EPA Method 507/1656 Nitrogen Phosphorus

Tetrasul, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2227-13-6

Di-n-hexyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-75-3

Permethrin Mix