EPA Method 525 - Semi-Volatile Mixture Back Catalog number: 30128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677496 2,4-DB-methyl ester, 250mg Price on request 8713.12-100-IO 2,2',3,3',4',5,5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-73-7 Price on request 677863 Cyprosulfamide, 10.0 µg/ml, Acetonitrile, 10ml Price on request