Available from !%Millipore Corp.%!, the “Analytical Sample Preparation” catalog highlights the company’s filtration and purification products for removing contaminants prior to instrument analysis. Among the items presented are air- and liquid-monitoring systems and kits; laboratory water purification systems; syringe filters and ready-to-use filter units; and membrane filters, holders and accessories. The publication features a Regulated Methods and Applications Guide to Millipore products that match membranes or apparatus specified in the methods from OSHA, ASTM and NIOSH (National Institute for Occupational Safety and Health). A filter selection guide also is included.