EPA Method 8040A Analytes Mix “A” Back Catalog number: 80411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96570 Dexamethasone Price on request 92243 Sodium N-methyl-N-coconut acid taurate Price on request 10212.8-50MG Methyl 4-hydroxybenzoate-2,3,5,6-d4,neat,neat,50mg, Price on request