EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Back Catalog number: 96884 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended MPN-23 1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 57039 Yttrium (Y) Price on request 72712 2,4-Dichloroaniline Price on request