Pesticide Matrix Spike Solution

17a-Ethinylestradiol, 100 µg/ml, Methanol, 1ml

1H,1H,2H,2H-Perfluoro-n-dodecyl methacrylate-d5,neat,neat,10mg,

Cyphenothrin, 10.0 µg/ml, Cyclohexane, 10ml