EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675174 3,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml Price on request 673137 2-Chloro-6-methylphenol, 100mg Price on request 51053 ASTM D1387-90 Column Resolution Test Standard Price on request