D5-Chloridazon, 10mg

1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml

4-tert-Octylphenol, certified, 0.25g

ζ-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene