EPA Method 8240A - Ketones

4-n-Nonylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-40-5

17 alpha(H),21ß(H)-(22RS)-Trishomohopane , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54340-13-5

n-Hexatriacontane-d74, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-34-5