EPA Method 8250/8250A Mix #2 - Acids

1,2,3,4-Tetrahydro-2-naphthoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 53440-12-3

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

4-n-Propylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10289-45-9