Quizalofop-p-tefuryl, 10 µg/ml, Acetonitrile, 10

8327 Surrogate Spiking Mix

N-Nitroso-N-methyl-4-aminobutyric acid, 25mg

2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,