亚硝胺标准溶液(3组分), Nitrosamines ,2.0 mg/mL in MeOH

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(4)校准标准, Daily Working Level(4) Calibration 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19种混合标准品, PCB Congeners Mixture,100 μg/mL in Hexane

2,4,6-Tribromophenol ,20 μg/mL in MtBE

2.4.6-三溴苯酚

EPA方法8085-2种混标, Method 8085-Alternate Surrogates,20 μg/mL in MtBE

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

2,5-二硝基甲苯

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

2-Chloronaphthalene,2.0 mg/mL in Hexane

2-氯萘