D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml

n-Octacosane, ?13C: -29.85, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 630-02-4

EPA Method 300.0 Anions Method B

Thionazin, 10.0 µg/ml, Ethyl acetate, 10ml