C27/C28 Diaromatic steranes, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 110100-53-3 / 369364-82-9

PIONA Mix 1 - Aromatics 37 Aromatics with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1300.6 Benzene 3.1 1268.8 Ethylbenzene

Dimethipin, 100 µg/ml, Methanol, 1ml

Triethyl phosphate-d15, 1.2ml x 50ug/ml, toluene