EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2487.8-K-ME Mono-n-octyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3091-25-6 Price on request 684352 Saccharin, 100 µg/ml, Acetonitrile, 1ml Price on request 10343.20-100-ME Amitriptyline-d3 hydrochloride (N-methyl-d3) Price on request