The Final Demand-Intermediate Demand (FD-ID) system replaced the Producer Price Index (PPI) Stage-of-Processing (SOP) system as PPIs primary aggregation system with the release of data for January 2014. The FD-ID system expands coverage beyond that of the SOP system through the addition of services, construction, exports, and government purchases.
Ammonia Levels. Ammonia Levels. Ammonia smell in urine means possible health dangers, especially to rabbits. But here's a way to reduce or eliminate ammonia fumes and levels safely and easily.mmonia Levels. Ammonia smell in urine means possible health dangers, especially to rabbits. But here's a way to reduce or eliminate ammonia fumes and levels safely and easily.
Highlights. Ammonia is found throughout the environment in the air, soil, and water, and in plants and animals including humans. Exposure to high levels of ammonia can cause irritation and serious burns on the skin and in the mouth, throat, lungs, and eyes.At very high levels, ammonia can even cause death.ighlights. Ammonia is found throughout the environment in the air, soil, and water, and in plants and animals including humans. Exposure to high levels of ammonia can cause irritation and serious burns on the skin and in the mouth, throat, lungs, and eyes.