Pesticide Standard

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Glyoxylic acid, 50% solution in water, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 298-12-4

N-Nitroso-N-methylaniline