EPA方法8080/8081工作5级标准, Working Level 5 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

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

EPA方法8085-18混标, Nitrogen Containing Pesticides Mix #2,Varied conc. in MtBE

多环芳香烃混合标准品, PAH Additions to Method 610,Varied conc. in AcCN

2-Chloronaphthalene,2.0 mg/mL in Hexane

2-氯萘

EPA方法8140套标, Organo Phosphorous Pesticides

2,4,5-涕丙酸甲酯, 2,4,5-TP methyl ester,0.2 mg/mL in Hexane

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

标准品

标准品, Phenoxy-Herbicide High Level Daily QC,Varied conc. in Isooctane