Mirex, 100 µg/ml, Ethyl acetate, 5ml

2,2',4,4',6,6'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

EPA Method 551 “Mix B”

Lithium bis(trifluoromethanesulfonyl)imide, 50µg/ml in MeOH, 1,2ml