1 If you were born in the United States: Normally you were a U.S. citizen at birth.1 (Including, in most cases, the Commonwealth of Puerto Rico, the territories of Guam and the U.S. Virgin Islands, and after November 4, 1986, the Commonwealth of the Northern Mariana Islands),  If you were born abroad to TWO U.S. citizens:
Chloramines are a type of combined chlorine that form in water and then off gas into the air above the water. Most city, county, and state health departments limit the amount of combined chlorine in the water to 0.4 ppm or less. Chloramines can build up in the water, which means they can build up in the air if there is not enough fresh air surrounding pools and other places people swim in chlorinated water .
Chloramine, or NH2Cl, is commonly used in low concentrations as a secondary disinfectant in municipal water distribution systems as an alternative to free chlorine chlorination. Chloramines are disinfectants used to treat drinking water. Chloramines are most commonly formed when ammonia is added to chlorine to treat drinking water. The typical purpose of chloramines is to provide longer-lasting water treatment as the water moves through pipes to consumers.