EPA Method 500 Internal Standard #6

2,4-Dichlorotoluene, 250mg

1,4,6-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-42-2

Stavudine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 3056-17-5