pH 10.0 Standard @ 25°C

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

cis-Chlordane, 10.0 µg/ml, Ethyl acetate, 10ml

PCB 30, 10µg/ml in Cyclohexane, 5ml