What is the crisis?
What is happening now?
What are the # of grams in 1 L of water that has 13,000ppb lead, 5,000ppb, 5ppb, and 0 ppb. Graph the safe levels, levels of concern, toxic waste level, and flint.
Lead Health Affects: https://youtu.be/hqnaq2Vn-CA
EPA's thoughts about lead in tap water & medical conditions as a result of lead in tap water. What are considered the "safe" levels of lead in tap water?