EPA Method 525 Pesticide Standard Back Catalog number: 92933 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPN-72 1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request C14629400 Leucocrystal Violet, 100mg Price on request 0325.14-10UG 9-Hydroxyphenanthrene,neat,neat,10ug, Price on request