Disulfoton-sulfone, 100 µg/ml, Toluene, 1ml

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9

Ceftiofur sodium, 100mg