Tetrachlorvinphos, 100 µg/ml, Acetonitrile, 5ml

2,3,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Clarithromycin, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 81103-11-9

alpha alpha alpha-Trifluorotoluene, Calibration (Surrogate) Standard, 10000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 98-08-8