EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673809 D3-Dicamba, 10mg Price on request 4PM108 2,3,3',4,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 685213 4-Methylumbelliferone, 100mg Price on request