EPA Method 551 “Mix B” Back Catalog number: 30395 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97877 Diethyl phthalate Price on request ACQ-AQ11-115 Ethanol standard in water,1.1g/L,water, 1.5mL Price on request 73315 Methyl tetracosanoate (C24:0) Price on request