EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S689097 Sulfanilic Acid-d4, 10mg Price on request 676390 Kresoxim-methyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2153.11-K-IO 1-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1559-81-5 Price on request