EPA Method 507/1656 Nitrogen Phosphorus

4H-Cyclopenta[def]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203-64-5

Ofloxacin D3 hydrochloride, certified, 10mg

1,1,2-Trichloroethane, 100 µg/ml, Methanol, 5ml