LIST OF TABLES Table p 2-1 Oxidation power for various species relative to chlorine. ......................................6 2-2 Characteristics of Degussa P25 Titanium Dioxide............................. ............... 4-1 Peak absorbance w avelengths ................................................................... ....... 30 4-2 Exhaustion (C/Co = 1) times (minutes) for column studies. ................................46