Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11144.24-K-IO Tris(2,4-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL, Price on request 71029 Tritolyl phosphate (Tech) Price on request GA09000812AC EPA Method 608.3 DCB/TCMX Surrogate Mixture, 200µg/mL in Acetone, 1ml Price on request