Testing for Radon by Alex Wilson FOCUS ON ENERGY Concern about radon gas has mushroomed with the government recommendation last September that every American home be tested for the gas. Builders, remodelers, and general contractors should be able to respond to this concern by conducting or overseeing testing and, if necessary, mitigation. An understanding of the options available is essential. This column will focus on radon testing and test products. Radon mitigation was covered in the October 1987 issue of NEB, and an upcoming column will focus on p roducts used for radon mitigation work. From Simple to Sophisticated Techniques for measuring radon levels range from quite simple to those requiring sophisticated and expensive equipment. To understand how these various products work, we have to know