| Date: |
2010-06-16 |
| From: |
Twitchell Rice - Gas Analyzer CH4 |
| To: |
Twitchell Rice - Gas Analyzer CH4 |
| Title: |
Calibration |
| Notes: |
Clibrated in the field with grade 5.0 ultra pure N2 and 3.276ppm CH4 secondary standard.
zero before: ~0.009 ppm
zero after: ~0.000 ppm
span before: ~3.333 ppm
span after: ~3.277 ppm
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| Entered by: |
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