EPA Method 8260 C-19 Standard Back Catalog number: 93256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-MXE Mass-Labelled PCB Mixture, 5.00µg/mL in Nonane/7% toluene, 1,2ml Price on request 96634 “Over the Counter” Analgesics Price on request 51136 Retention Time Verification Standard Price on request