EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681307 Afidopyropen, 5mg Price on request 1239.7-1ML 2,3-Dimethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 565-59-3 Price on request 13700-0341D-100MT Dichloroacetic Acid-d2, 100µg/ml in MTBE, 5ml Price on request