EPA Method 8032 Internal Standard Back Catalog number: 80303 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0407.28-150-CY n-Octacosane, ?13C: -29.85, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 630-02-4 Price on request 10782.24-K-ME Tri-n-octyl phosphate (see also 9489.24),1000 µg/mL,MeOH,1mL, Price on request C16986102 Sudan 2, certified, 0.25g Price on request