N-Nitrosopiperidine, 100µg/ml in MeOH, 5ml

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

Ammonia as (NH4+)

2,3-Dibromo-7,8-dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene