Ammonia as (NH4+)

p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-51-0

2,8-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)