Matrix Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-8290MSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2912.20-100-MX Sodium p-n-tetradecylbenzenesulfonate, 100µg/mL, Solvent-methanol/water (50/50), Unit 1mL, # of units-1, Cas.no. 1797-33-7 Price on request 83531 MCPB Price on request 52331 EPA Method 6020/6020A - Mix B Price on request