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

Diphenanthro[9,10-b;9',10'-d]thiophene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 202-72-2

Pesticide-Mix 40, 10 µg/ml, Acetonitrile, 10ml

Alkalinity as Calcium Carbonate