EPA Method 528 Fortification Solution Back Catalog number: 93245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79354 Sulfadimethoxine Price on request 675437 Spirodiclofen, 100mg Price on request 4M162 2,3,3',4',5,5'-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request