EPA方法8080/8081有机氯混标, Calibration Check Set

EPA方法8080/8081工作3级标准, Working Level 3 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

4,4'-滴滴涕&异狄氏剂, 4,4'-DDT &Endrin ,0.2 mg/mL in Hexane

多氯联苯同系物19种混标, PCB Congeners Mix,100 μg/mL in Hexane

EPA方法8085混标, Nitrogen-Containing Pesticides Mix #1,Varied conc. in MtBE

EPA方法8090套标, Analyte Calibration Set

EPA方法8095A7种混标, Explosive Stock Solution B,Varied conc. in Acetonitrile:Methanol (50:50)

多环芳烃8种混标, PAH Additions to Method 610,1000 μg/mL in CH2Cl2

1,4-Dichlorobenzene ,2.0 mg/mL in Hexane

1,4-二氯苯