2,2',4,5'-Tetrachlorobiphenyl (49)

4-Nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 57835-92-4

Dieldrin, 100 µg/ml, Ethyl acetate, 5ml

Method 8430 Calibration Mix