Chloroform-13C,2000 µg/mL,MeOH,1mL,

N-Nitrosodi-n-propylamine, 1000µg/mL in MeChl, 1ml

2,2,3,5,5,6-Hexachlorobiphenyl,BZ-151

2,2',3,4,5'-Pentachlorobiphenyl