EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52126 Brominated Inorganic Disinfection Price on request 673677 Procymidone, 10.0 µg/ml, Ethyl acetate, 10ml Price on request MCCZ-1368 1,3,6,8-Tetrachloro-9H-[13C12]carbazole, 1.2ml x 50ug/ml, nonane Price on request