EPA Method 8021B Internal Standard

Stavudine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3056-17-5

2,3,4-Trimethyl-2-pentene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 565-77-5

Fluoride (F-)