BHC (epsilon isomer), 100ug/ml in Toluene, 1ml

D7-Propranolol hydrochloride, 100 µg/ml, Water,

Atrazine-desethyl, 10.0 µg/ml, Acetonitrile, 10m

n-Heptyltin trichloride, 1000 µg/ml, Methanol, 5