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.
Ammonia (ammonium hydroxide) is commonly used as an ingredient in household cleaning supplies, such as glass and surface cleaners, disinfectant aerosol sprays, and jewelry cleaning solutions. When it is exposed to the open air, it turns into a gas with a distinct sharp smell.mmonia (ammonium hydroxide) is commonly used as an ingredient in household cleaning supplies, such as glass and surface cleaners, disinfectant aerosol sprays, and jewelry cleaning solutions. When it is exposed to the open air, it turns into a gas with a distinct sharp smell.