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(3)校准标准, Daily Working Level(3) Calibration Standard,Varied conc. in Isooctane

多氯联苯混标, PCB Congeners Mixture,100 μg/mL in Hexane

EPA方法8085-15种混标, Compound Independent Calibration Mixture,Varied conc. in MtBE

EPA方法8085-12种混标, Organo Phosphorous Pesticide Mix #2,Varied conc. in MtBE

EPA方法8090-4种混标, Isophorone &Nitroaromatics Mix,2.0 mg/mL in MeOH

多环芳烃24种混标, PAH Additions to Method 610,Varied conc. in AcCN

EPA方法8120-10种混标, Chlorinated Hydrocarbons,2.0 mg/mL in Hexane

EPA方法8121-22种混标, Chlorinated Hydrocarbons by GC,Varied conc. in Hexane

EPA方法8140套标, Organo Phosphorous Pesticides