EPA Method 611 - Analytes Back Catalog number: 19107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0451.3-150-CY GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. Price on request 59414 Thiosulfate (S2O32-) Price on request 3806.10-K-IO Monoethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2306-33-4 Price on request