Method 8081LCS/MS/MSD Spike Solution Back Catalog number: 95615 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290HRCC1,2,4 Individual Calibration Solutions , 500ul, nonane Price on request 82449 EPA Method 1666 Standard #1 Price on request 73211 2,5-Dimethoxy-2,5-dihydrofuran (cis, trans mixture) Price on request