Perfluorooctane sulfonamide, 100mg

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

Crude Oil Standard n-Hydrocarbons C5-C9

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