EPA Method 548.1 Analyte

5-Nitrobenzo[c]phenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64356-30-5

17ß(H),21 alpha(H)-(22RS)-Homohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-49-7

1,2,8,9-Tetrachlorononane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-20-3