Bifenthrin, 100 µg/ml, Isooctane, 1ml

1,2,3,7,8-Pentachlorodibenzo-p-dioxin

N-(4-chloro[13C6]phenyl)-N'-(3,4-dichloro[13C6]phenyl)[13C]urea , 1.2ml x 50ug/ml, methanol

Multi-Element Sol.1, 10µg/mL in 5%HNO3 /H2O, 100ml