EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D436449 Diclofenac-13C6, 1mg Price on request 52171 ILM 05.3 ICP-MS CRI Price on request 0815.15-K-IO 9-Methylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 883-20-5 Price on request