EPA Method 625 Base/Neutrals Mix #4 Back Catalog number: 19117 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12120.14-10MG Lidocaine,neat,neat,10mg, Price on request 96431 Sodium L-lactate Price on request 0235.16-200-T Pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 129-00-0 Price on request