The Epsilon 5 instrument employs a tunable excitation strategy which includes multiple secondary targets and the ability to generate 100 KeV excitation. In addition it has a polarized optical path which results in low backgrounds. Both loose-powder and pressed-powder (pellets) have been analyzed using the measurement conditions listed below. Loose-powders were measured under a helium atmosphere while the pellets were measured under vacuum. All elements were measured using measurement conditions described in Table 1 for 300 seconds (5 minutes) live time (the detector active-time). A maximum dead time of 50% was employed translating to an approximate average 8 minute measurement per measurement condition.