EPA Method 624 Surrogate Standard Back Catalog number: 19112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9467.14-25MG Diclofenac,neat,neat,25mg Price on request 10900-0005-100ME2 1-Brombutan, 100µg/ml in MeOH, 2ml Price on request 0048.16-10MG 4-Nitropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57835-92-4 Price on request