Coumaphos, 1000µg/ml in MeOH, 1ml

p,p'-(13C12)Methoxychlor, 100µg/ml in Nonane, 1,2ml

2,4,5-Trimethylphenol, 100 µg/ml, Acetonitrile,

Picene, 50 µg/mL in Toluene, 1ml