Diethylene glycol dimethyl ether, 1ml

1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml

EPA Method 8040A Analytes Mix “A”

(-)-Captopril-d3 (L-proline-2,5,5-d3),ca. 100 µg/mL,MeOH,1mL,