EPA Method 548.1 Internal Standard

RS210-19 HEPTANE ( 99.75%)

Benzo[cde]rubicene, Please inquire, Solvent-, Unit , # of units-, Cas.no.

alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6