## Purge Gas Certification Log

Log No.: ____

| Date | Serial #/ Lot# | Certificate #/ Batch | Minimum % Purity | Maximum Purity(PPM) | Moisture(H20) | Oxygen(O2) | Nitrogen(N2) | Hydrocarbons(THC) | Approved(Y/N) | Inspect.Initials |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|  | Acceptance Criteria |  | ≥99.998% | ≤3.5 | ≤2.0 | ≤10.0 | ≤0.5 |  |  |  |
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