EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79036 Naphthalene, 1000µg/ml in Acetonitrile, 1ml Price on request N-12147-100MG Heptachlor, 100mg Price on request 688998 DPMI (Cashmeran), 100mg Price on request