EPA Method 525 - Perchlorinates & Phthalates Back Catalog number: 30129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684793 Carboxin-sulfoxide, 100 µg/ml, Acetonitrile, 1ml Price on request 73328 Pentylbenzene Price on request 70862 Thiram, 1000µg/ml in Acetonitrile, 1ml Price on request