EPA Method 8121 Internal Standard Back Catalog number: 81203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52098 Trace Metals in Fish Price on request 3560.15-10MG 2-Methyl-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-54-8 Price on request 677815 2-Furaldehyde (DNPH derivative), 100mg Price on request