EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11691.12-100-IO 2,3,4',4'-Tetachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 673116 DL-alpha-Tocopherol, 500mg Price on request 59374 Anions Mix #2 Price on request