EPA Method 515.2 Underivatized Back Catalog number: 30073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2572.26-200-T Naphtho[8,1,2-bcd]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 88-89-6 Price on request 673339 Linuron, 100 µg/ml, Acetonitrile, 5ml Price on request 9CL-PF3ONS Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate, 1.2ml x 50ug/ml, methanol Price on request