EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673847 Chlormequat chloride, 100 µg/ml, Water, 1ml Price on request 70884 Methyl dibromoacetate Price on request 43018 Phenanthrene-d10 Price on request