Milbemectin A4, 10.0 µg/ml, Acetonitrile, 10ml

2,3,7,8-Tetrachlorodibenzo-p-dioxin

n-Heptane-d16, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33838-52-7

Mass-Labelled PCB Internal/Recovery Standards, 1.2ml, nonane