EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91336 Anthraquinone Price on request ACQ-SE10-115 Ethanol standard in serum,1.0g/L,serum, 1.5mL Price on request DD-1378-S 1,3,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request