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.
Everyone is regularly exposed to low levels of ammonia in air, soil, water, and food. You can be exposed to higher levels of ammonia by breathing it or having skin contact with it. At home, you can be exposed if you use products that contain ammonia, including window cleaners, floor waxes, and smelling salts.If you work on or live near a farm, you can breathe ammonia in the air if the farm uses ammonia fertilizers.t home, you can be exposed if you use products that contain ammonia, including window cleaners, floor waxes, and smelling salts. If you work on or live near a farm, you can breathe ammonia in the air if the farm uses ammonia fertilizers.