EPA Method 502.2/524.2 - Liquids

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,MeOH,1mL,

Chlorothalonil Metabolite R417888-13C2,15N2 sodium salt, 10µg/ml in MeOH, 1ml

g-Hexabromocyclododecane, 50µg/mL in Toluene,1,2ml