026

Using data from 040526 to 260715


Absolute Values
 Relative Values
 X-Y Plots

Most recent pressure = 1200 psig, recorded on #2026-07-15#

Cylinder info:

ID,Size,Valve,CGA,Thread,Seal,Valved by,Origin,Valve Date,Last Hydro,Owner,Dip Tube,Notes
ND12480,265,Ceodeux,580,taper,NA,TBD,Scott-Marrin via SIO,2000,Feb-08,NCAR,No,

All calfac_fill_plus.csv entries:

Date,ID,Fraction Real Air,Filled or Spiked by,Source,Notes,Picarro CH4 in ppm
080429,ND12480,0,SMI,Zero Air,,
120719,ND12480,,"Originally filled by duane, but somehow became an L",,See Line 296 - 7,
120801,ND12480,1,NOAA,NWR Air,email,
121101,ND12480,,NCAR,Spiking to make it an L,"Transfac, p 40",
180214,ND12480,1,NOAA,NWR Air,"210629: 35 psi, ready for refill",

All Cal Runs:

(Run, Pos, SIO_CO2, SIO_CO2_sigma, SIO_CO2_slope, GMD_CO2, GMD_CO2_sigma, GMD_CO2_slope, CO2_n, d(O2/N2), d(O2/N2)_sigma, d(O2/N2)_slope, d(O2/N2)_n)
260714a   401.98 WT 0.031 -0.326 402.014 0.031 -0.329 60 915.42 8.24 -87.12 60 Notes (WT)
260616a   401.948 WT 0.022 -0.162 401.805 0.021 -0.158 72 927.1 11.5 -87.45 72 Notes (WT)
260612a   403.739 WT 0.01 0.249 403.549 0.009 0.243 24 NA NA NA NA Notes (WT)
260611a   402.07 WT 0.01 -0.068 401.925 0.01 -0.066 72 918.25 10.85 -72.09 72 Notes (WT)
260608a   402.047 WT 0.015 -0.151 401.902 0.014 -0.147 60 921.21 3.08 -12.84 60 Notes (WT)
260603a   403.6 WT 0.021 0.722 403.487 0.017 0.554 19 NA NA NA NA Notes (WT)
250722a   404.804 WT 0.032 0.669 404.713 0.032 0.653 31 NA NA NA NA Notes (WT)
250721b   405.367 WT 0.008 0.19 405.262 0.008 0.185 20 NA NA NA NA Notes (WT)
250618z   403.323 WT 0.044 0.879 403.238 0.043 0.86 31 -421.84 3.77 -78.12 31 Notes (WT) (not used here)
250605a   402.655 WT 0.003 0.025 402.694 0.003 0.023 40 1200.45 1.37 14.85 40 Notes (WT)
250522a   402.677 WT 0.005 0.031 402.715 0.005 0.035 84 1216.64 2.78 -18.71 84 Notes (WT)
250515b   402.661 WT 0.007 0.054 402.698 0.009 0.065 84 1231.73 3.46 -5.06 84 Notes (WT)
250507a   402.365 WT 0.01 0.057 402.403 0.011 0.063 108 1886.35 6.77 -29.82 108 Notes (WT)
240829b   405.184 WT 0.052 0.864 405.224 0.046 0.761 36 NA NA NA NA Notes (WT)
230920b   402.34 WT 0.004 -0.027 402.383 0.005 -0.035 72 957.34 3.42 -22.41 72 Notes (WT)
230912a   402.251 WT 0.004 0.033 402.295 0.004 0.027 60 378.89 1.28 -7.16 60 Notes (WT)
230907a   402.312 WT 0.006 -0.026 402.355 0.005 -0.028 72 965.22 2.78 1.24 72 Notes (WT)
230323a   401.988 WT 0.007 0.059 402.127 0.007 0.058 72 655.72 1.78 -5.37 72 Notes (WT)
230320a   401.983 WT 0.012 0.087 402.123 0.012 0.085 72 658.79 3.3 -23.61 72 Notes (WT)
230314b   401.954 WT 0.008 0.054 402.093 0.008 0.053 84 662.77 0.63 -0.97 84 Notes (WT)
220728b   403.798 WT 0.015 0.09 404.316 0.014 0.087 72 NA NA NA NA Notes (WT)
220728a   404.867 WT 0.006 0.077 405.341 0.006 0.074 48 NA NA NA NA Notes (WT)
220228a   404.272 WT 0.008 0.094 404.182 0.007 0.093 48 -680.82 0.17 0.37 48 Notes (WT)
211216b   405.172 WT 0.003 0.02 405.065 0.003 0.019 48 -686.37 0.3 3.39 48 Notes (WT)
210930a   405.2 WT 0.006 0.044 405.093 0.006 0.043 72 -683.06 0.44 -3.77 72 Notes (WT)
210927b   405.462 WT 0.006 0.029 405.349 0.006 0.029 60 -680.5 0.09 0.08 60 Notes (WT)
121106a   443.724 11 0.043 0.262 442.677 0.041 0.255 4 -816.45 0.46 6.03 4 Notes
120905a   394.238 1 0.017 0.093 394.343 0.017 0.091 5 -547.5 1.07 3.09 5 Notes
080529b   392.143 7 0.016 0.153 392.282 0.016 0.151 3 -810.67 2.21 34.73 3 Notes
050613a   330.139 2 0.016 0.056 330.08 0.016 0.056 5 -85.59 0.2 1.1 5 Notes
050608c   330.145 2 0.026 0.235 330.086 0.025 0.226 5 -85.47 0.54 -0.84 5 Notes
050607a   330.137 2 0.014 -0.049 330.079 0.014 -0.05 6 NA NA NA NA Notes