Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile,

1H,1H-Perfluoro-3,7-dimethyloctan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 232587-50-7

1-Ethyl-1-methylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 16747-50-5

EPA Method 531.1 Individual Analytes