EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-154 2,2',4,4',5,6'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 59831 Metals Mix #1 Price on request 54009 Orthophosphate (as PO43-) Price on request