31. Guaiol yields a deep purple color when treated with electrophilic bromine reagents. 32. Sulfur dibromide readily decomposes into S 2 Br 2 and elemental bromine . 33. Since 1969, all US bromine has been produced from subsurface brine. 34. Underground sources of bromine -rich brines are associated with halite deposits. 35. For many years the Michigan Basin was the leading producer of bromine . 36. In 1940, companies began extracting bromine from the brine. 37. The first bromine extraction plant in Arkansas opened in 1957. 38. The company processes bromine into a huge variety of industrial and consumer products. 39. The ozone destruction is caused by pollution from compounds containing chlorine or bromine . 40. The ozone is damaged by chlorine and bromine compounds released by industrial products.
