EPA Method 502/524 Fortification Solution Back Catalog number: 33005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3H138 2,2',3',4,4',5-Hexachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane Price on request X749692 2,4-Xylidine-d6, 10mg Price on request 3500.8-100-CY Ronnel Price on request