EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98507 BC EPH-TEH Price on request PCB-LCS-A1 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 673911 Fluometuron, 250mg Price on request