7. Use the Fujimoto method to determine the BOD reaction rate constant: BOD, = 0;BOD1 = 65; BOD2 = 109; BOD3 = 138; BOD4 = 158; BOD5 = 178; BOD6

= 190;BOD, = 200; BOD3 = 205; BOD, = 210; BOD10 = 212 mg/L.