EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673940 Chlorantraniliprole, 10.0 µg/ml, Acetonitrile, 1 Price on request 1277.36-100-AN 2,3,7,8,12,13,17,18-Octaethylporphine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2683-82-1 Price on request 3518.14-100-AN Triadimenol Price on request