EPA方法8080/8081工作水平(4)校准标准, Daily Working Level(4) Calibration Standard,Varied conc. in Isooctane

EPA方法8080/8081A/8081B-2种混标, 4,4'-DDT &Endrin ,0.2 mg/mL in Hexane

EPA8082方法,19种多氯联苯混标。, PCB Congeners Mix,100 μg/mL in Hexane

EPA方法8085混标, Herbicides as Methyl Derivatives Mix #1,Varied conc. in MtBE

EPA方法8085-15种混标, Nitrogen Containing Pesticides Mix #3,Varied conc. in MtBE

3,4-Dinitrotoluene,100 μg/mL in Acetonitrile

3,4-二硝基甲苯

EPA方法8095A10种混标, Explosive Stock Solution A,100 μg/mL in Acetonitrile:Methanol (50:50)

EPA方法8111-4种混标, Haloethers Mix: RCRA analytes,1000 μg/mL in Isooctane

Tokuthion,1000 μg/mL in Hexane

丙虫硫磷/丙硫磷

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