EPA Method 8240A Mix #2

2,2',3,3',4,5,6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

N-Nitrosopiperidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 100-75-4

Methyl 9-cis-12-hydroxyoctadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 141-24-2