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

EPA Method 507 Nitrogen Phosphorus Pesticides

2,2',3,5'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41464-39-5

trans-1,3-Dichloropropene, 250mg