The document discusses extracting caffeine from tea waste. It outlines a procedure to boil tea bags in water and sodium carbonate, then extract the caffeine using methylene chloride in a separating funnel. It then provides additional context about caffeine, including that it is a stimulant found naturally in tea leaves and coffee beans. It notes some common uses of caffeine to stay awake or enhance sports performance and energy drinks. Finally, it discusses packaging options for liquid and powder caffeine and provides some facts about caffeine content in different coffees.