O,O-Diethyldithiophosphate-13C4, sodium salt

1,2,5,6,9,10-Hexabromocyclododecane, 100 µg/ml, C

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml