EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10635.12-50-T 1,2,3,7,8,9-Hexachlorodibenzofuran Price on request T412150 Thymine, 25g Price on request 57215 Phosphorus (P) Price on request