EPA Method 507 Nitrogen Phosphorus Pesticides

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

Chlorpyrifos-methyl, 10.0 µg/ml, Cyclohexane, 10

Fluorescein disodium salt dihydrate, 90%,neat,neat,100g,