Qty 3 Gasco Calibration Gas Cylinder Methane Oxygen Nitrogen Hydrogen Sulfide

Description

Qty 4 gas cylinders.
Please note:  We do not know how much gas, if any, are in these cylinders.
See photos of paper work for more detailed information
1st
Methane                  1% vol (20% LEL)                0.998% vol.
Oxygen                    20.9% vol                             20.9% vol
Nitrogen                   Balance                               Balance
2nd and 3rd
Zero air (THC<0.1 PPM)
Oxygen                    20.9% vol                            20.9% vol
Nitrogen                   Balance                              Balance
4th
Hydrogen Sulfide     25 PPM                              26 PPM
Nitrogen                   Balance                              Balance
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wme A-1-G unboxed un-tagged