EPA Method 549.1 Analytes Back Catalog number: 31079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679891 4,4'-Methylene-bis(2-chloroaniline), 100 µg/ml, A Price on request 10376.21-10MG DL-Methadone-d9 hydrochloride Price on request S-4557-250-TX10 Substituted Benzene and Naphthalene Mixture n-Propylbenzene 1298.9 Isopropylbenzene 2155.9 1,2,6-Trimethylnaphthalene 0703.13 1,3,7-Trimethylnaphthalene 0170.13 1,4,6-Trimethylnaphthalene 0705.13 1,2,3-Trimethylnaphthalene 0700.13 2,4,5-Trimethylnap Price on request