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

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

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

2,5-Dinitrotoluene,100 μg/mL in Acetonitrile

2,5-二硝基甲苯

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

Merphos,1000 μg/mL in Hexane

脱叶亚磷/三硫代亚磷酸三丁酯

EPA方法8141套标, Additions to Method 8140

Dichlorprop methyl ester,0.2 mg/mL in Hexane

二氯丙酸甲酯

标准品, Phenoxy-Herbicide Mix-Level 1,Varied conc. in Isooctane

标准品, Phenoxy-Herbicide Mix-Level 3,Varied conc. in Isooctane