Chemicals released in 2011: 56,281 total pounds, including ammonia (16,810 pounds), nitrate compounds (12,771 pounds), manganese compounds (12,700 pounds) and zinc compounds (10,140 pounds).

If nitrite is present in the media, then it will react with nitrate I and nitrate II to form a red compound. This is considered a positive ... In order to determine which of the preceding is the case, ...