EPA方法8080/8081工作4级标准, Working Level 4 Standard,Varied conc. in Isooctane

EPA方法8080/8081工作水平(5)校准标准, Daily Working Level(5) Calibration Standard,Varied conc. in Isooctane

Decachlorobiphenyl,5.0 μg/mL in Hexane

十氯联苯

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