D3-Alachlor, 100 µg/ml, Acetone, 1ml

2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml

2-Isopropyl-6-methyl-4-pyrimidinol, 250mg