(Use Part# 82423) EPA Method 8240A Mix #3

Heptachlor endo-epoxide, 100 µg/ml, Methanol, 1m

2,4-Dimethylaniline

n-Tetracontane, ?13C: -27.05, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 4181-95-7