EPA Method 8081A Pesticide Standard B Back Catalog number: 92790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9220 n-Propylbenzene Price on request 71765 Methyl formate Price on request 3299.23-K-IO Methyl 13-cis-docosenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-34-9 Price on request