7,9-Di-tert-butyl-1-oxaspiro[4,5]deca-6,9-die ne-2,8-dione, 25mg

Cypermethrin, 100 µg/ml, Acetonitrile, 5ml

EPA Method 300.0 Anions QC Standard

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 Pristane/n-Heptadecane = 1:2 (1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane)