EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70312 Indole Price on request 680584 13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane, Price on request 32751 2,3-Dimethylpentane Price on request