Metronidazole,1000 µg/mL,MeOH,1mL,

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

WS PCB’s as Decachlorobiphenyl

Deuterated PAH Std., 2000µg/ml in MeChl, 1ml