Quizalofop-P-ethyl, 100 µg/ml, Acetonitrile, 5ml

Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

2,3,3',4,4',5-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Resolution Test Mixture for ASTM D 5739 150 µg/mL of each in pesticide grade cyclohexane, 10mL Pristane 99 % Phytane 99 % n-Heptadecane 99 % n-Octane 99 %