EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1979.19-K-IO 4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml Price on request 19207 Semi-Volatiles Spiking Standard Price on request 3754.20-K-AC 4-tert-Octylphenol triethoxylate,1000 µg/mL,acetone,1mL, Price on request