The new Casella VOCpro gas monitor measures the concentration of volatile organic compounds in the air using a standard 10.6 eV ultraviolet lamp that can detect concentrations ranging from 0.5 to 2,000 ppm. An optional 11.3 eV lamp extends measurement capabilities to include chlorinated compounds. Full datalogging is available, and up to 15,000 data samples can be saved.Casella USA, Amherst, NH.