gamma-BHC-13C6,100 µg/mL,n-nonane,1mL,

EPA Method 531.1 Individual Analytes

Pentachlorophenol, 100 µg/ml, Acetonitrile, 1ml

2,3,7-Trichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene