MCPA-d3,100 µg/mL,acetone,1mL,

Mesosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m

Tris(2-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,