Equipment and Calibration History

History for Luxfer NOAA-CMDL CA04951

Rec No.	Date	Loc From	Title	Loc To	Notes
7285	2025-05-30	Lab none	Shipped	Factory none	Brian Wang from Ameriflux pick up our three big tanks and their four small tanks recovered from USGS. It will take about three months for Ameriflux to fill our tanks with 550 ppm CO2, 4 ppb CH4.
7281	2025-05-22	Lab none	Maintenance	Lab none	Hydrotested at Bay Cities Pyrotector in Emeryville. The cost was $80 each and I paid with credit card on pickup. I dropped the cylinder off during the week and they were ready a few days later. Next test due in May 2030.
2913	2006-10-30	Factory	Calibration	Factory	Calibrated at NOAA-CDML to WMO standards: 2240.76ppm CO2 SDEV 0.08ppm. Document on file
2247	2001-03-01	Factory	Tested	Factory	Original hydrostatic test 03A01 (March 2001). Next due March 2006.