delta-Hexabromocyclododecane,50 µg/mL,toluene,1mL,

Alachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml

2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

pH 7.0 Standard @ 25°C