Ethion, 1000µg/ml in MeOH, 1ml

C20Triaromatic sterane/C26Triaromatic sterane C20 Triaromatic sterane (0857,20)/ C26 Triaromatic sterane (0854,26) = 1:3 (0,33) 50 + 150 µg/mL in isooctane, 1mL pr. vial

Nitrobenzene, 1000µg/ml in MeOH, 1ml

Dow FR-250, 35 µg/mL in Isooctane, 1ml