(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane

2,3,3',4,5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

1,2,3,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2-Methoxynaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 93-04-9