EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9467.14-25MG Diclofenac,neat,neat,25mg Price on request 59649 Anions Mix - Chloride + Sulfate as SO4 Price on request 684544 2-Phenylphenolate sodium tetrahydrate (technical), Price on request