2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,

Fenthion-oxon, 100µg/mL in Cyclohexane, 1ml

n-Nonatriacontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7194-86-7

2,3,4,5,6-Pentabromoethylbenzene, 100 µg/ml, Meth