Sulfur (S)

2,2',3,3',5,5',6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4,4'-DDD (=TDE), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-54-8

525.5 Utah Standard