EPA Method 528 Fortification Solution Back Catalog number: 93245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79601 Biphenyl Price on request 70291 1,1,1-Trichloroethane Price on request 8375.38-K-ME Dimethyldistearylammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 107-64-2 Price on request