Modified 525.2 Pesticide Standard #1

1,2,3,4-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml

PIONA Mix.1 - Isoparaffins 36 Isoparaffins with varying Wt.% as listed below; units: 0.1mL, 0.5mL neat. Chiron No. Name: Wt.% Chiron No. Name: Wt.% 1231.5 2-Methylbutane

1,3,6,8-Tetrachloro-9H-[13C12]carbazole, 1.2ml x 50ug/ml, nonane