EPA Method 624 Internal / Surrogate Standard

Mass-Labelled OC Pesticide Mixture, 2µg/ml in Nonane, 1,2ml

2,2',5,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane

n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-99-2