BOD Calibraton Standard Back Catalog number: 50242 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 41016 Dibenzo(a,h)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request 30150 EPA Method 515.3 - Underivatized acids Price on request 79587 Ethion Price on request