o-Xylene, 100µg/mL in MeOH, 1ml

2,2',6,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 15968-05-5

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

Dialy Quality Control Standard (with Internal Standard) 3 Analytes, each Vol.% as listed in isooctane; units: 1x10 mL, 5x10mL. Name Vol.% Benzene 0.64 Toluene 4.8 Isooctane 90.56Methylethylketone (Int.Std.) 4.0