---

The NCSU Stable Isotope Lab (SIL), located in Jordan Hall on the North Carolina State University Campus, has been in operation for over 15 years. This facility houses numerous analytical devices and scientific instruments, and is the permanent home of a Finnigan Mat 251 Ratio Mass Spectrometer and a Finnigan Mat Delta Plus XL Mass Spectrometer. Numerous faculty, students and technicians use this facility on a annual basis to prepare and analyze a variety of sediments, liquids and gases for analysis on the mass spectrometers.