EPA Method 8240A - Ketones Back Catalog number: 82415 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11761.12-10-IO 2,2',3,4,4',5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request PFPEA Perfluoro-n-pentanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 70025 Benzene, 1000µg/ml in MeOH, 1ml Price on request