The Importance of Water and the Hydrologic Cycle Essay

The Importance of Water and the Hydrologic Cycle - Essay ExampleNRDC arranged to test 1000 portable water bottles comprising of 103 brands useable in the US market. NRDC conducted a detailed investigation that lasted for four years. Usually, producers of the bottled water maintain that their products are free of any chemical contaminants. Some of the samples collected were strand to be contaminated with E-coli Bacteria, Arsenic, Nitrate, chloroform, phthalates, and some other kinds of bacteria that can cause serious illnesses to those who consume it. Infection with E-Coli bacteria can cause diarrhea, and vomit to children, decrepit people and those who body immune system is weak. Substances such as Arsenic are considered carcinogenic and can lead to nervous, skin and reproductive issues. Nitrate interferes with bloods atomic number 8 intake ability, especially in infants. Nitrates also increase cancer risk. The substance such as chloroform can cause cancer of the pancreas, colon i t whitethorn also cause miscarriage or birth defects in newborns (NRDC, 2013).NRDC clarifies that not all brands were contaminated with harmful substances. Almost 25% of the bottled water, with at least nonpareil sample tried and true of each brand, was found to be violating state standards. Some of them were comparable to tap water however, NRDC clarifies that these brands are not without risk because most brands were tested only a few times NRDC has called their tests as snapshot tests. It is also likely that source water quality due to different surface water sources varies importantly time to time.