EPA Method 525.2 Standard

Ranitidine hydrochloride,1000 µg base/mL,MeOH,1mL,

5,6,6a,11a-Tetrahydro-11H-benzo[a]carbazole, 200µg/mL, Solvent- toluene, Unit 1mL, # of units-1, Cas.no. 112901-06-1

Cloxacillin-13C4 Sodium Salt, 1mg