o,p'-DDD, 200µg/ml in Isooctane, 1ml

1,2-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 53666-94-7

Sulfachloropyridazine, 250mg

2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,