Perfluoro-n-[13C8]octanoic acid, 50µg/ml in MeOH, 1,2ml

Iprobenfos, 10 µg/ml, Ethyl acetate, 10ml

PCB 138, 10.0 µg/ml, Isooctane, 10ml

PIONA Mix.1 - Paraffins 11 n-Paraffins with varying Wt% as listed below; units: 0.1mL, 0.5mL neat. Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1299.5 n-Pentane 13 1131.11 n-Undecane 7 1232.6 n-Hexane 12 1132.12 n-Do