LIBS - Laser-Induced Breakdown Spectroscopy - and TRELIBS - Time REsolved Laser-Induced Breakdown Spectroscopy - are relatively new techniques for obtaining analytical emissions from solid, liquid and gaseous samples. A pulsed laser is focused on the surface of a solid or liquid sample or focused in a gaseous sample, creating a transient plasma. Sample analytes emit characteristic radiation for upwards to tens of micro-seconds. The event is monitored spectrophotometically using LIBS, where the whole event is analyzed, or by TRELIBS, where the time resolution of the plasma event is analyzed.