The number of weeks your baby was premature: 6 weeks. Subtract the number of weeks premature from the chronological age: 20 weeks minus 6 weeks equal 14 weeks. 14 weeks is your baby's adjusted age.
The use of chemical fertilizer containing anhydrous ammonia can lead to exposure. Outdoor exposure to high levels of anhydrous ammonia can result from leaks and spills at production plants and storage facilities, and from pipelines, tank trucks, railcars, or ships and barges that transport ammonia.
Ammonia. Ammonia is a colorless gas which has a strong irritating and very alkaline in nature. Ammonia is used in industry as a refrigerant and in the manufacture of fertilizers such as ammonium nitrate and ammonium sulfate. Domestically, ammonia is widely used as a cleaning agent.The chemical formula for ammonia molecule is NH 3. One nitrogen atom is covalently bonded to three hydrogen atoms.mmonia. Ammonia is a colorless gas which has a strong irritating and very alkaline in nature. Ammonia is used in industry as a refrigerant and in the manufacture of fertilizers such as ammonium nitrate and ammonium sulfate. Domestically, ammonia is widely used as a cleaning agent.