Fenitrothion, 100 µg/ml, Acetonitrile, 5ml

2,4-Dimethylphenol-d3

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate-d5,50 µg/mL,MeOH,1mL,

Nitrite (NO2-) as N, 100µg/ml in Water, 100ml