EPA Method 528 Fortification Solution Back Catalog number: 93245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11773.12-100-IO 2,2',3,4,4',5,5',6-Octachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 91397 EPA Method 8141 / 1618 Pesticide Mix A Price on request 59409 Total Phosphate Price on request