EPA Method 551 - Disinfection By-Products Back Catalog number: 32852 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10775.24-50-T Bis(2-ethylhexyl)-3,4,6-tribromo phthalate,50 µg/mL ,toluene,1mL, Price on request 677350 N-2,4-Dimethylphenyl-N'-methylformamidine HCl, 10. Price on request 94862 1664 Oil & Grease Calibration Curve Kit Price on request