Given its ability to exist in almost every media, soil, air, food and water, the metal may occur almost everywhere in our environment (EPA). That in combination with its long latency period and ability to diffuse from mother to offspring makes finding the source difficult to detect. Although lead may naturally contaminate water without human involvement, the majority of lead contaminations are a result of industrial work, many of which were discussed earlier. In the past, lead may have occurred in water due to gasoline, smelting and other industry byproducts, paint, glassware, metal pipes, food containers, solders, batteries, ammunition, cosmetics, and old pesticides (PSU). Many of those sources are now banned but they are still present in
