Mevinphos, 100 µg/ml, Acetonitrile, 1ml

Esfenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml

EPA Method 1633 PFAS Mix, 10µg/mL in MeOH:Water, 1ml

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane