Did you know that chain link fences, Van Gogh paintings, trombones, multivitamins, rat poison, and cigarette filters all have something in common? That's right – zinc. Zinc is a common industrial pollutant, and is the subject of the February 2017 edition of The Rain Events. Listen as we interview Rosa and Kevin from McCampbell Analytical Laboratory to find out the science behind zinc, and how it is analyzed in the lab.