Trimethoprim, 100μg/mL in Acetonitrile, 1ml

1-Fluoropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1691-65-2

2,2',3,5'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41464-39-5

PCB No. 180, 100µg/ml in Isooctane, 1ml