EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4M172 2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request X9154 N-Nitrosomorpholine Price on request 11702.12-100-IO 2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request