EPA Method 8140/8141 Analytes

2,4,5-T-methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1928-37-6

PAH Mixture

2,2',5,5'-Tetrabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane