EPA Method 200.8 Internal Standard Back Catalog number: 56332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3318.6-100-AN epsilon-HCH (BHC) Price on request 93877 Agent Breakdown Sub-Mix #1 Price on request 13450-0101D-100CY Tonalide-d3, 100µg/ml in Cyclohexane, 5ml Price on request