EPA Method 551.1 Performance Check Soln Back Catalog number: 30104 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4194-ASS-10RFX5 Oxygenate Quality Control Standard (without Internal Standard) 13 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt.% Methanol 1 Di-isopropyl ether 3 Ethanol 1 iso-Butanol Price on request 95542 Ethyl acetate, 10mg/mL in water, 1ml Price on request S-4502-1-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request