EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682220 2,4,5-Trichloroacetophenone, 10mg Price on request 680732 Metribuzin-desamino, 5mg Price on request 678650 n-Pentane, 5ml Price on request