草多索, Endothall,50 μg/mL in Water

alpha-硫丹, Endosulfan I ,10 μg/mL in MtBE

改进实验室性能检测溶液, Modified Laboratory Performance Check Solution,Varied conc. in MtBE

甲基衍生物, Method 552.1-Methyl Derivatives,Varied conc. in MeOH

挥发性有机酸套标, Method 552.1-Underivatized Analytes Set

二氯丙酸甲酯, Dalapon methyl ester,40 μg/mL in MtBE

茅草枯, Dalapon acid,40 μg/mL in MtBE

2-溴丁酸, 2-Bromobutanoic acid,10 mg/mL in MtBE

552方法卤乙酸&卤苯7种混合标准品, Method 552-Haloacetic Acids,1000 μg/mL in MtBE

挥发性有机酸混标, Method 552-Haloacetic Acids,1000 μg/mL in MtBE