Table D.2 Mass balance for filtering of ioxynil solutions. % relative to control Filter Solution Filtrate Filter Total GF-F low concentration 102.5% 2.5% 105% GF-F medium concentration 96.1% 2.9% 99% GF-F high concentration 86.9% 3.4% 90% CA low concentration 92.9% 7.5% 100% CA medium concentration 97.7% 4.0% 102% CA high concentration 81.6% 20.8% 102% PC low concentration 101.5% 1.6% 103% PC medium concentration 101.9% 1.1% 103% PC high concentration 95.1% 1.0% 96%