Methoxychlor, 10.0 µg/ml, Isooctane, 10ml

Sodium bis-[2-(N-ethylperfluorooctane-1-sulfonamido)ethyl] phosphate, 1.2ml x 50ug/ml, methanol

2-Methylpentane & 1,2,4-Trimethylbenzene

EPA Method 502/524 High Conc VOC Mix #8, 2000µg/ml in MeOH, 1ml