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 dicamba 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 decrease the tolerance on corn grain to 0.1 ppm and revise the tolerance from corn grain to corn field grain and corn pop grain each at 0.1 ppm. epa is proposing in to increase the tolerances on oat grain to 2.0 ppm millet proso grain to 2.0 ppm oat straw to 30.0 ppm millet proso straw to 30.0 ppm and establish tolerances on rye grain at 2.0 ppm and rye straw at 30.0 ppm. epa is proposing to increase the tolerances on oat forage and wheat forage each to 90.0 ppm increase the tolerances on oat hay and wheat hay each to 40.0 ppm and establish tolerances on millet proso forage at 90.0 ppm rye forage at 90.0 ppm and millet proso hay at 40.0 ppm. epa is proposing to increase the tolerances on sorghum grain grain to 4.0 ppm and sorghum grain stover to 10.0 ppm. epa is proposing to decrease the tolerance on cotton undelinted seed to 0.2 ppm and revoke the tolerance on cotton meal. epa is proposing to increase the tolerances on cattle fat goat fat hog fat horse fat and sheep fat each to 0.3 ppm on cattle kidney goat kidney hog kidney horse kidney and sheep kidney each to 25.0 ppm revise the terminology and increase the tolerances on cattle meat byproducts except kidney goat meat byproducts except kidney hog meat byproducts except kidney horse meat byproducts except kidney and sheep meat byproducts except kidney each to 3.0 ppm increase the tolerances on cattle meat goat meat hog meat horse meat and sheep meat each to 0.25 ppm decrease the tolerance on milk to 0.2 ppm and revoke the separate tolerances on cattle liver goat liver hog liver horse liver and sheep liver. epa is proposing to increase the tolerance on soybean hulls to 30.0 ppm. epa is proposing to decrease the tolerance on grain aspirated fractions to 1 000 ppm