Chemkey parameters available for the Hach SL1000 Portable Parallel Analyzer (PPA) have been expanded to include hardness, alkalinity, orthophosphate and iron. The  platform offers faster testing of multiple parameters, reduced variability from test to test and operator to operator, and less hassle. It is able to test up to four colorimetric and two probe-based parameters simultaneously, delivering field analysis in as little as 10 minutes. 800/227-4224; www.hach.com.