Fenpropathrin, 100 µg/ml, Ethyl acetate, 5ml

2-Ethylhexyl-d17 2,3,4,5-tetrabromo[13C6]benzoate, 1.2ml x 50ug/ml, toluene

Kepone, 1000µg/ml in Acetone, 1ml

EPA Method 300.0 Anions QC Standard