A tolerance of 0.7 part per million is established for N -methyl-1,3-propanediamine (MAPA, marker residue) in the liver (target tissue) of cattle and goats. A tolerance for residues of morantel tartrate in milk is not required.
    
    
        
            Code of Federal Regulations
        
        [59 FR 17922, Apr. 15, 1994]