EPA Method 502.2/524.2 - Liquids Back Catalog number: 35071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12451.15-10MG Tropacocaine hydrochloride, 10mg Price on request 680228 Cerotic acid, 10mg Price on request 676718 Serotonin hydrochloride, 100mg Price on request