2,6-D, 10.0 µg/ml, Acetonitrile, 10ml

Sampling Standard Solution, in Nonane/1.6% toluene, 1,2ml

PCB No. 77, 10µg/ml in Isooctane, 10ml

D8-N-Nitrosomorpholine, 1000 µg/ml, D4-Methanol,