EPA Method 551.1 Internal Standard

Benzo(j)fluoranthene

Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7

Naphthalene-1,2,3,4,9,10-13C6,100 µg/mL,n-nonane,1mL,