Table D.3 Mass balance for filtering of pendimethalin solutions. % relative to control Filter Solution Filtrate Filter Total GF-F low concentration 80.8% 13.1% 94% GF-F medium concentration 74.3% 13.3% 88% GF-F high concentration 98.8% 17.2% 116% CA low concentration 1.8% 130.2% 132% CA medium concentration 11.2% 118.9% 130% CA high concentration 16.3% 169.0% 185% PC low concentration 0.0% 122.7% 123% PC medium concentration 6.8% 106.2% 113% PC high concentration 15.8% 115.4% 131%