EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675033 Sodium Dodecylbenzenesulfonate (soft type) (LAS 10 Price on request M331190 N2-Methyl Trimethoprim (Impurity), 10mg Price on request 1356.6-100-DC Hexachlorobenzene, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 118-74-1 Price on request