Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

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

2,2',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-75-2

PCB No. 185, 100ug/ml in Isooctane, 1ml