Norfloxacin,neat,neat,100mg,

Indan, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 496-11-7

2,2',5,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25MG, # of units-1, Cas.no. 41464-41-9

EPA Method 8260 - Purgeable Internal Standard