2-氰基苯甲酸乙酯, Chlorinated Pesticide Mix #2,Varied conc. in Hexane

EPA方法8085-4种混标, Method 8085-Surrogates,Varied conc. in MtBE

2,5-Dinitrotoluene,100 μg/mL in Acetonitrile

2,5-二硝基甲苯

2-氟联苯&1-氟萘, 2-Fluorobiphenyl &1-Fluoronaphthalene,2.0 mg/mL in Dichloromethane

多环芳烃2种混标, 2-Fluorobiphenyl &1-Fluoronaphthalene,2.0 mg/mL in Dichloromethane

Chlorpyrifos,1000 μg/mL in Hexane

毒死蜱

EPA方法8141A套标, Method 8141-Additions to Method 8140

EPA方法8141B-9种混标, Standard for Halogen Specific Detector,0.2 mg/mL in Hexane

2,4-DB methyl ester,0.2 mg/mL in Hexane

4-(2,4-二氯苯氧基)丁酸甲酯

2,4-Dichlorophenylacetic acid (DCAA) ,2.0 μg/mL in MeOH

标准品