EPA Method 8061A Matrix Spike Solution Back Catalog number: 80605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679878 4,4'-Oxydianiline, 100 µg/ml, Acetonitrile, 1ml Price on request 677929 Thionazin, 100 µg/ml, Ethyl acetate, 1ml Price on request 52255 Group II Elements Starter Kit Price on request