alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m

EPA Method 8060 QC Check Solution

N,O-Bis(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 25g, # of units-1, Cas.no. 25561-30-2

1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane