EPA Method 624 Internal / Surrogate Standard Back Catalog number: 92559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675971 Cyantraniliprole, 25mg Price on request 63010 2,6-Dichlorobiphenyl (10) Price on request 8769.0-1G Polyphosphoric acids ammonium salt, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 68333-79-9 Price on request