| Reference Tank |
CO2 (ppm) |
CO (ppb) |
CH4 (ppb) |
Pressure (psi)/ Date |
| CA06343 |
339.41 |
1900
(9/2010) |
||
| CA05669 |
382.61 |
1900
(9/2010); 1300 (5/2013) |





