EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52304A LFS Solution 2 Price on request 673642 Monocrotophos, 100 µg/ml, Ethyl acetate, 5ml Price on request 672951 Colistin sulfate, 100mg Price on request