D3-3-(Methylphosphinico)propionic acid, 100 µg/ml,

C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5?(H),10ß(CH3)),10 µg/mL,isooctane,1mL,

Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane