EPA Method 633.1 Analytes Back Catalog number: 40049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678005 Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml Price on request 677729 4-Methylphenol, 500mg Price on request L20018900IO PCB No. 189, 10µg/ml in Isooctane, 10ml Price on request