EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679794 Danofloxacin mesylate, 100 µg/ml, Methanol, 1ml Price on request 11918.4-10MG Hexachloro-1,3-butadiene-13C4,neat,neat,10mg, Price on request 2197.11-100-ME 1-Methyl-6-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 105752-67-8 Price on request