EPA Method 525 - Perchlorinates Back Catalog number: 30029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-0940-100AN5 Chlortoluron, 100µg/ml in Acetonitrile, 5ml Price on request 679556 D5-Nalidixic acid, 10mg Price on request 14500-0440-10CY10 Dibenz(a,h)anthracene, 10μg/ml in Cyclohexane, 10ml Price on request