EPA Method 624Mix #1 - Purgeables Back Catalog number: 40021 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 72341 1-(2,6-Dichlorophenyl)-3-methylurea Price on request 0456.17-200-IO 1,2,4-Trimethylphenanthrene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23189-64-2 Price on request P48-W-CS4 CS4 Calibration Sol Dioxin/PCB, in Nonane, 500µl Price on request