EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0453.3-150-CY GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. Price on request 3049.28-K-IO Di-iso-decyl phthalate in mixture with C9-11-branched alkyl o-phthalate, C10 rich, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 68515-49-1 Price on request 96567 Progesterone Price on request