4,4'-DDD, 100 µg/ml, Methanol, 1ml

Resmethrin

1,2-Bis(2,4,6-tribromo[13C6]phenoxy)ethane, 1.2ml x 50ug/ml, toluene

Perfluoro-3,6-dioxaheptanoic acid (NFDHA), 50µg/ml in MeOH, 1,2ml