1-(3,4-Dichlorophenyl)urea, 10 µg/ml, Acetonitril

1-Hydroxyibuprofen, 10mg

4 Deuterated Compounds Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 16.7 Naphthalene-d8 8.8 Ethylbenzene-d10 16.5 Toluene

Phorate sulfone, 1000µg/ml in Acetonitrile, 1ml