o,p'-DDT, 100µg/ml in MeOH, 1ml

3,4,5-Trimethylphenol, 100 µg/ml, Acetonitrile,

EPA Method 528 Internal Standard

Perthane, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 72-56-0