Chlorpyrifos applied to California citrus: residue levels on foliage and on and in fruit.
D002140:California; D004390:Chlorpyrifos / Q000032:analysis*; D002957:Citrus / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*
D010573:Pesticide Residues; D004390:Chlorpyrifos