proposed rule aldicarb ametryn 2 4-db dicamba dimethipin disulfoton diuron et al. proposed tolerance actions this notification announces a proposed rule that existing epa tolerances for residues of diuron in or on the following commodity ies be established at or changed to the following values in parts per million ppm or be eliminated as indicated below epa is proposing to revise the nomenclature for alfalfa to read alfalfa forage and alfalfa hay and to increase the tolerance on alfalfa forage to 3.0 ppm. epa is proposing to decrease the tolerances on apple to 0.1 ppm cotton undelinted seed to 0.2 ppm grape to 0.05 ppm pineapple to 0.1 ppm pea to 0.1 ppm and revise the tolerance nomenclature for pea to pea field seed sorghum grain grain to 0.5 ppm sugarcane cane to 0.2 ppm wheat grain to 0.5 ppm and wheat straw to 1.5 ppm. epa is proposing to decrease the tolerance on barley grain to 0.2 ppm and establish a tolerance on barley straw at 1.5 ppm. epa is proposing to establish the tolerances for grain aspirated fractions at 5.0 ppm and wheat bran at 0.7 ppm and for barley bran at 0.7 ppm. epa is proposing to decrease the tolerance on clover forage to 0.1 ppm and clover hay to 1.0 ppm. epa is proposing to decrease the tolerances on oat grain to 0.1 ppm and oat straw to 1.5 ppm. epa is proposing to decrease the tolerances on trefoil forage and trefoil hay to 0.1 ppm and 1.5 ppm respectively. epa is proposing to decrease the tolerances on vetch forage and vetch hay to 0.1 ppm and 1.5 ppm respectively. epa is proposing to revoke the individual tolerances on blackberry blueberry boysenberry currant dewberry gooseberry huckleberry loganberry and raspberry and establish a tolerance on berry grou 13 at 0.1 ppm. epa is proposing to revise the tolerance on fruit citrus to fruit citrus grou 10 except lemon and decrease it to 0.05 ppm and establish a tolerance on lemon at 0.5 ppm. epa is proposing to revoke the tolerance on citrus dried pul and establish a tolerance on citrus oil at 3.0 ppm. epa is proposing to establish a tolerance for pineapple process residue at 0.4 ppm. epa is proposing to establish a tolerance for sugarcane molasses at 0.7 ppm. epa is proposing to revoke the tolerance on nut and establish tolerances on hazelnut at 0.1 ppm and nut macadamia pecan and walnut each at 0.05 ppm.