25-Hydroxyvitamin D2-[d3], 50μg/ml, 1ml

D5-PCB 116, 10.0 µg/ml, Isooctane, 1ml

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Pyrimidifen, 100 µg/ml, Acetonitrile, 1ml