Roxithromycin-d7, 1mg

11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,

ISO 18857-1 4-(1,1,3,3-Tetramethylbutyl)phenol solution, Calibration standard 1 ng/µL, in toluene, 5mL =1446.14-1-5T

PCB Mix 10 ppb