Lake Michigan fish tissue -Org. contaminants, 5x8g Back Catalog number: NIST-1947 Availability: In the manufacturer's stock Price on request - + Recommended 35004 EPA Method 502.2/524.2 Volatile Standard Price on request 673439 Sethoxydim, 100 µg/ml, Acetonitrile, 5ml Price on request 90828 Perylene Price on request