Paraoxon-methyl, 100 µg/ml, Acetonitrile, 5ml

1,2,4,5-Tetrachlorobenzene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 95-94-3

Semi-Volatile Extended List

EPA Method 8270C - B/N Matrix Spiking Solution