In a hot summer day, I was in a supermarket trying to find some sparkling water to kill my thirst. Stopped in front of different brands of bottled water, I was confused. There were so many labels of pure springs and ice water that almost convinced me the liquid inside these bottles is the purest drink around. But then, a thought hit my mind: labels could be misleading, or sometimes deceptive. I remember in one case, water coming from a well located near a hazardous waste site was sold and labelled as “spring water.” I withdrew my hand from these bottles and decided to find out the best water solution.…