Method 507 Analytes

2,4,5,6-Tetrachloro-m-xylene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Cimetidine (free base), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 51481-61-9

EPA Method 528 Internal Standard