Faltan (Folpet),a widely used dicarboximide fungicide,induces tumors in the mouse gastrointestinal tract,primarily in the duodenum,and is also cytotoxic effect on human bronchial epithelial cells.

Sub-confluent 16HBE14o- plated on collagen-coated 60 mm dishes were exposed to Folpan 80WG particles corresponding to 0, 1.85 and 3.70 g/cm^2 folpet (0, 10 and 20 μM) for 2, 4 and 24 h in RPMI-1640 medium w/o phenol red , w/o FCS, supplemented with 1% l-glutamine (200 mM), 1% penicillin (10^4 U/ml), 1% streptomycin (10 mg/ml) and 1% fungizone (25 μg/ml)[1].