EPA Method 549.1 Analytes Back Catalog number: 32079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677052 Tolfenamic acid, 100mg Price on request P48-M-ES Marker PCB Extraction Standard, 1.2ml, nonane Price on request 70317 2,3,5-Trichlorophenol Price on request