EPA Method 8260B - Purgeable Internal Std

Endosulfan-sulfate 10 µg/mL in Cyclohexane, 10ml

n-Pentyl acetate,1000 µg/mL,MeOH,1mL,

2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5