Endosulfan II (b), 1.2mL x 100ug/mL, nonane

Resolution Standard 2 Analytes, each 3,0 Wt.% in isooctane; units: 1x1mL, 5x1mL 1,3,5-Trimethylbenzene 1-Methyl-2-ethylbenzene

1,2,3,4,5,6,8-Heptachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7