EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPN-59 1,2,4,5,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 673745 Bromacil, 100 µg/ml, Ethyl acetate, 5ml Price on request 12132.9-100-AN Carbendazim-d3, 100µg/mL in acetonirile, 1mL Price on request