EPA Method 8240A Internal Standard

Perfluorohexane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 423-50-7

m-Quarterphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1166-18-3

Ethanol in serum control EtOH SE (4.0g/L), 10x3ml