EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679954 3,4-Dichloronitrobenzene, 250mg Price on request 0928.21-K-IO 2-Methyleicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-84-5 Price on request 673556 Dimethoate, 100 µg/ml, Ethyl acetate, 5ml Price on request