EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12142.18-100-ME Flurenol-butyl,100 µg/mL,MeOH,1mL, Price on request S-4502-200-25IO 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 73188 Pentachloroaniline Price on request