Trifluoro(13C2)acetic acid, 50µg/ml in MeOH, 1,2ml

Metazachlor, 10 µg/ml, Cyclohexane, 10ml

EPA Method 551Mix “A”

1H,1H,2H,2H-Perfluorodecyl acrylate, 1.2ml x 50ug/ml, isooctane