Two Letters Re: Cost-Effective Emergency Water Treatment
Jim, Having been a small municipal water system operator in Upstate New York, I have some experience with basic water treatment. The link provided in ” Chris in West Virginia’s” article is sound in regard to using Sodium dichloro-s-triazinetrione. One would want to use a test kit to measure residual chlorine in the water and maintain the level between 0.3 and 1ppm after initial treatment. To treat water, chlorine is added until the level is at least 0.5ppm after an one hour contact time. It is critical that the chlorine have time to interact with the water and some method …