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In 2001, ESS/CGECR researchers Ellen Druffel, John Southon and Susan Trumbore were awarded million by the W. Keck Foundation for the development of an accelerator mass spectrometry (AMS) facility – the Keck-Carbon Cycle AMS facility - for radiocarbon measurements in support of carbon cycle research at University of California, Irvine.

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Purdue University has contributed over $0.5 million to start up the facility and to match grants from outside the university.

Funds to upgrade the accelerator and AMS system were provided by grants from the W. Keck Foundation ($0.75 million and $0.5 million) and the National Science Foundation/Academic Research Infrastructure Program ($1.5 and $1.2 million).

Changes in atmospheric CO clearly must be explained by repartitioning of carbon among these three reservoirs.

However, scientists do not yet fully understand the fundamental processes controlling this carbon “cycle”.

Scientific projects involving AMS measurements and further development of the technique of AMS are the primary activities at PRIME Lab.

Additional research involves collaborations among members of the Purdue Departments of Physics, Earth and Atmospheric Sciences, Chemistry, Agronomy, Foods and Nutrition, and Vetinary Science, and Pharmacy.The PRIME Lab building on the Purdue campus contains 31,000 sq ft of floor space with 14 offices and 16 laboratories.New chemical preparation laboratories (1,070 sq ft) have been constructed in the Chemistry building.Also, we collaborate with many scientists from other institutions.PRIME Lab is based on an upgraded FN (nominal 8 MV) tandem electrostatic accelerator.Radiocarbon is the best and often the only way to quantify rates of exchange of carbon among reservoirs.

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