EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended MBP-126 3,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 72199 D-(+)-Malic acid Price on request PN-75S Octachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request