EPA Method 507/1656 Nitrogen Phosphorus

Cyclododecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 294-62-2

(1S,2R,3R,4S)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol, , Solvent-, Unit , # of units-, Cas.no. 79356-06-2 (Unspecified sterochemistry)

Perfluoroethanesulfonic acid, 10mg