EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673674 Pirimiphos-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 11290.18-100-AN Triphenyl-d15-tin hydroxide,100 µg/mL,acetonitrile,1mL, Price on request 72488 Phosphoric acid Price on request