Fenitrothion, 100 µg/ml, Toluene, 1ml

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

(±)-Vanillomandelic acid-d3,neat,neat,50mg,

Chlorothalonil-4-hydroxy, 10.0 µg/ml, Acetonitril