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

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

23组分有机氯混标, Chlorinated Pesticide Mix #1,2.5 μg/mL in Hexane

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

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

多环芳烃2种混标, 2-Fluorobiphenyl &1-Fluoronaphthalene,2.0 mg/mL in Dichloromethane

Diazinon ,1000 μg/mL in Hexane

二嗪农/二嗪磷/地亚农

EPA方法8141-2种混标, Hexamethylphosphoramide &Tri-o-cresylphosphate in Hexane,0.2 mg/mL in Hexane

2,4-D methyl ester,0.2 mg/mL in Hexane

2,4-二氯苯氧乙酸甲酯

标准品, Phenoxy-Herbicide Mix-Level 4,Varied conc. in Isooctane

标准品, Herbicide Acids Matrix Spike,Varied conc. in MeOH

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

EPA方法8150A-10种混标(HJ 1022-2019), Underivatized Chlorinated Herbicides Mix,0.2 mg/mL in MeOH

Dalapon acid,0.2 mg/mL in MeOH

茅草枯