EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2225.12-100-IO 3'-Fluoro-2,4,6-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-91-5 Price on request 71786 2,3,4-Trifluorotoluene Price on request 8223.12-100 Triazophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 24017-47-8 Price on request