Permethrin (mixed isomers)

17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

gamma-BHC-13C6,100 µg/mL,n-nonane,1mL,

Metoxuron-d6 (N,N-dimethyl-d6),100 µg/mL,acetonitrile,1mL,