EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70914 Hydroquinone Price on request 12348.10-100-ME Monoethyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml Price on request 95241 Primary Freon Standard Price on request