Oxytetracycline 13C22,15N2 dried down 2.5 µg/mL, 5 x 1ml

1,2,3,4,6,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Dicyanodiamide (Cyanoguanidine), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 461-58-5

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